DYNAMICALLY IMPACTING METHOD FOR SIMULTANEOUSLY PEENING AND FILM-FORMING ON SUBSTRATE AS BOMBARDED BY METALLIC GLASS PARTICLES

Wear-resistant and corrosion-resistant titanium alloy coating and preparation method thereof

The invention relates to a wear-resistant and corrosion-resistant titanium alloy coating and a preparation method thereof. According to the wear-resistant and corrosion-resistant titanium alloy coating, the titanium alloy is coated on the surface of the metal material to form the metal base material/titanium alloy coating, so that the low cost of the metal material and the excellent marine environment corrosion resistance of the titanium alloy can be integrated; the method is one of effective modes for prolonging the service life, improving the safety and the reliability of ocean engineering equipment in the ocean environment and reducing the ocean engineering preparation and long-term service cost. The invention further provides a preparation method of the wear-resistant and corrosion-resistant titanium alloy coating.

Silver nano-particles and method for preparing silver nano-particles by adopting quinone compound regulation and control polyhydric alcohol reduction method

The invention provides silver nano-particles and a method for preparing the silver nano-particles by adopting a quinone compound regulation and control polyhydric alcohol reduction method, and belongs to the technical field of nano-material preparation. The preparation method comprises the following steps: mixing a quinone compound, poly (N-vinyl pyrrolidone), a silver source, an additive and a polyol compound to obtain a mixed raw material solution; the dosage ratio of the quinone compound to the poly (N-vinyl pyrrolidone) to the silver source to the additive to the polyol compound is (0.02 to 0.25) mol: (0.01 to 2) mol: (0.01 to 0.1) mol: (0.00001 to 0.0001) mol: 1L; and carrying out reduction reaction on the mixed raw material solution at 110-180 DEG C to obtain right triangular bipyramid silver nanoparticles and/or pentagonal silver nanorods. The right triangular bipyramid silver nanoparticles and/or pentagonal silver nanorods can be prepared by adopting a one-pot method, the operation ...

Mixed silver powder and conductive paste comprising same

A mixed silver powder and a conductive paste comprising the powder are disclosed. The mixed silver powder is obtained by mixing two or more spherical silver powders having different properties from each other. The mixed powder may minimize the disadvantages of the respective types of the two or more powders and maximize the advantages thereof, thereby improving the characteristics of products. In addition, by comprehensively controlling the particle size distribution of surface-treated mixed silver powder and the particle diameter and specific gravity of primary particles, a high-density conductor pattern, a precise line pattern, and the suppression of aggregation over time can be simultaneously achieved.

Preparation method of nitrogen-doped carbon skeleton anchored bismuth nanoflower electrode material and application of nitrogen-doped carbon skeleton anchored bismuth nanoflower electrode material in negative electrode of sodium-ion battery

The invention discloses a preparation method of a nitrogen-doped carbon skeleton anchored bismuth nanoflower electrode material and application of the nitrogen-doped carbon skeleton anchored bismuth nanoflower electrode material in a sodium-ion battery negative electrode. Coal pitch is used as a carbon skeleton precursor material, metal bismuth is used as an active electrode material, recyclable metal salt is used as a template, and the nitrogen-doped carbon skeleton anchored bismuth nanoflower electrode is jointly constructed through solvothermal and a high-temperature carbonization method. In the electrode material, a metal bismuth microstructure is in a nanoflower shape, nitrogen-doped amorphous carbon is in a three-dimensional skeleton structure, and metal bismuth nanoflowers are uniformly dispersed and anchored on a carbon skeleton. The electrode material prepared by the method has the characteristics of excellent performance, controllable structure, efficient operation, low price, ...

Copper group metal-iron-based compound heterogeneous nanoparticles as well as preparation method and application thereof

The invention discloses a copper group metal-iron-based compound heterogeneous nano-particle as well as a preparation method and application of the copper group metal-iron-based compound heterogeneous nano-particle. The copper group metal-iron-based compound heterogeneous nano-particle has a core-shell structure, the core is a copper group metal nano-particle, and the shell comprises at least one of elemental iron, iron oxide and iron carbide. The copper group metal-iron-based compound heterogeneous nanoparticles have the advantages of being uniform in size, controllable in morphology, excellent in photothermal conversion performance, excellent in catalytic oxidation performance, large in magnetism and the like, the preparation process is simple, the copper group metal-iron-based compound heterogeneous nanoparticles are suitable for large-scale industrial production, and the copper group metal-iron-based compound heterogeneous nanoparticles have wide application prospects in the fields ...

Ordered lattice super-smooth pure gold conductive microsphere and preparation method thereof

The invention belongs to the technical field of electronic packaging materials, and particularly relates to a preparation method of ordered lattice super-smooth pure gold conductive microspheres. Different from a traditional seed growth method or a method for chemically plating a gold film on the surface of a polymer microsphere, the method is based on a template confinement assembly method of a water-n-butyl alcohol mechanism, and nanoscale gold particles which are extremely easy to obtain are assembled into a micron-scale assembly; and secondly, the gold nanoparticle assembly has strong light absorption on laser with the wavelength of 532 nm, and the energy of the laser can melt the gold nanoparticle assembly into the hypercircular gold ball within a very short time (less than 1 second). The gold balls obtained by the preparation method are orderly arranged in the honeycomb microporous array membrane, the quality is good, the size is controllable, the process technical route is simple ...

Method for preparing metal powder, and metal powder

A method for preparing a metal powder includes preparing a mixture by mixing a fluoride of a group 1 element, a fluoride of a group 2 element or a transition metal fluoride, with neodymium oxide, boron, iron, and a reducing agent; and heating the mixture at a temperature of 800° C. to 1100° C.

Gradient metal capillary core and preparation method thereof

The invention relates to a gradient metal capillary core and a preparation method thereof in the technical field of radiator part manufacturing, after metal fibers are subjected to primary isostatic pressing forming, a layer of metal powder is added on the outer layer of a blank body for secondary pressing to form a gradient blank body, after the gradient blank body is sintered, the surface of the gradient blank body is subjected to short-time and high-temperature secondary sintering, and the gradient metal capillary core is obtained. And thus, a high-heat-conductivity-coefficient porous layer is formed. The surface of the metal capillary core is subjected to secondary sintering, a porous layer with the thickness of 0.5-1 mm, the heat conductivity coefficient of 5-50 W/m.K and the high heat conductivity coefficient is formed on the surface of the capillary core, meanwhile, a low-heat-conductivity-coefficient structure in the capillary core is not affected, and on the basis that stable operation ...

Preparation method of copper powder with adjustable particle size

The preparation method comprises the following steps: weighing a certain amount of copper sulfate and functionalized ionic liquid, adding the weighed copper sulfate and functionalized ionic liquid into a certain volume of solvent I, and stirring and dissolving to obtain a solution A; weighing a certain amount of a reducing agent, adding the reducing agent into a certain volume of a solvent II, and stirring and dissolving to obtain a solution B; mixing the solution A and the solution B, and stirring and reacting for 2 hours at the temperature of 70-90 DEG C; then carrying out centrifugal separation, washing and vacuum drying to obtain copper powder; the solvent I and the solvent II are the same and can be selected from one or more of distilled water, ethylene glycol, propylene glycol and glycerol. The method is simple in process, environment-friendly and easy to amplify; the carboxyl functionalized ionic liquid is adopted, so that the oxidation resistance of the copper powder is improved ...

Novel powder metallurgy material and preparation method and application thereof

The invention relates to the technical field of powder metallurgy, in particular to the field of IPC B22F1, and further relates to a novel powder metallurgy material and a preparation method and application thereof. The powder metallurgy material comprises the following raw materials in percentage by mass: 0.1-0.5% of non-metal powder, 0.2-0.8% of a lubricant, 0.1-0.5% of a processing aid and the balance of metal powder. According to the novel powder metallurgy material, a semi-finished product is obtained after the novel powder metallurgy material is pressed and formed through a mold and then sintered in a mesh belt furnace at the temperature of 1110 DEG C. Gas spring parts obtained through machining have good tensile strength and riveting performance and are used for replacing zinc-aluminum alloy parts to prepare gas spring fixing rings, the tensile strength can be better than that of the zinc-aluminum alloy, and the riveting performance can be better than that of the zinc-aluminum alloy ...

Method for improving Q value of iron powder for soft magnetism

The invention relates to the technical field of soft magnetic materials, and provides a method for improving the Q value of iron powder for soft magnetism. Three different crushing methods are adopted to obtain iron powder for soft magnetism with different particle sizes and different particle shapes, then the three kinds of iron powder are mixed according to a certain proportion, the size fraction composition of the powder can be effectively controlled, the Q value is increased, and the powder utilization rate in the actual production process is increased; results of the embodiment show that the reduced iron powder treated by three different crushing methods is mixed according to a certain proportion, the quality factor Q value of uncoated bare powder can be increased to 9-10 from 3-4, the Q value can be increased to 18-19 after the bare powder is coated with epoxy resin, and the Q value can be increased to 26-27 after the bare powder is coated with inorganic silicon dioxide.

EVALUATION METHOD OF POWDER FOR LAMINATE MOLDING

Method for preparing copper powder with low apparent density and copper powder

The invention discloses a method for preparing copper powder with low apparent density and the copper powder. The preparation method comprises the following steps: blending copper sulfate, sulfuric acid, urea, glycine and water to form an electrolyte W; placing the electrolyte in an electrolytic bath for electrolysis; and after electrolysis is finished, a product separated out from a cathode is collected, nitrogen-saturated deionized water is used for flushing in a nitrogen glove box for 4-5 times, saponification coating, nitrogen-saturated deionized water flushing, dehydration and vacuum drying are conducted, and the low-apparent-density copper powder is obtained. The copper powder is of a fern-leaf-shaped dendritic crystal structure, crystal arms and edges and corners of primary dendritic crystals and secondary dendritic crystals are well developed, the apparent density value is smaller than 0.4 g/cm < 3 >, and the purity is larger than or equal to 99.99%. The method provided by the invention ...

Method for making carbon-coated copper nanoparticles

The method for making carbon-coated copper nanoparticles is a simple, one-step for coating copper nanoparticles with a carbon shell to prevent rapid oxidation of the carbon nanoparticle core. The method involves heating or autoclaving thin sheets of copper hydroxide nitrate (Cu2(OH)3NO3) under supercritical conditions (a temperature of 300° C. and a pressure of 120 bar) for two hours. The autoclaving may be performed in the presence of an inert gas, such as argon, which may be used to remove any remaining gases, and the pressure may be released in the presence of the inert gas so that the product may be collected in the presence of air.

High-aluminum aluminum-titanium target material and preparation method thereof

The invention belongs to the technical field of hot isostatic pressing method powder metallurgy, and discloses a high-aluminum aluminum-titanium target and a preparation method thereof. The atomic proportion of aluminum in the target material is larger than 50%, and the target material is characterized in that the target material is composed of elementary substance phases of Al and Ti, free of alloy phases, extremely high in strength or toughness, easy to machine into complex shapes and free of cracking or breaking in the machining process. The target material is mainly applied to AlTiN coating film coating and decorative film coating of a cutter, and the main preparation process of the target material comprises the steps of powder mixing, bagging and degassing, hot isostatic pressing, machining and the like.

Small-particle precursor for single crystal and preparation method of small-particle precursor

The invention discloses a preparation method of a single crystal small particle precursor with coarse and fine mixed primary particle morphology. The method comprises the following steps: adding a salt solution, a precipitator a and a complexing agent b into a base solution containing the precipitator and the complexing agent according to a certain proportion, and controlling the pH value in a reaction system to be in a linear periodic change of first increasing and then decreasing within a certain range after a nucleation stage is completed until the particle size of precursor particles reaches the target particle size. And carrying out solid-liquid separation, washing and drying on the obtained product to finally prepare the ternary precursor particles of which the surface appearance is in a coarse and fine mixed state. When the precursor particles with the morphology are subjected to single crystal sintering, the sintering temperature can be reduced, the production cost can be saved, ...

Copper alloy powder and preparation method thereof

The invention relates to copper alloy powder. The copper alloy powder comprises the following components in percentage by mass: 0.5-15.0 wt% of Ni, 2.0-5.0 wt% of Si, 2.0-6.0 wt% of Mn, no more than 0.5 wt% of other unlisted metal elements except Cu, and the balance of Cu, wherein the content of Ni is 0.5-15.0 wt%, the content of Si is 2.0-5.0 wt%, the content of Mn is 2.0-6.0 wt%, and the total content of the other unlisted metal elements except Cu is not more than 0.5 wt%. The invention further relates to a method for preparing the copper alloy powder. The method comprises the following steps that copper is heated; an intermediate alloy Cu-Ni, an intermediate alloy Cu-Si and an intermediate alloy Cu-Mn are added into the heated copper to be continuously heated, and then a copper alloy bar is formed through pouring; and atomizing the alloy bar to prepare the copper alloy powder. The copper alloy material formed through 3D printing can improve the internal microstructure, reduce the internal ...

BONDING MATERIAL, METHOD FOR PRODUCING BONDING MATERIAL, AND BONDED BODY

A method for producing a bonding material having a plate shape or a sheet shape includes a mixture producing step in which fine copper particles having an average particle diameter of 300 nm or less, coarse copper particles having an average particle diameter of 3 μm or more and 11 μm or less, and a reducing agent which reduces the fine copper particles and the coarse copper particles are mixed to produce a mixture: and a molding step in which the mixture is formed in a plate shape or a sheet shape.

METHOD FOR MANUFACTURING AN ALUMINUM ALLOY PART

Cu-based alloy powder

Provided is a Cu-based alloy powder that is suitable for a process involving rapid melting and rapid solidification and that can provide a shaped object superior in characteristics. The powder is composed of a Cu-based alloy, which contains an element M being one or more elements selected from Cr, Fe, Ni, Zr, and Nb: 0.1% by mass or more and 10.0% by mass or less, Si: more than 0% by mass and 0.20% by mass or less, P: more than 0% by mass and 0.10% by mass or less, and S: more than 0% by mass and 0.10% by mass or less, the balance being Cu and inevitable impurities. This powder has a ratio (D50/TD) of the average particle diameter D50 (μm) thereof to the tap density TD (Mg/m3) is 0.2×10−5·m4/Mg or more and 20×10−5·m4/Mg or less, and has a sphericity of 0.80 or more and 0.95 or less.

Preparation method and application of powder material containing precious metal elements

The invention relates to a preparation method and application of a powder material containing precious metal elements, according to the preparation method, an initial alloy strip containing a matrix phase and a dispersed particle phase is obtained through solidification of an alloy melt, then the matrix phase in the initial alloy strip is removed, and meanwhile the dispersed particle phase containing the precious metal elements is reserved, so that the powder material containing the precious metal elements is obtained. Therefore, the powder material which is composed of the original dispersion particle phase and contains precious metal elements is obtained. The preparation method disclosed by the invention is simple in process, can be used for preparing powder materials containing precious metal elements in various sizes such as nano-scale, submicron-scale and micron-scale, and has a very good application prospect in the fields of catalytic materials, powder metallurgy, composite materials ...

Tailored particles for powder-based additive manufacturing

The present disclosure relates to a plurality of powder particles configured to be joined in an additive manufacturing process to form a part. Each one of the powder particles has a determined three dimensional, non-spherical shape. The plurality of powder particles are further of dimensions enabling fitting individual ones of the powder particles in abutting relationship with one another. At least a subplurality of the powder particles each have a functionalized surface feature to enhance at least one of clustering or separation of the subplurality of powder particles.

METHOD OF MANUFACTURE OF PRODUCTS FROM REGOLITH, 3D PRINTING METAL RESIDUES AND ALIKE USING HIGH TEMPERATURE

Preparation method of copper powder with low apparent density and copper powder

The invention discloses a preparation method of copper powder with low apparent density and the copper powder. The preparation method comprises the following steps: mixing an additive, CuSO4. 5H2O, H2SO4 and ultrapure water, and fully stirring to obtain an electrolyte; placing the electrolyte in an electrolytic bath for electrolysis; wherein pure copper plates serve as an anode and a cathode, the distance between the anode and the cathode is controlled to be 20 cm, and the area ratio of the cathode to the anode is 1: 1.25; the temperature of the electrolyte is 40-60 DEG C, the current density is 1000-1500 A/m < 2 >, and the electrolysis time is 8-20 min; and after electrolysis is finished, a product separated out from the cathode is collected and washed with pure water for 5-6 times, and then the copper powder with the low apparent density is obtained after anti-oxidation treatment and vacuum drying are conducted. The method has the advantages that the selected reagents are green, environment-friendly ...

Fine metal linear body

Provided is a fine metal linear body having a sintering temperature lower than conventional sintering temperatures. The fine metal linear body has a length of 0.5 [mu] m or more and 200 [mu] m or less and a thickness of 30 nm or more and 10 [mu] m or less. When the length of a metal crystal constituting the fine metal linear body in the direction of extension of the fine metal linear body is X and the length in the direction orthogonal to the direction is Y, the value of X/Y, which is the ratio of X to Y, is 4 or less in three boundary regions when the length of the fine metal linear body is quartered in the direction of extension of the fine metal linear body.

Iron based powder

Disclosed is a new diffusion-bonded powder consisting of an iron powder having 1-5%, preferably 1.5-4% and most preferably 1.5-3.5% by weight of copper particles diffusion bonded to the surfaces of the iron powder particles. The new diffusion bonded powder is suitable for producing components having high sintered density and minimum variation in copper content.

Metal magnetic powder and method for manufacturing same, as well as coil component and circuit board

A metal magnetic powder is constituted by metal magnetic grains that each include: a metal phase where the percentage of Fe at its center part is 98 percent by mass or higher, while the mass percentage of Fe at its contour part is lower than that at the center part; and an oxide film covering the metal phase, so as to inhibit oxidation of Fe contained in the metal phase, despite the high content percentage of Fe in the metal phase.

Steel surface composite titanium alloy coating and preparation method thereof

The invention relates to a steel surface composite titanium alloy coating and a preparation method thereof.The steel surface composite titanium alloy coating comprises a middle layer and a surface layer which are sequentially arranged from a base plate, metallurgical bonding is adopted at the interface, and by arranging the middle layer, formation of a Fe-Ti brittle phase and cracks between the titanium alloy coating and steel can be effectively solved; fe-Ti brittle phases and cracks are obviously reduced, so that the coating is good in compactness, high in bonding strength, excellent in corrosion resistance and longer in service life. The invention further provides a preparation method of the steel surface composite titanium alloy coating.

BONDING MATERIAL, METHOD FOR PRODUCING BONDING MATERIAL, AND BONDED BODY

One object of the present invention is to provide a bonding material capable of forming a highly reliable bond, the present invention provides a bonding material having a plate shape or a sheet shape, wherein the bonding material includes: fine copper particles having an average particle diameter of 300 nm or less; coarse copper particles having an average particle diameter of 3 µm or more and 11 µm or less; and a reducing agent which reduces the fine copper particles and the coarse copper particles.

COPPER PASTE FOR FORMING SINTERED COPPER PILLARS AND METHOD FOR PRODUCING BONDED BODY

Copper paste for forming a sintered copper pillar containing copper particles and an organic dispersion medium, in which the copper paste contains first sub-micro copper particles having a volume-average particle size of 0.05 to 0.35 µm, second sub-micro copper particles having a volume-average particle size of 0.5 to 1.5 µm, and spherical micro copper particles having a volume-average particle size of 2 to 5 µm as the copper particles, a content of the first sub-micro copper particles is 40 to 70 % by mass on the basis of the total mass of the copper particles, a content of the second sub-micro copper particles is 10 to 40 % by mass on the basis of the total mass of the copper particles, and a content of the spherical micro copper particles is 15 to 45 % by mass on the basis of the total mass of the copper particles.

Method for preparing porous titanium powder based on dealloying reaction in metal melt

The invention belongs to the technical field of porous metal preparation, and particularly relates to a method for preparing porous titanium powder based on dealloying reaction in metal melt, Cu element in Cu-Ti alloy powder is selectively dissolved into Mg melt to generate dealloying reaction to generate Mg-Cu melt, and the rest Ti element forms a pore-shaped structure through surface diffusion, so that the porous titanium powder is prepared. And then selectively corroding and removing the Mg-Cu phase by using a corrosive liquid to obtain the porous titanium powder with small pore size and uniform distribution. According to the method, the pore structure of the porous titanium powder can be regulated and controlled by adjusting the Cu/Ti proportion in the Cu-Ti alloy powder, the temperature and time of the dealloying reaction, the stirring speed and the like, and the porous titanium powder with different application prospects is obtained. The method can be used for preparing the porous ...

Preparation method of coralline copper powder and copper powder

The invention discloses a preparation method of coralline copper powder. The preparation method comprises the following steps: mixing an additive S, CuSO4. 5H2O, H2SO4 and pure water to form a solution; the solution is placed in a stirrer at the temperature of 40-60 DEG C, the rotating speed is kept at 300-480 r/min, dissolving is conducted for 30-60 min, and electrolyte is obtained; placing the electrolyte in an electrolytic bath for electrolysis; and after electrolysis is finished, a product separated out from the cathode is collected and washed with pure water 3-5 times, saponification and anti-oxidation treatment are carried out, vacuum drying is carried out for 12 h at the temperature of 60 DEG C, and the coralline-shaped copper powder is prepared. The method is simple in steps and easy to operate. The invention further discloses the copper powder prepared through the method, and the copper powder is small in particle size, low in apparent density and large in surface roughness.

Methods for manufacturing a wrought metallic article from a metallic-powder composition

A method for manufacturing a wrought metallic article from metallic-powder compositions comprises steps of (1) compacting the metallic-powder composition to yield a compact, having a surface, a cross-sectional area, and a relative density of less than 100 percent, (2) reducing the cross-sectional area of the compact via an initial forming pass of a rotary incremental forming process so that the compact has a decreased cross-sectional area, and (3) reducing the decreased cross-sectional area of the compact via a subsequent forming pass of the rotary incremental forming process by a greater percentage than that, by which the cross-sectional area of the compact was reduced during the initial forming pass.

Preparation method of polyhedral copper powder

The invention discloses a preparation method of polyhedral copper powder. The preparation method comprises the following steps: S1, respectively preparing a copper solution and a reduction solution; s2, the copper solution and the reduction solution are mixed, a reduction reaction is conducted, and reaction liquid is obtained; s3, performing post-treatment on the reaction liquid to obtain copper powder; wherein the reducing solution is prepared from a dispersing agent, a reducing agent and a solvent, and the dispersing agent adopts at least one of sodium linear alkyl benzene sulfonate, diglyceride, alkylphenol polyoxyethylene ether, polyvinylpyrrolidone and fatty glyceride; the reducing agent adopts at least one of sodium hypophosphite, ascorbic acid and formaldehyde; the solvent is at least one of water, ethanol and methanol. The preparation method disclosed by the invention is simple in process, high in copper ion conversion rate, controllable in particle size, high in tap density and ...

Iron-based nanoparticles and grains

Example nanoparticles may include an iron-based core, and a shell. The shell may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example alloy compositions may include an iron-based grain, and a grain boundary. The grain boundary may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example techniques for forming iron-based core-shell nanoparticles may include depositing a shell on an iron-based core. The depositing may include immersing the iron-based core in a salt composition for a predetermined period of time. The depositing may include milling the iron-based core with a salt composition for a predetermined period of time. Example techniques for treating a composition comprising core-shell nanoparticles may include nitriding the composition.

Production device and preparation method of metal particles and glycolide

The invention relates to the technical field of organic synthesis, in particular to a production device and a preparation method of metal particles and glycolide. The metal particle comprises a main body and a first side base body arranged at one end of the main body; the cross sectional area of the main body is smaller than that of the first side base body; the main body is of a hollow structure; an insulating electric heating wire is arranged in the main body; the insulating electric heating wire is composed of an electric heating wire and an insulating layer wrapping the electric heating wire. By adopting the metal particles provided by the invention, high-purity glycolide can be obtained, meanwhile, the problems of coking and carbonization in the oligomer cracking process and the problems of solvent cracking and subsequent separation caused by adding a high-boiling-point solvent are solved, the production process is simplified, the application prospect of the product is widened, and ...

Easily-crushable copper powder and manufacturing method therefor

Provided is a copper powder manufactured by means of a wet method, wherein the absolute value of the zeta potential of the copper powder is at least 20 mV. The copper powder can be manufactured so as to reduce the burden of the steps of crushing a dry cake and classification, and there is a sufficient reduction in residual secondary particles.

Titanium sintered body, ornament, and timepiece

A titanium sintered body has an average crystal grain diameter on the surface of more than 30 μm and 500 μm or less, and a Vickers hardness on the surface of 300 or more and 800 or less. In the titanium sintered body, it is preferred that crystal structures on the surface have an average aspect ratio of 1 or more and 3 or less. Further, in the titanium sintered body, it is preferred that the oxygen content on the surface is 2000 ppm by mass or more and 5500 ppm by mass or less. Further, in the titanium sintered body, it is preferred that titanium is contained as a main component, and an α-phase stabilizing element and a β-phase stabilizing element are also present.

LOW-ALCOHOL BEVERAGE

A low-alcohol beverage of the present invention is a citrus-savored low-alcohol beverage having an alcohol concentration of 3.0 v/v % or less, the low-alcohol beverage containing 0.1 to 2.5 v/v % gin converted to 100% of alcohol.

Nuclear power plant steam generator supporting plate and preparation method and application thereof

The invention discloses a nuclear power plant steam generator supporting plate and a preparation method and application thereof, and belongs to the technical field of nuclear fuel. The nuclear power plant steam generator supporting plate comprises a metal supporting plate and a corrosion-resistant and wear-resistant coating arranged on the surface of the metal supporting plate. And the corrosion-resistant and wear-resistant coating is a titanium-based coating. The preparation method of the nuclear power plant steam generator supporting plate comprises the following steps that S1, the metal supporting plate and the titanium-based powder are pretreated; and S2, cladding the titanium-based powder obtained in the step S1 on the surface of the metal supporting plate obtained in the step S1 by adopting a coating preparation technology, and carrying out grinding and polishing treatment. The nuclear power plant steam generator supporting plate can be applied to a nuclear power secondary loop steam ...

IRON BASED POWDER

A diffusion-bonded powder having an iron powder having 1-5%, preferably 1.5-4% and most preferably 1.5-3.5% by weight of copper particles diffusion bonded to the surfaces of the iron powder particles. The diffusion bonded powder is suitable for producing components having high sintered density and minimum variation in copper content. The iron powder may be produced by providing an atomized iron powder with an oxygen content of 0.3-1.2% by weight and with a carbon content of 0.1-0.5% by weight, and subjecting the atomized iron powder and a copper containing powder to a reduction annealing process in a reducing atmosphere to obtain the iron based powder.

Titanium alloy powder with high fatigue performance and small dispersibility for SLM (selective laser melting) and preparation method of titanium alloy powder

The invention relates to the field of titanium alloy powder and a manufacturing method thereof, in particular to high-fatigue-performance small-dispersity titanium alloy powder for SLM and a preparation method thereof.The high-fatigue-performance small-dispersity titanium alloy powder for SLM is prepared from 6.0%-7.0% of Al, 1.5%-2.5% of V, 1.8%-2.5% of Zr, 0.5%-1.8% of Mo, smaller than 0.15% of Si, smaller than or equal to 0.25% of Fe, smaller than or equal to 0.08% of C, smaller than or equal to 0.1% of O, smaller than or equal to 0.05% of N, smaller than or equal to 0.010% of H, 0.015%-0.22% of rare earth and Ti: Bal. The specific steps are as follows: S1, burdening; s2, preparing a titanium alloy bar; s3, smelting in the powder preparation process; s4, gas atomization is carried out; s5, collecting and screening powder; the components of the titanium alloy powder for SLM are close to those of a titanium-aluminum-zirconium-molybdenum-vanadium alloy, the preparation method of the alloy ...

Powder material, powder material for additive manufacturing, and method for producing powder material

The present disclosure provides a powder material that makes it possible to achieve higher flowability than before and to increase the crushing strength of particles. The powder material of the present disclosure has a dendritic structure 1. The dendritic structure 1 has a cemented carbide composition or a cermet composition.

Metal powder

The present invention relates to a metal powder including 0.1≤C≤0.4 mass %, 0.005≤Si≤1.5 mass %, 0.3≤Mn≤8.0 mass %, 2.0≤Cr≤15.0 mass %, 2.0≤Ni≤10.0 mass %, 0.1≤Mo≤3.0 mass %, 0.1≤V≤2.0 mass %, 0.010≤N≤0.200 mass %, and 0.01≤Al≤4.0 mass %, with the balance being Fe and unavoidable impurities, and satisfying the following expression (1), 10<15[C]+[Mn]+0.5[Cr]+[Ni]<20 (1), in which [C], [Mn], [Cr] and [Ni] respectively represent the contents of C, Mn, Cr and Ni by mass %.

BONDING MATERIAL, METHOD FOR PRODUCING BONDING MATERIAL, AND BONDED BODY

A bonded body includes a first bonded member, a second bonded member, and a bonding material. The bonding material is located between the first bonded member and the second bonded member. The bonding material includes fine copper particles having an average particle diameter of 300 nm or less; coarse copper particles having an average particle diameter of 3 μm or more and 11 μm or less; and a reducing agent which reduces the fine copper particles and the coarse copper particles.

SOFT MAGNETIC ALLOY POWDER, MAGNETIC CORE, MAGNETIC COMPONENT, AND ELECTRONIC DEVICE

A soft magnetic alloy powder comprises first particles to fifth particles, each having a particle size within a specific range. Among the first particles to the fifth particles, nth particles have an average particle size xn(μm), an average circularity yn, and a variance znof circularity, where nth is any ordinal number from first to fifth. Points (xn, yn) (n=1 to 5) plotted in an xy plane define an approximate straight line having a slope “my” of −0.0030 or more. Points (xn, zn) (n=1 to 5) plotted in an xz plane define an approximate straight line having a slope “mz” of 0.00050 or less.

Preparation method of anti-corrosion pollution-reducing coating for nuclear power steam generator

The invention discloses a preparation method of an anti-corrosion and pollution-reducing coating for a nuclear power steam generator, and belongs to the technical field of nuclear fuels, the nuclear power steam generator comprises a heat transfer pipe and a supporting plate for supporting and fixing the heat transfer pipe, and the preparation method comprises the following steps: taking nickel-based powder as a raw material, and cladding the anti-corrosion and pollution-reducing coating on the surface of the supporting plate. According to the preparation method provided by the invention, galvanic corrosion in the nuclear power steam generator can be effectively avoided, and finally, the operation safety and lasting stability of a secondary circuit of a nuclear power station are improved.

Rare earth modified spray coating preparation method and spray coating thereof

The invention discloses a preparation method of a rare earth modified spray coating and the spray coating thereof, which comprises the following steps of: pressing rare earth powder into matrix powder through cold welding and extrusion action of mechanical ball milling for spray powder with a first shape of a first predetermined size and rare earth powder with a second shape of a second predetermined size; then composite powder is formed through solid solution heat treatment, rare earth element modified spraying powder is obtained, the spraying powder comprises metal and alloy thereof, ceramic and ceramic-based composite powder and macromolecule and macromolecule-based composite powder, rare earth powder comprises rare earth simple substances and rare earth compounds, and the first preset size is larger than the second preset size; the rare earth modified coating is prepared from the rare earth element modified spraying powder through thermal spraying or cold spraying, and rare earth elements ...

Rare earth modified spraying powder preparation method and spraying powder thereof

The invention discloses a rare earth modified spraying powder preparation method and spraying powder thereof, and the method comprises the following steps: pressing rare earth powder into matrix powder through cold welding and extrusion effects of mechanical ball milling, wherein the matrix powder is in a first shape with a first preset size, and the rare earth powder is in a second shape with a second preset size; wherein the matrix powder comprises metal and alloy thereof, ceramic or organic polymer, the rare earth powder comprises simple substances of cerium, lanthanum, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium and compounds of the simple substances, and the first preset size is larger than the second preset size; and performing solid solution heat treatment on the matrix powder in which the rare earth powder is pressed after mechanical ball milling to form composite powder, so as to obtain ...

Manufacturing process and manufacturing equipment of porous metal particles

The invention relates to the technical field of porous metal materials. The porous metal particulate matter manufacturing process comprises the steps that molten metal liquid is poured into a stirring device, a thickener and a foaming agent are added, and the metal liquid, the thickener and the foaming agent are added. According to the manufacturing process and manufacturing equipment of the porous metal particles, porous metal materials are poured into the feeding hopper, at the moment, the porous metal materials can be preliminarily smashed through rotation of the smashing cutter, then the conical smashing head conducts twice smashing in the fixed cone smashing cavity, and through twice smashing, the situation that the smashing cavity is blocked by large metal materials can be avoided; and the porous metal particles have good toughness, can realize the coupling property during filler extrusion, can form the characteristics of high pressure resistance, high temperature resistance, corrosion ...

Preparation method of silver nano cubes

The invention discloses a preparation method of silver nanocubes, which comprises the following steps: (1) adding cationic cell-penetrating peptide into water, stirring until the cationic cell-penetrating peptide is completely dissolved to prepare an acidic cell-penetrating peptide aqueous solution, and then dropwise adding an alkaline pH regulating reagent under the condition of continuously stirring to regulate the pH value of the solution to be alkaline; (2) slowly dropwise adding a soluble silver salt solution under the condition of continuously stirring the cell-penetrating peptide aqueous solution prepared in the step (1), and carrying out heat preservation reaction to obtain silver nanocubes; according to the method, on the basis of the coordination effect and the self-reduction effect of the cell-penetrating peptide on silver ions, the silver nanocubes can be synthesized under mild reaction conditions without additionally adding a reducing agent and various organic reagents commonly ...

Metallurgical bonding steel surface composite titanium alloy coating and preparation method thereof

The invention relates to a metallurgically bonded steel surface composite titanium alloy coating and a preparation method thereof.The metallurgically bonded steel surface composite titanium alloy coating comprises a middle layer and a surface layer which are sequentially arranged from a base plate, metallurgical bonding is conducted at the interface position, and the surface layer is coated with titanium alloy through the middle layer. By means of the method, formation of Fe-Ti brittle phases and cracks between the titanium alloy coating and the steel can be effectively achieved, the Fe-Ti brittle phases and the cracks are obviously reduced, and therefore the coating is good in compactness, high in bonding strength, excellent in corrosion resistance and longer in service life. And the alloy also has higher microhardness and better wear resistance and wear corrosion resistance. The invention also provides a preparation method of the coating.

Radiation curable resin composition and rapid three dimensional imaging process using the same

The invention relates to a radiation curable resin composition comprising a cationically polymerizable component, a cationic photoinitiator, a hydroxy component, and an impact modifier. The resin composition can preferably be used in the preparation of three dimensional objects.

METHOD FOR PRODUCING AN OBJECT BY MELTING A POLYMER POWDER IN A POWDER SINTERING DEVICE

A method for producing an object by melting a polymer powder in a powder sintering device. For example, a method for producing an object by melting a polymer powder in a powder sintering device under a laser beam, implementing a rheological analysis of the polymers, in order to determine the conditions for producing the object by melting polymer powders. 1. A process for manufacturing an object by melting a polymer powder in a laser-beam powder sintering device comprising the following steps:manufacturing the object in a laser-beam powder sintering device at the initial temperature of the powder bed, said initial temperature of the powder bed being selected in the following manner:establishing the viscosity behavior of the polymer powder as a function of the time and of a descending temperature gradient starting from a supercooling temperature, corresponding to the temperature of the powder bed, that the layer melted at T>Tm by the laser rapidly returns to via cooling, the viscosity measurements being carried out in a plate-plate rheometer device at a stress frequency of less than 5 rad/s.selecting the initial temperature corresponding to the temperature of the powder bed allowing a viscosity of the supercooled polymer of between 800 and 20 000 Pa·s during a time range of more than 5 minutes.2. The process as claimed in claim 1 , wherein the polymer is semicrystalline.3. The process as claimed in claim 1 , wherein the polymer is amorphous.4. The process as claimed in claim 1 , wherein the polymer is a polyaryletherketone.5. The process as claimed in claim 1 , wherein the polymer is a polyamide.6. A composition comprising a semicrystalline polymer having a viscosity of between 800 and 20 000 Pa·s claim 1 , the viscosity measurements being carried out in a plate-plate rheometer device at a stress frequency of less than 5 rad/s claim 1 , said composition being supercooled to a temperature T below the melting temperature after exposure to a temperature T max above its ...

SUPPORT MATERIAL FOR 3D PRINTING OF POLYMER COMPOUNDS

Cyclic olefin copolymer (COC) and cyclic olefin polymer (COP) are useful as support material for 3D printing of high temperature polymers, such as polyimides. 1. A support material during 3D printing for polyimide comprising cyclic olefin copolymer or cyclic olefin polymer.2. The support material of claim 1 , wherein the cyclic olefin copolymer (COC) is a copolymer of cyclic olefin monomers with alkenes.3. The support material of claim 2 , wherein the cyclic olefin copolymer is ethylene-norbornene copolymer which has a CAS No. of 26007-43-2.6. The support material of claim 3 , wherein the cyclic olefin copolymer has a weight average molecular weight (Mw) ranging from about 40 claim 3 ,000 to about 130 claim 3 ,000 claim 3 , a heat deflection temperature ranging from about 30° C. to about 170° C. at 0.45 MPa (66 psi load).7. The support material of claim 1 , wherein the cyclic olefin polymer (COP) are polymers which have undergone ring-opening metathesis polymerization from cyclic monomers followed by hydrogenation claim 1 , wherein the cyclic monomers comprise norbornene or tetracyclododecene.8. The support material of claim 1 , wherein the support material further comprises optical brighteners claim 1 , impact modifiers claim 1 , process aids claim 1 , rheology modifiers claim 1 , thermal and UV stabilizers claim 1 , fluorescent and non-fluorescent dyes and pigments claim 1 , radio-opaque tracers claim 1 , conductive additives (both thermal and electrical) claim 1 , inductive heating additives claim 1 , and non-silicone releases; and combinations of them.9. The support material of claim 1 , wherein the support material also comprises styrenic block copolymer as an impact modifier for the support material.10. A 3D printed polymer article comprising polyimide as a build material and the support material of .11. The 3D printed polymer article of claim 10 , wherein the support material further comprises optical brighteners claim 10 , impact modifiers claim 10 , process ...

POLYMER COMPOSITE COMPRISING AN INTERFACIALLY MODIFIED FIBER AND PARTICLE

Embodiments herein relate to a composite material including about 10 to 80 wt. % of a polymer phase, the polymer phase comprising a thermoplastic polymer with a density of less than about 1.9 g-m-2; and about 20 to 90 wt. % of a dispersed mixed particulate phase, the dispersed mixed particulate phase comprising a mixed particulate and about 0.005 to 8 wt. % of a coating of at least one interfacial modifier. The mixed particulate including a portion of a reinforcing fiber and a portion of a particle. The composite material having a Young's modulus of greater than 700 MPa. In various embodiments, structural building components made from the composite are included as well as additive manufacturing components made from the composite. 1. A composite material comprising:{'sup': '−2', 'about 10 to 80 wt. % of a polymer phase, the polymer phase comprising a thermoplastic polymer with a density of less than about 1.9 g-m; and'}about 20 to 90 wt. % of a dispersed mixed particulate phase, the dispersed mixed particulate phase comprising a mixed particulate and about 0.005 to 8 wt. % of a coating of at least one interfacial modifier;the mixed particulate comprising a portion of a reinforcing fiber and a portion of a particle;wherein the composite material has a Young's modulus of greater than 700 MPa.2. The composite material of wherein the particle has a circularity of about 13.6 to 40.3. The composite material of wherein the density of the composite material is less than about 1.0 g-m.4. The composite material of having a Young's modulus that is greater than an otherwise identical composite material lacking the interfacial modifier.5. The composite material of claim 1 , the particle comprising a spherical particle.6. The composite material of wherein the dispersed mixed particulate phase comprises 0.2 to 6 wt. % of the interfacial modifier.7. The composite material of wherein the reinforcing fibers have an aspect ratio of 1:1.5 or greater.8. The composite material of wherein ...

TECHNIQUES FOR PRODUCING SMA MATERIALS AND POWDERS

Embodiments of the present disclosure provide improved techniques for creating SMA materials and SMA powders. SMA materials and powders formed may be used to form porous structures suitable for applications such as biomaterials, damping applications, actuators, and/or sensors. Embodiments for performing hydriding and dehydriding of SMA wires at low pressure and low temperature are provided. Methods may be used to produce a shape memory alloy (SMA) powder. Such methods may include hydriding a length SMA wire under low pressure for a period of time to produce a length of hydrided SMA wire, crushing the length of hydrided SMA wire to form a hydrided SMA powder, and dehydriding the hydrided SMA powder to form a dehydrided SMA powder. 1. A method comprising: hydriding a metal wire using an acid for a period of time to form a spiral groove along a length of the metal wire; and', 'dehydriding the metal wire,, 'forming a spiral groove on a metal wire, said method comprisingwherein the spiral groove forms on the metal wire as a result of a transformation caused by a volume expansion of the wire during the hydriding.2. The method of claim 1 , further comprising controlling a depth of the spiral groove by controlling a duration of the period of time of the hydriding.3. The method of claim 2 , wherein the depth of the spiral groove increases as the duration of the period of time of the hydriding increases.4. The method of claim 1 , further comprising:monitoring, during the hydriding, a temperature of the acid; andcontrolling, during the hydriding, the temperature of the acid during the hydriding, wherein the controlling maintains the temperature of the acid within a threshold tolerance of a target hydriding temperature during the period of time.5. The method of claim 1 , wherein the metal wire comprises a shape memory alloy (SMA) wire.6. The method of claim 5 , further comprising incorporating the metal wire into an article of manufacture after the dehydriding.7. The method of ...

RUBBER COMPOSITION FOR ADDITIVE MANUFACTURING

There is provided a rubber composition for additive manufacturing that allows rubber shaped articles to be favorably produced using an additive manufacturing apparatus. The rubber composition for additive manufacturing of the present invention comprises a liquid rubber. 1. A rubber composition for additive manufacturing comprising a liquid rubber.2. The rubber composition for additive manufacturing according to claim 1 , further comprising a co-crosslinking agent.3. The rubber composition for additive manufacturing according to claim 1 , further comprising a vulcanized rubber.4. The rubber composition for additive manufacturing according to claim 1 , further comprising a filler.5. The rubber composition for additive manufacturing according to claim 1 , further comprising a polyrotaxane that can form a chemical bond with the liquid rubber.6. The rubber composition for additive manufacturing according to claim 1 , wherein a content of the liquid rubber is 40 mass % or more.7. The rubber composition for additive manufacturing according to claim 1 , which has a viscosity of 1500 Pa·s or less claim 1 , as measured using an E-type viscometer at an amplitude of 1% and a frequency of 1 Hz claim 1 , under an environment at a temperature of 60° C. and a relative humidity of 50%.8. A rubber shaped article claim 1 , which is a cured product of the rubber composition for additive manufacturing according to .9. A rubber shaped article claim 5 , which is a cured product of the rubber composition for additive manufacturing according to claim 5 , whereinthe liquid rubber and the polyrotaxane form a chemical bond in the cured product.10. The rubber shaped article according to claim 8 , which has a Shore A hardness within a range of 25 to 90.11. The rubber shaped article according to claim 8 , which has a tensile strength at break of 0.7 MPa or more.12. The rubber shaped article according to claim 8 , which has an elongation at break of 50% or more.13. The rubber shaped article ...

REACTIVE THERMOPLASTIC POLYURETHANE BASED ON BLOCKED ISOCYANATES

A method for producing a shaped body, containing: producing the shaped body from a composition by a powder-based layer construction process, wherein the composition contains a thermoplastic polyurethane, obtained by reacting a polyisocyanate composition and a polyol composition, the thermoplastic polyurethane is solid at least in a temperature region below 50° C. and has end groups selected from the group consisting of first end groups and second end groups, wherein the first end groups are optionally eliminated at a first temperature, and the second end groups are optionally eliminated at a second temperature, to form reactive groups on the thermoplastic polyurethane that optionally enter into a reaction with functional groups of the thermoplastic polyurethane or functional groups of a further component of the composition, and wherein the first temperature and the second temperature are each greater than or equal to 60° C. 120-. (canceled).21. A method for producing a shaped body , the method comprising:producing the shaped body from a composition by a powder-based layer construction process,wherein the composition comprises a thermoplastic polyurethane, obtained by a method comprising reacting at least one polyisocyanate composition and at least one polyol composition,wherein the thermoplastic polyurethane is solid at least in a temperature region below 50° C. and has end groups selected from the group consisting of first end groups and second end groups, wherein the first end groups are optionally eliminated at a first temperature, and the second end groups are optionally eliminated at a second temperature, to form reactive groups on the thermoplastic polyurethane that optionally enter into a reaction with functional groups of the thermoplastic polyurethane or functional groups of a further component of the composition, andwherein the first temperature and the second temperature are each greater than or equal to 60° C.22. The method according to claim 21 , ...

MICROGEL PARTICLES FOR USE IN 3D PRINTING AND 3D CELL GROWTH MEDIUM AND RELATED COMPOSITIONS, SYSTEMS, AND METHODS

Microgel particles for use in a three-dimensional cell growth medium are described. The microgel particles may be swellable and may have properties conducive to improved function and health of cells distributed within the three-dimensional cell growth medium. Related compositions, systems, and methods are also described. Also provided is a plurality of microgel particles and a liquid cell culture medium, wherein the microgel particles are swelled with the liquid cell culture medium to form a granular gel. Also provided is a method of preparing a three-dimensional cell growth medium is disclosed. The method may comprise: mixing a plurality of microgel particles, such as those described above, in a liquid cell culture medium. Also provided is a method of placing cells in a three-dimensional cell growth medium is disclosed. Also provided is a method of synthesizing a protein is disclosed. 1. A composition for use in a three-dimensional cell growth medium , the composition comprising: low charge density polymer molecules; and', 'crosslinker., 'a plurality of microgel particles, each of the plurality of microgel particles comprising a crosslinked polymeric network, wherein the crosslinked polymeric network comprises2. The composition of claim 1 , wherein each of the low charge density polymer molecules comprises a plurality of charged groups claim 1 , wherein an average spacing between the charged groups is greater than ¼ claim 1 , ½ claim 1 , 1 times claim 1 , 1.5 times claim 1 , or 2 times the Bjerrum length.3. The composition of claim 2 , wherein the charged groups are negatively charged groups.4. The composition of claim 2 , wherein each of the low charge density polymer comprises a first set of monomer units and a second set of monomer units claim 2 , wherein the second set of monomer units is derived from acidic monomers claim 2 , and wherein the second set of monomer units comprise the charged groups.5. The composition of claim 4 , wherein less than 60% of the sum ...

COMPOSITION FOR USE IN 3D PRINTING

A photocurable polymer composition for use with a three dimensional printing process and a method of manufacture of such composition. The composition includes a photocurable resin and a filler and can be tunable to a desired dielectric constant. The filler comprises about 0 to about 30 weight percent of the composition. 1. A photocurable polymer composition for use in a three-dimensional printer comprising:a photocurable resin;a filler;{'b': 0', '30, 'wherein said filler ranges from About to about weight percent of the composition and said photocurable polymer composition has a desired dielectric constant.'}2. The composition as recited in claim 1 , whereOIN the photocurable resin is an acrylate.3. The composition as recited in claim 1 , wherein the photocurable resin is an olefin.4. The composition as recited in claim 1 , wherein the filler is chosen from the group consisting of inorganic or organic fillers.5. The composition as recited in claim 3 , wherein the inorganic fillers are chosen from the group comprising of mica claim 3 , titanium dioxide and magnesium oxide.6. The composition as recited in claim 4 , wherein the fillers comprise a mixture of mica and magnesium oxide.7. A method of preparing a photocurable composition having a desired dielectric constant for use in a three-dimensional printer comprising adding filler to a photocurable resin and dispersing uniformly the filler in such photocurable resin.8. A part manufactured using a three-dimensional printer using a photocurable composition comprising a photocurable resin with filler dispersed uniformly in such resin to achieve a desired dielectric constant.9. The composition of claim 1 , wherein the photocurable resin is an epoxy. The present invention relates to a photocurable polymer composition used for three-dimensional printing which is tunable to a desired dielectric constant or dissipation factor.Three-dimensional printing or additive manufacturing has become increasingly popular over the past ...

ADDITIVE MANUFACTURING COMPOSITION

An additive manufacturing composition for powder bed processes is described. The composition includes at least a first type of impact modified polymer beads. The polymer beads include a) an acrylic or vinyl (co)polymer matrix, and b) an impact modifier in which at least 85% w/w of the first type of impact modified polymer beads have a particle size of between ≥20 μm and ≤200 μm and/or wherein on average the impact modified polymer beads have greater than 5% w/w impact modifier. Also disclosed is an additive manufacturing process for a production of a three dimensional product comprising fused impact modified polymer particles. The use of a composition in additive manufacturing, an additive manufacturing cartridge or replacement hopper and a process for the production of impact modified polymer beads by a suspension polymerization process is also disclosed. 2. The composition according to claim 1 , wherein at least 85% w/w of the first type of impact modified polymer beads have a particle size of between ≥20 μm and ≤125 μm.3. An additive manufacturing composition comprising at least a first type of impact modified polymer beads claim 1 , wherein the said polymer beads comprisea) an acrylic or vinyl (co)polymer matrix, andb) an impact modifier; wherein on average the said impact modified polymer beads comprise greater than 5% w/w impact modifier.4. The additive according to claim 3 , wherein at least 85% w/w of the first type of impact modified polymer beads have a particle size of between ≥20 μm and ≤200 μm.5. The composition according to claim 1 , wherein the d50 particle size of the first type of impact modified polymer beads is ≥40 μm and ≤90 μm.6. The composition according to claim 1 , wherein the impact modifier is selected from the group consisting of acrylic claim 1 , styrene claim 1 , silicone claim 1 , nitrile rubber claim 1 , isoprene claim 1 , butadiene claim 1 , isobutylene and aliphatic polyurethane claim 1 , polyether oligomer and polyester oligomer ...

COMPOSITE PARTICLES, COMPOSITE POWDER, METHOD FOR MANUFACTURING COMPOSITE PARTICLES, AND METHOD FOR MANUFACTURING COMPOSITE MEMBER

The present invention pertains to high-strength/high-ductility alloys, and in particular, provides high-strength composite particles comprising a ceramic phase and a metal phase, a composite powder, a method for manufacturing composite particles, and a method for manufacturing a composite member. Composite particles including a ceramic phase and a metal phase, wherein the composite particles are characterized in that the porosity is no greater than 45% in area ratio in cross-section, and the area ratio of the metal phase, where the total area of the ceramic phase and the metal phase is 100%, is at least 20%. A composite powder characterized in including a plurality of the composite particles. 1. A composite particle comprising a ceramic phase and a metal phase ,wherein a porosity is not more than 45%, by area, in a cross section of the composite particle, andwherein an area ratio of the metal phase is not less than 20% in relation to a total area of the ceramic phase and the metal phase.2. The composite particle according to claim 1 , wherein an area ratio of the ceramic phase in relation to a total area of the ceramic phase and the metal phase in a cross section of a region within 0.03*d from a surface of the particle claim 1 , where “d” is a diameter of an approximate circle of a composite particle claim 1 , is greater than an area ratio of the ceramic phase in relation to a total area of the ceramic phase and the metal phase over an entire cross sectional area of the composite particles.3. A composite powder comprising a plurality of the composite particles according to .4. The composite powder according to claim 3 , wherein D50 of the powder is 30 to 150 μm in a volume cumulative particle size distribution of the powder.6. The method according to claim 5 , wherein the ceramic powder has an average particle size of 0.1 to 20 μm.7. A method for manufacturing a composite member through an additive manufacturing method claim 3 , wherein the additive manufacturing ...

Spherical Tantalum-Titanium Alloy Powder, Products Containing The Same, And Methods Of Making The Same

A tantalum-titanium alloy powder that is highly spherical is described. The alloy powder can be useful in additive manufacturing and other uses. Methods to make the alloy powder are further described as well as methods to utilize the alloy powder in additive manufacturing processes. Resulting products and articles using the alloy powder are further described.

COMPOSITE FEEDSTOCK STRIPS FOR ADDITIVE MANUFACTURING AND METHODS OF FORMING THEREOF

Provided are composite feedstock strips for additive manufacturing and methods of forming such strips. A composite feedstock strip may include continuous unidirectional fibers extending parallel to each other and to the principal axis of the strip. This fiber continuity yields superior mechanical properties, such as the tensile strength along strip's principal axis. Composite feedstock strips may be fabricated by slitting a composite laminate in a direction parallel to the fibers. In some embodiments, the cross-sectional shape of the slit strips may be changed by reattributing material at least on the surface of the strips and/or by coating the slit strips with another material. This cross-sectional shape change may be performed without disturbing the continuous fibers within the strips. The cross-sectional distribution of fibers within the strips may be uneven with higher concentration of fibers near the principal axis of the strips, for example, to assist with additive manufacturing. 1. A coated composite feedstock strip for additive manufacturing , the coated composite feedstock strip comprising:a composite feedstock strip comprising a first resin and first fibers extending parallel to each other; anda coating layer comprising a second resin and a filler, wherein the coating layer is disposed on an outer surface of the composite feedstock strip.2. The coated composite feedstock strip of claim 1 , wherein the first fibers are continuous fibers.3. The coated composite feedstock strip of claim 1 , wherein a distribution of the first fibers throughout a cross section of the composite feedstock strip is uniform.4. The coated composite feedstock strip of claim 1 , wherein a concentration of the first fibers throughout a cross section of the composite feedstock strip is at least 40% by volume.5. The coated composite feedstock strip of claim 1 , wherein the coating layer is uniformly distributed on the outer surface of the composite feedstock strip.6. The coated ...

HIGH TEMPERATURE NICKEL-BASE SUPERALLOY FOR USE IN POWDER BASED MANUFACTURING PROCESS

The application relates to the technology of producing three-dimensional articles by means of powder-based additive manufacturing, such as selective laser melting or electron beam melting. Especially, it refers to a Nickel-base superalloy powder on basis of Hastelloy X consisting of the following chemical composition: 20.5-23.0 Cr, 17.0-20.0 Fe, 8.0-10.0 Mo, 0.50-2.50 Co, 0.20-1.00 W, 0.04-0.10 C, 0-0.5 Si, 0-0.5 Mn, 0-0.008 B, remainder Ni and unavoidable residual elements and wherein the powder has a powder size distribution between 10 and 100 μm and a spherical morphology and the ratio of the content of alloying elements C/B is at least 5 or more. 1. Nickel-base superalloy powder for additive manufacturing of three-dimensional articles consisting of the following chemical composition (in wt.-%): 20.5-23.0 Cr , 17.0-20.0 Fe , 8.0-10.0 Mo , 0.50-2.50 Co , 0.20-1.00 W , 0.04-0.10 C , 0-0.5 Si , 0-0.5 Mn , 0-0.008 B , remainder Ni and unavoidable residual elements and wherein the powder has a powder size distribution between 10 and 100 μm and a spherical morphology and the ratio of a content (in wt.-%) of alloying elements C/B is at least 5 or more.2. Nickel-base superalloy powder according to claim 1 , wherein the C content of the powder is 0.05-0.09 wt.%.3. Nickel-base superalloy powder according to claim 2 , wherein the C content is 0.05-0.08 wt.-%.4. Nickel-base superalloy powder according to claim 1 , wherein the Si content is max. 0.2 wt.-%.5. Nickel-base superalloy powder according to claim 4 , wherein the Si content is max. 0.1 wt.-%.6. Nickel-base superalloy powder according to claim 1 , wherein the Mn content is max. 0.3 wt.-%.7. Nickel-base superalloy powder according to claim 6 , wherein the Mn content is max.0.1 wt.-%.8. Nickel-base superalloy powder according to claim 1 , wherein the B content is 0.002-0.008 wt.-%.9. Nickel-base superalloy powder according to claim 1 , wherein the B content is 5. 0.007 wt.-%.10. Nickel-base superalloy powder according ...

TITANIUM-BASED POWDER, AND INGOT AND SINTERED ARTICLE THEREOF

Provided are a titanium-based powder excellent in fluidity and shape retention property, and an ingot and a sintered article obtained using the titanium-based powder as a material. The titanium-based powder has an average circularity of 0.815 or more and less than 0.870, a CV value of particle sizes of 22 or more and 30 or less, and an angle of repose of 29 degrees or more and 36 degrees or less. 1. A titanium-based powder , which has an average circularity of 0.815 or more and less than 0.870 , a CV value of particle sizes of 22 or more and 30 or less , and an angle of repose of 29 degrees or more and 36 degrees or less.2. The titanium-based powder according to claim 1 , which is a titanium-based powder containing a spherical titanium-based powder and a non-spherical titanium-based powder.3. The titanium-based powder according to claim 1 , which contains spherical titanium-based particles in a number ratio of 35% to 80% claim 1 , and contains non-spherical titanium-based particles in a number ratio of 20% to 65%.4. The titanium-based powder according to claim 2 , which is a titanium-based powder obtained by mixing a spherical titanium-based powder and a non-spherical titanium-based powder.5. The titanium-based powder according to claim 4 , wherein the spherical titanium-based powder is a titanium-based powder produced by an atomization method claim 4 , a titanium-based powder produced by a P-REP method claim 4 , a titanium-based powder obtained by subjecting a titanium-based powder produced by an HDH method to a plasma processing claim 4 , a titanium-based powder obtained by subjecting a titanium-based powder produced by a pulverization method to a plasma processing claim 4 , or a titanium-based powder obtained by mixing two or more thereof.6. The titanium-based powder according to claim 4 , wherein the non-spherical titanium-based powder is a titanium-based powder produced by an HDH method claim 4 , a titanium-based powder produced by a pulverization method claim ...

METHOD OF MAKING A POLYMER COMPOSITE

A method of making a composite feed material for fused deposition modeling (FDM) is disclosed. The method comprises providing composite particles made by a process of emulsion aggregation, the composite particles comprising at least one thermoplastic polymer and at least one carbon particle material. A composite feed material is formed for fused deposition modeling from the composite particles. The composite feed material is in a form selected from a filament and a paste. 1. A method of making a composite feed material for fused deposition modeling (FDM) , the method comprising:providing composite particles made by a process of emulsion aggregation, the composite particles comprising at least one thermoplastic polymer and at least one carbon particle material; andforming a composite feed material for fused deposition modeling from the composite particles, the composite feed material being in a form selected from a filament and a paste.2. The method of claim 1 , wherein the at least one thermoplastic polymer has a Tg of less than 100° C.3. The method of claim 1 , wherein the at least one thermoplastic polymer has a viscosity of less than 50 claim 1 ,000 cP claim 1 , where viscosity is determined at shear of 6.28 rad/sec using a TA instruments model DHR2 rheometer with 2 parallel (25 mm) plates at a temperature of 100° C.4. The method of claim 1 , wherein the at least one thermoplastic polymer is a latex.5. The method of claim 1 , wherein the at least one thermoplastic polymer is selected from the group consisting of polyacrylates claim 1 , polybenzimidazoles claim 1 , polycarbonates claim 1 , polyether sulfones claim 1 , polyaryl ether ketones claim 1 , polyetherimide claim 1 , polyethylenes claim 1 , polyphenylene oxides claim 1 , polypropylenes claim 1 , polystyrenes claim 1 , styrene-butyl acrylate claim 1 , polyesters claim 1 , polyurethanes claim 1 , polyamides claim 1 , Poly(vinylidene fluoride) (PVDF) claim 1 , polyvinyl chlorides and combinations thereof.6. ...

HYDROGEL OBJECT AND METHOD OF MANUFACTURING HYDROGEL OBJECT

A hydrogel object includes a polymer and water, wherein the rate of mass loss is not greater than 20 percent by mass when the hydrogel object is left undone for one week at 25 degrees C. and relative humidity of 50 percent. 1. A hydrogel object comprising:a polymer; andwater,wherein a rate of mass loss is not greater than 20 percent by mass when the hydrogel object is left undone for one week at 25 degrees C. and relative humidity of 50 percent.2. The hydrogel object according to claim 1 , wherein a stress under 80 percent compression of the hydrogel object is 0.01-5.0 MPa.3. The hydrogel object according to claim 1 , further comprising a humectant in an amount of 10-90 percent by mass.4. The hydrogel object according to claim 3 , wherein the humectant includes glycerin.5. The hydrogel object according to claim 1 , further comprising a humectant claim 1 , wherein density of the humectant increases from a center to a surface of the hydrogel object.6. The hydrogel object according to claim 1 , wherein the hydrogel object includes multiple areas where compression stress values are different.7. The hydrogel object according to claim 1 , wherein the rate of mass loss is not greater than 5 percent by mass.8. The hydrogel object according to claim 1 , wherein a surface of the hydrogel object has a film.9. The hydrogel object according to claim 8 , wherein water vapor transmission rate of the film is not greater than 500 g/m·d.10. The hydrogel object according to claim 8 , wherein oxygen transmission rate of the film is not greater than 100 claim 8 ,000 cc/m/hr/atm.11. The hydrogel object according to claim 8 , wherein a difference of Young's modulus between the hydrogel object before the film is formed and the hydrogel object after the film is formed is not less than 0.01 MPa.12. The hydrogel object according to claim 1 , wherein a decrease rate of light transmission of the hydrogel object is not greater than 20 percent after the hydrogel object is left undone for one week ...

METHOD FOR PREPARING COPPER METAL NANOPOWDER HAVING UNIFORM OXYGEN PASSIVATION LAYER BY USING THERMAL PLASMA, AND APPARATUS FOR PREPARING SAME

A method for preparing a copper metal nanopowder having a uniform oxygen passivation layer and an apparatus for preparing the same are described. The method for preparing a copper metal nanopowder for light sintering, having an average diameter of 50-200 nm and an average thickness, of a surface oxygen passivation layer, of 1-30 nm, includes allowing copper or a copper alloy powder, having an average diameter of 5-30 μm, to pass through a thermal plasma torch, a reaction container and an oxygen reaction zone. The copper or the copper alloy powder is injected at an injection rate of 0.5-7 kg/hr and the amount of oxygen to be added to the oxygen reaction zone, per kg of the copper or the copper alloy powder to be injected per hour, is in the range of 0.3-12 standard liters per minute (slpm). Also described is a light sintering copper metal nanopowder preparation apparatus. 1. A method for preparing a nanocopper metal powder for light sintering having a mean particle diameter of 50 to 200 nm and a surface oxygen passivation layer with a mean thickness of 1 to 30 nm , the method comprising allowing a copper or copper alloy powder with a mean particle diameter of 5 to 30 μm to pass through a thermal plasma torch , a reactor and an oxygen reaction zone ,wherein the copper or copper alloy powder is injected at an injection rate of 0.5 to 7 kg/hr, and the amount of oxygen added to the oxygen reaction zone with respect to 1 kg of the copper or copper alloy powder injected per hour ranges from 0.3 to 12 slpm (standard liters per minute).2. The method according to claim 1 , wherein a content of copper in the copper alloy powder is 95% by weight or more.3. The method according to claim 2 , wherein the copper alloy comprises one or more selected from the group consisting of Cu—P claim 2 , Cu—Ag and Cu—Fe claim 2 ,wherein the copper alloy further comprises one or more elements selected from the group consisting of Al, Sn, Pt, Ni, Mn and Ti,wherein a total content of one or more ...

METHOD OF PRODUCING A POWDER PRODUCT

A method of producing a powder suitable for additive manufacturing and/or powder metallurgy applications from a precursor particulate material comprising: subjecting the precursor particulate material to at least one high shear milling process, thereby producing a powder product having a reduced average particle size and a selected particle morphology. 119.-. (canceled)20. A method of producing an additive manufacturing and/or powder metallurgy powder from a precursor particulate material comprising irregularly shaped particulate material , said method comprising:subjecting the precursor particulate material to at least one high shear milling process comprising milling the material with at least one high shear mixer which includes a rotor configured to contact and comminute the precursor particulate material and a stator which extends substantially around the rotor, the stator being configured to have less than 1 mm gap between the rotor and an inner surface of the stator,thereby producing a powder product having a reduced average particle size and a particle morphology comprising spherical shaped particles.21. A method according to claim 20 , wherein the powder product has a particle size range determined by powder sieve analysis in which at least 90% claim 20 , of the particles have an average particle size <300 μm.22. A method according to claim 20 , wherein the morphology of the powder product can be controlled by changing the shear milling process conditions including at least one of shear milling rotor speed; shear milling time; or amount of precursor powder.23. A method according to claim 20 , wherein the powder product has at least one of: high flowability; high apparent/tap density; and low contamination.24. A method according to claim 20 , wherein the flowability of the powder product determined following ASTM B855-06 is at most 35 seconds/20 cm.25. A method according to claim 20 , wherein the apparent/tap density of the powder product is improved at least ...

CUSTOM TITANIUM ALLOY, TI-64, 23+

This disclosure relates to a new alloy and methods of making same. The new alloy is an enhanced strength Ti-6Al-4V Grade 23+ titanium alloy having the following composition by weight percent: Aluminum—6.0 wt % to 6.5 wt %; Vanadium—4.0 wt % to 4.5 wt %; Iron—0.15 wt % to 0.25 wt %; Oxygen—0.00 wt % to 0.10 wt %; Nitrogen—0.01 wt % to 0.03 wt %; Carbon—0.04 wt % to 0.08 wt %; Hydrogen—0.0000 wt % to 0.0125 wt %; Other Elements, each—0.0 wt % to 0.1 wt %; Other Elements, total—0.0 wt % to 0.4 wt %; and Titanium—Balance. 2. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of having0.00 wt % to 0.06 wt % Oxygen;0.01 wt % to 0.10 wt % Oxygen; or0.01 wt % to 0.06 wt % Oxygen.3. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of which is a powder alloy.4. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of which is a starting bar stock.5. An enhanced strength Ti-6Al-4V Grade 23+ alloy composition having less than or equal to 0.10 wt % Oxygen claim 1 , having the same or greater strength as a Ti-6Al-4V Grade 23 alloy claim 1 , wherein the Ti-6Al-4V Grade 23+ alloy results from controlling the following combination of elements in the Ti-6Al-4V Grade 23 alloy:Aluminum;Iron;Nitrogen; andCarbon.7. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of which is a powder alloy.8. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of which is a starting bar stock.9. The enhanced strength Ti-6Al-4V Grade 23+ titanium alloy of having0.00 wt % to 0.06 wt % Oxygen;0.01 wt % to 0.10 wt % Oxygen; or0.01 wt % to 0.06 wt % Oxygen.10. A method of increasing the strength or reducing the Oxygen content of Ti-6Al-4V Grade 23 titanium alloy to produce Ti-6Al-4V Grade 23+ titanium alloy claim 5 , the method comprising adjusting the following combination of elements in the Ti-6Al-4V Grade 23 alloy:Aluminum;Iron;Nitrogen; andCarbon.12. The method of further comprising a step of adjusting the composition of Ti-6Al-4V Grade 23 alloy to have0.00 wt % to 0.06 wt % ...

POLYLACTIC ACID 3D PRINTING MATERIAL AND PREPARATION METHOD THEREOF

The present invention relates to a polylactic acid 3D printing material and a preparation method thereof, which belong to the technical field of polymer materials. The polylactic acid 3D printing material of the present invention comprises the following preparation raw materials in parts by weight: (a) 40-95 parts of crystalline or semi-crystalline polylactic acid, (b) 5-60 parts of noncrystalline polylactic acid, and (c) 0-1.0 parts of a processing aid. In the polylactic acid 3D printing material, a weight of dextral polylactic acid represents 0.5%-8% of a total weight of the polylactic acid. According to the present invention, a polylactic acid 3D printing material with a good aging resistance property can be obtained, by selecting and using two kinds of polylactic acids with different optical purities as raw materials, rationally distributing the proportional relationship between the two, and defining the content of dextral polylactic acid. 1. A polylactic acid 3D printing material , comprising the following preparation raw materials in parts by weight:(a) 40-95 parts of crystalline or semi-crystalline polylactic acid,(b) 5-60 parts of noncrystalline polylactic acid, and(c) 0-1.0 parts of a processing aid;in the polylactic acid 3D printing material, a weight of dextral polylactic acid represents 0.5%-8% of a total weight of the polylactic acid.2. The polylactic acid 3D printing material according to claim 1 , wherein the polylactic acid 3D printing material comprises the following preparation raw materials in parts by weight:(a) 50-90 parts of the crystalline or semi-crystalline polylactic acid,(b) 10-50 parts of the noncrystalline polylactic acid, and(c) 0-1.0 parts of the processing aid.3. The polylactic acid 3D printing material according to claim 1 , wherein in the polylactic acid 3D printing material claim 1 , the weight of the dextral polylactic acid represents 1.4%-6% of the total weight of the polylactic acid.4. The polylactic acid 3D printing material ...

Radiation-Curable Resin Composition and Production Method Thereof

A radiation-curable resin composition, suitable for use in 3D printing, and to the production method thereof, i.e. the method for producing three-dimensional objects using radiation by means of 3D printing of the laser, DLP or LCD type, with successive photopolymerisable layers. The radiation-curable resin composition comprises one or more epoxy-acrylic resins and polymethyl methacrylate, graphene, halloysite nanotubes and one or more photoinitiators. 1. Radiation curable resin composition suitable for use in 3D printing characterized in that it is comprised of:40% to 60% by weight of at least one liquid epoxy resin, in which the liquid epoxy resins have at least two groups capable of reacting by a ring opening mechanism to form a polymer lattice,0.1% to 40% by weight of at least one liquid poly(meth)acrylate, of a single functionality (meth)acrylate, wherein said liquid poly(meth)acrylate will be at most 50% by weight of the total content of (meth)acrylate,0.1% to 10% by weight of at least one cationic photoinitiator,0.1% to 10% by weight of at least one free-radical photoinitiator,5% to 15% by weight of at least one polyether provided with terminal OH groups.2% to 30% by weight of a compound that has at least one unsaturated group and at least one hydroxy group in its molecule,0% to 30% by weight of a hydroxylated compound that has no unsaturated group,0.1% to 5% graphene,0.1% to 20% by weight of halloysite nanotubes.2. Composition of radiation curable resin according to claim 1 , characterized as such because at least one liquid epoxy resin is difunctional.3. Radiation curable resin composition claim 1 , according to claim 1 , characterized in that at least one liquid epoxy resin has an epoxy functionality of at least 2.4. Radiation curable resin composition claim 1 , according to claim 1 , characterized in that it is comprised of at least one polyester provided with terminal OH groups.5. Radiation curable resin composition according to claim 1 , characterized in ...

Independent Control of Both Index and Dispersion in Gradient Index Optics

Three or more base optical materials are selectively combined into a trans-gradient index (GRIN) optical element (e.g., a lens). A wavelength-dependent index of refraction for light propagating perpendicular to the three or more optical materials equals: a volume fraction of a first optical material multiplied by a refractive index of the first optical material, plus a volume fraction of a second optical material multiplied by a refractive index of the second optical material, plus one minus the volume fraction of the first optical material and the volume of the second optical material all multiplied by the refractive index of a third optical material. The wavelength-dependent index of refraction distribution and a refractive index dispersion through the GRIN optical element may be independently specified from one another. A local refractive index at any point in the optical element is a fixed function of a refractive index of each individual optical material. 1. A method comprising:providing three or more base optical materials comprising a first base optical material, a second base optical material, and a third base optical material;selectively combining the three or more base optical materials into a set of trans-gradient index (GRIN) materials; andusing the set of trans-GRIN materials to independently control both an index of refraction distribution and an optical dispersion distribution through a GRIN optical element.2. The method of claim 1 , wherein a wavelength-dependent index of refraction for light propagating perpendicular to the three or more base optical materials equals:a volume fraction of the first base optical material multiplied by a refractive index of the first base optical material, plusa volume fraction of the second base optical material multiplied by a refractive index of the second base optical material, plusone minus the volume fraction of the first base optical material and the volume of the second base optical material all multiplied by ...

ADDITIVE MANUFACTURING USING ELECTROCHEMICALLY ACTIVE FORMULATIONS

A method of manufacturing an electrochemical system comprising an electrode is described herein, comprising dispensing, in a configured pattern corresponding to the shape of the electrode, a model composition which comprises a substance capable of reversibly releasing an electrochemically-active agent (such as lithium) or depleted form of same, wherein dispensing comprises heating a filament comprising the model composition and dispensing a heated composition. Further described is an electrochemical system comprising an electrode which comprises a composite material, as well as batteries and supercapacitors comprising such a system. The composite material comprises a thermoplastic polymer and substance capable of reversibly releasing an electrochemically-active agent (such as lithium) or depleted form of same, wherein at least 20 weight percents of the composite material is thermoplastic polymer. 1. A method of manufacturing an electrochemical system which comprises at least one lithium-based electrode , the method comprising dispensing , in a configured pattern corresponding to the shape of the electrode , at least a first model composition which comprises at least one substance capable of reversibly releasing lithium or a delithiated form of said substance , wherein said dispensing comprises heating a filament comprising said first model composition and dispensing a heated composition.2. The method of claim 1 , wherein said substance is a lithium metal oxide/sulfide.3. The method of claim 1 , wherein said substance is a lithium alloy.4. The method of claim 1 , wherein said first model composition further comprises a thermoplastic polymer.5. The method of claim 1 , wherein said electrode is a three-dimensional electrode claim 1 , the method comprising sequentially forming a plurality of layers in said configured pattern claim 1 , wherein for at least a few of said layers said forming comprises said dispensing of said first model composition.6. The method of claim 1 ...

THREE-DIMENSION FORMING MATERIAL, THREE-DIMENSION FORMING SUPPORT MATERIAL, AND THREE-DIMENSION FORMING COMPOSITION SET

A three-dimension forming material includes a radiation curable compound and has a total concentration of a magnesium ion and a calcium ion of 50 ppm or less, a concentration of an alkali metal ion of 100 ppm or less, and a concentration of a fatty acid compound of 50 ppm or less. 1. A three-dimension forming material ,comprising a radiation curable compound, andhaving a total concentration of a magnesium ion and a calcium ion of 50 ppm or less, a concentration of an alkali metal ion of 100 ppm or less, and a concentration of a fatty acid compound of 50 ppm or less.2. A three-dimension forming support material ,comprising a radiation curable compound and a plasticizer, andhaving a total concentration of a magnesium ion and a calcium ion of 50 ppm or less, a concentration of an alkali metal ion of 100 ppm or less, and a concentration of a fatty acid compound of 50 ppm or less.3. A three-dimension forming composition set comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the three-dimension forming material according to ; and'}a three-dimension forming support material that contains a radiation curable compound and a plasticizer.4. The three-dimension forming composition set according to claim 3 ,wherein the three-dimension forming support material has a total concentration of a magnesium ion and a calcium ion of 50 ppm or less, a concentration of an alkali metal ion of 100 ppm or less, and a concentration of a fatty acid compound of 50 ppm or less. This application is based on and claims priority under 35 USC 119 from Japanese Patent Application No. 2015-152853 filed Jul. 31, 2015.1. Technical FieldThe present invention relates to a three-dimension forming material, a three-dimension forming support material, and a three-dimension forming composition set.2. Related ArtThe three-dimension forming apparatus, also called as a 3D printer, for example, is known as an apparatus for fabricating a three-dimensional structure (for example, parts of industrial ...

METHOD FOR PRODUCING THREE-DIMENSIONAL SHAPED ARTICLE, AND FILAMENT FOR PRODUCING THREE-DIMENSIONAL SHAPED ARTICLE

Provided are: a filament for use in production of a three-dimensionally shaped product, the filament using a generally-used thermoplastic resin; and a method for producing the three-dimensionally shaped product, by use of the filament. The method for producing the three-dimensionally shaped product, through a hot-melting and layering process, comprises: a melting step for melting glass wool-filled thermoplastic resins filled with glass wool; and a layering step for layering the glass wool-filled thermoplastic resins having been melted. 1. A method for producing a three-dimensional shaped article by fused deposition modeling , the method comprising:a melting step for melting a glass-wool-containing thermoplastic resin containing glass wool; anda layering step for layering the melted glass-wool-containing thermoplastic resin.2. The method for producing a three-dimensional shaped article of claim 1 , wherein the amount of glass wool contained in the glass-wool-containing thermoplastic resin is 5 to 40 wt %.3. The method for producing a three-dimensional shaped article of claim 2 , wherein the amount of glass wool contained in the glass-wool-containing thermoplastic resin is 15 to 25 wt %.4. The method for producing a three-dimensional shaped article of wherein the thermoplastic resin is polypropylene or polyacetal.5. The method for producing a three-dimensional shaped article of claim 2 , wherein the thermoplastic resin is polypropylene or polyacetal.6. The method for producing a three-dimensional shaped article of claim 3 , wherein the thermoplastic resin is polypropylene or polyacetal.7. A filament for producing a three-dimensional shaped article by fused deposition modeling claim 3 , whereinthe filament is a glass-wool-containing thermoplastic resin containing glass wool.8. The filament for producing a three-dimensional shaped article of claim 7 , wherein the amount of glass wool contained in the glass-wool-containing thermoplastic resin is 5 to 40 wt %.9. The ...

ADMIXTURE AND INK COMPRISING THE ADMIXTURE

An admixture including at least one copolymer having a backbone. The backbone including at least one electrically charged monomer. The at least one copolymer is a grafted copolymer having mean molecular weight within a range between 600 g/mol and 3000 g/mol on side chains of the grafted copolymer. An additive manufacturing ink, Filament of the additive manufacturing ink, and inkjet printing ink including the admixture. 1. An ink for additive manufacturing , comprising an admixture , wherein the admixture comprises at least one copolymer with a backbone and the backbone comprises at least one electrically charged monomer; the at least one copolymer is a grafted copolymer having mean molecular weight within a range between 600 g/mol and 3000 g/mol on side chains of the grafted copolymer.2. The ink according to claim 1 , wherein the at least one copolymer is an alternating or random copolymer.3. The ink according to the claim 1 , wherein the at least one copolymer is a block copolymer.4. The ink according to claim 1 , wherein the backbone comprises acrylic acid or methacrylic acid.5. The ink according to claim 1 , wherein the the at least one copolymer comprises one or more monomers selected from the group consisting of 2-acrylamido-2-methylpropane sulfonic acid claim 1 , vinyl phosphonic acid claim 1 , N-[3(dimethylamino)propyl]methacrylamide claim 1 , 2-tert-butylamino)ethyl methacrylate claim 1 , and 2-vinyl pyridine claim 1 ,as modifying blocks.6. The ink according to claim 1 , wherein the ink comprises 60 wt. % to 80 wt. %_of inorganic solid content with respect to a total weight of an ink composition claim 1 , and has a volume fraction of the ink within a range of 35% (v/v) and 55% (v/v) with respect to a total volume of the ink composition.7. The ink according to claim 6 , wherein a ratio of the at least one copolymer is 2.5 wt % or less with respect to a total weight of the inorganic solid content.8. The ink according to claim 6 , wherein the ink is in a form ...

Light-curable composition

A light-curable composition is provided which may be used as a photopolymerizable material in an additive manufacturing process. The additive manufacturing process involves heating the light-curable composition which has a viscosity at 20° C. of at least 20 Pa·s. The light-curable composition includes a photopolymerizable matrix material, at least one thermoplastic polymer dissolved therein, and at least one photoinitiator. Polycaprolactone or a derivative thereof is used as the dissolved thermoplastic polymer.

EDIBLE COMPOSITION FOR FOOD FORMING MACHINE

The invention provides an edible composition for a food forming machine, including flour, powdered sugar, solidified oil, and liquid. In particular, based on 100 parts by weight of the flour, the content of the powdered sugar is 25 parts by weight to 35 parts by weight, the content of the solidified oil is 45 parts by weight to 60 parts by weight, and the content of the liquid is 25 parts by weight to 35 parts by weight. The edible composition for a food forming machine has excellent three-dimensional forming effect. 1. An edible composition for a food forming machine , comprising:a flour, wherein a protein content of the flour is 8.5% or less;a powdered sugar;a solidified oil; anda liquid, whereinbased on 100 parts by weight of the flour, a content of the powdered sugar is 25 parts by weight to 35 parts by weight, a content of the solidified oil is 45 parts by weight to 60 parts by weight, and a content of the liquid is 25 parts by weight to 35 parts by weight.2. The edible composition for a food forming machine of claim 1 , wherein the solidified oil comprises butter claim 1 , tallow claim 1 , lard claim 1 , coconut oil claim 1 , or a combination thereof.3. The edible composition for a food forming machine of claim 1 , wherein the liquid comprises milk claim 1 , fruit juice claim 1 , water claim 1 , or a combination thereof.4. The edible composition for a food forming machine of claim 1 , further comprising a powdered milk claim 1 , wherein based on 100 parts by weight of the flour claim 1 , a content of the powdered milk is 4 parts by weight to 6 parts by weight.5. The edible composition for a food forming machine of claim 1 , further comprising a cocoa powder claim 1 , wherein based on 100 parts by weight of the flour claim 1 , a content of the cocoa powder is 4 parts by weight to 6 parts by weight.6. The edible composition for a food forming machine of claim 1 , further comprising a salt claim 1 , wherein based on 100 parts by weight of the flour claim 1 , a ...

Photo-Activated Polymers and Use in Articles, and Methods of 2D and 3D Printing

Photo-activated polymers and co-polymers exhibit colors in the visible spectrum when photo-activated. The photo-active polymers, co-polymers and combinations thereof may be utilized in articles to impart color to the articles. For example, the photo-active polymers may be utilized in printing technology, such as in 2D printing and/or in 3D-printing methods to impart colors to articles. 1depositing a polymer precursor molecule as a liquid; andpolymerizing the polymer precursor molecule with a color inducing molecule to form a copolymer having a color imparted by the color inducing molecule.. A method of making an article comprising the steps of: Photo-activated polymers and/or co-polymers exhibit colors in the visible spectrum when photo-activated. The photo-active polymers, co-polymers and combinations thereof may be utilized in articles to impart color to the articles. For example, the photo-active polymers may be utilized in printing technology, such as in 2D printing and/or in 3D-printing methods to impart colors to articles.The use of inks, dyes and pigments goes back millennia to the dawn of humankind. Specifically, it is well known to extract inks, dyes and pigments from various natural materials, such as minerals, plants and animals. For example, it was well-known around the Mediterranean region since at least the 15century B.C.E. that a purple pigment could be extracted from a sea snail called the spiny dye-murex and utilized to color fabrics. Over the years, many different natural and man-made materials have been utilized to create colored inks, dyes and pigments.In the modern era, many products are made from polymeric materials and are often colored using dyes and pigments. It is also generally known to utilize polymers that themselves exhibit a color, although it has been generally easier to simply color polymers using dyes and pigments. Indeed, most consumer products exhibit some color to make the products more aesthetically pleasing, or even impart a ...

Cellulose fiber thermoplastic composition having a cosmetic appearance and molding thereof

A inventive method to process an organic compound with a thermoplastic alloy composition comprising of a high heat hydrophilic polymer, a polyolefin, preferably with a compatibilizer that is without maleic content. A compressed pellet will be generated at low temperatures for producing a cellulose thermoplastic alloy composition improving the ability to color and replace existing compositions that are challenged by toxicity and performance. This composition can be re fractured into fine particles if necessary, to produce 3 D printed parts well beyond the degradation of the specified organic compound for cosmetic, automotive or medical markets. 1. A method to re fracture cellulose fibers into fine particles from an organic compound , melt blended with a thermoplastic alloy composition that includes a high heat polymer having a glass transition temperature greater than 60 C or 117 F for producing a molded parts.2. The method as claimed in wherein said method contains an thermoplastic alloy composition with a compatibalizer.3. The method as claimed in wherein said method contains an organic compound comprised of cellulose fiber where the glass transition temperature is 220 C or 428 F and above.4. The method as claimed in wherein said method contains a particle size that is mechanically milled to 5 mesh or greater.5. A method for producing an alloy composition with an organic compound comprising of one or more high heat polymer having melt temperatures of a polyolefin and forming a compressed pellet for blending with an additional high heat polymer for molding parts.6. The method as claimed in wherein said method contains a molded part comprising of more than one polyamide.7. The method as claimed in wherein said method contains a molded part having a polyester.8. The method as claimed in wherein said method contains an alloy composition with a compatibalizer.9. The method as claimed in wherein said method contains a molded part having two high heat copolymers.10. A ...

METHOD OF HEAT-TREATING ADDITIVELY-MANUFACTURED FERROMAGNETIC COMPONENTS

A method of heat-treating an additively-manufactured ferromagnetic component is presented. The additively-manufactured ferromagnetic component includes a metal alloy having iron and cobalt. The method of heat-treating is performed such that a saturation flux density of a heat-treated ferromagnetic component is greater than a saturation flux density of an as-formed ferromagnetic component. The heat-treated ferromagnetic component has a microstructure having an average grain size of substantially all grains in a range of about 0.1 micron to about 25 microns. A ferromagnetic component is also presented. 1. A method , comprising:heat-treating an additively-manufactured ferromagnetic component composed of a metal alloy including iron and cobalt such that a saturation flux density of a heat-treated ferromagnetic component is greater than a saturation flux density of an as-formed ferromagnetic component, wherein the heat-treated ferromagnetic component has a microstructure having an average grain size of substantially all grains in a range of about 0.1 microns to about 25 microns.2. The method of claim 1 , wherein the metal alloy further includes at least one of vanadium and niobium.3. The method of claim 2 , wherein vanadium is present in a range of about 0.1 atomic percent to about 10 atomic percent.4. The method of claim 2 , wherein the metal alloy further includes a first alloying element present in a range of about 0.001 atomic percent to about 10 atomic percent selected from the group consisting of boron claim 2 , aluminum claim 2 , silicon claim 2 , germanium claim 2 , yttrium claim 2 , titanium claim 2 , zirconium claim 2 , hafnium claim 2 , vanadium claim 2 , niobium claim 2 , tantalum claim 2 , chromium claim 2 , molybdenum claim 2 , tungsten claim 2 , manganese claim 2 , rhenium claim 2 , ruthenium claim 2 , rhodium claim 2 , iridium claim 2 , nickel claim 2 , palladium claim 2 , platinum claim 2 , copper claim 2 , silver claim 2 , gold claim 2 , and ...

COPOLY(URETHANE CARBONATES) WITH TUNABLE PROPERTIES AND METHODS FOR MAKING AND USING THE SAME

Described herein are copoly(carbonate urethanes) with tunable properties. The copoly(carbonate urethanes) are produced from the reaction between an aryl diamine and an oligomer. By varying the molecular weight of the oligomer, the mechanical and thermal properties of the copoly(carbonate urethanes) can be modified (i.e., tuned). The copoly(carbonate urethanes) can be used to produce filaments for 3D printing applications that could have tunable properties for a variety of applications. 2. The copoly(urethane carbonate) of claim 1 , wherein R and R′ are each a Cto Calkyl group.3. The copoly(urethane carbonate) of claim 1 , wherein R is a neopentyl group.4. The copoly(urethane carbonate) of claim 1 , wherein X is an aralkyl group.5. The copoly(urethane carbonate) of claim 1 , wherein X is a dimethylene phenyl group.6. The copoly(urethane carbonate) of claim 1 , wherein R is a neopentyl group and X is a dimethylene phenyl group.7. The copoly(urethane carbonate) of produced by the process comprising(a) reacting a dialkyl carbonate with an alkyl diol to produce an oligomer; and(b) reacting the oligomer with an aryl diamine.8. The copoly(urethane carbonate) of claim 1 , wherein when n is from about 1 to about 4 claim 1 , the copoly(urethane carbonate) has a glass transition temperature from about 30° C. to about 40° C.9. The copoly(urethane carbonate) of claim 1 , wherein when n is greater than 4 to about 8 claim 1 , the copoly(urethane carbonate) has a glass transition temperature from about than 20° C. to about 30° C.10. The copoly(urethane carbonate) of claim 1 , wherein when n is greater than 8 to about 30 claim 1 , the copoly(urethane carbonate) has a glass transition temperature less than 20° C.11. The copoly(urethane carbonate) of claim 1 , wherein when n is less than about 8 claim 1 , the copoly(urethane carbonate) has an elastic modulus of at least 1 claim 1 ,000 MPa as determined by ASTM D638.12. The copoly(urethane carbonate) of claim 1 , wherein when n is ...

LOW TEMPERATURE CURE SILICONE ELASTOMER

A liquid curable silicone elastomer composition is disclosed. The liquid curable silicone elastomer composition comprises an organopolysiloxane (A) containing at least two silicon-bonded alkenyl groups per molecule, an organopolysiloxane (B) containing at least two silicon-bonded hydrogen atoms per molecule, a platinum based catalyst (C), an inhibitor (D), and a silica filler (E). The organopolysiloxane (B) is a branched polymer, contains M siloxy units, and the at least two silicon-bonded hydrogen atoms are present on the M siloxy units. The inhibitor (D) is selected from the group consisting of acetylenic alcohols and their derivatives. The inhibitor (D) is present in the liquid curable silicone elastomer composition in an amount to provide a molar ratio—of the inhibitor (D) to platinum in the catalyst (C)—of from 150 to 900 (150:1 to 900:1). 1. A liquid curable silicone elastomer composition comprising:an organopolysiloxane (A) containing at least two silicon-bonded alkenyl groups per molecule;an organopolysiloxane (B) containing M siloxy units and at least two silicon-bonded hydrogen atoms per molecule, wherein the at least two silicon-bonded hydrogen atoms are present on the M siloxy units of the organopolysiloxane (B), and the organopolysiloxane (B) is a branched polymer;a platinum based catalyst (C);an inhibitor (D), wherein the inhibitor (D) is selected from the group consisting of acetylenic alcohols and their derivatives, and is present in the liquid curable silicone elastomer composition in an amount to provide a molar ratio of the inhibitor (D) to platinum in the catalyst (C) of from 150 to 900 (150:1 to 900:1); anda silica filler (E).2. The liquid curable silicone elastomer composition of claim 1 , wherein the inhibitor (D) contains at least one unsaturated bond.3. The liquid curable silicone elastomer composition of claim 1 , wherein the inhibitor (D) is selected from the group consisting of 1-ethynyl-1-cyclohexanol claim 1 , 2-methyl-3-butyn-2-ol ...

PLA Pellets Enhanced with Calcium Carbonate from Powdered Zebra Mussel Shells and Quagga Mussel Shells

Provided are materials for 3D printing. The materials have calcium carbonate and polylactic acid. The calcium carbonate is derived from natural sources, such as the shells of zebra mussels or quagga mussels. The calcium carbonate can coat a pellet of polylactic acid. Also disclosed are methods of making and using the same. 1. A material for 3D printing , comprising CaCOand polylactic acid , wherein the CaCOis derived from crushed zebra mussel shells and/or crushed quagga mussel shells.2. The material of claim 1 , wherein the CaCOand the polylactic acid are present in a ratio of 1:3 of CaCOto polylactic acid.3. The material of claim 1 , wherein the CaCOand the polylactic acid are present in a ratio of 1:4 of CaCOto polylactic acid.4. The material of claim 1 , wherein the CaCOand the polylactic acid are present in a ratio of 1:5 of CaCOto polylactic acid.5. The material of claim 1 , wherein the CaCOis primarily calcite.6. The material of claim 5 , wherein the CaCOis only calcite.7. The material of claim 1 , wherein a grain size of the CaCOis less than or equal to 125 microns.8. The material of claim 7 , wherein the grain size is less than or equal to 63 microns.9. A method of preparing a 3D printing material claim 7 , comprising:i) combining calcium carbonate and polylactic acid to form a mixture, wherein the calcium carbonate is derived from crushed zebra mussel shells and/or crushed quagga mussel shells; andii) heating the mixture.10. The method of claim 9 , wherein the polylactic acid is a plurality of polylactic acid pellets.11. The method of claim 9 , wherein the calcium carbonate is less than or equal to 125 microns in grain size.12. The method of claim 11 , wherein the calcium carbonate is less than or equal to 63 microns in grain size.13. The method of claim 9 , wherein the mixture is heated to a temperature of 155 to 165° C.14. The method of claim 9 , further comprising passing the heated mixture through an extruder.15. The method of claim 9 , wherein the ...

COMPOSITION AND METHOD FOR PRODUCING A MOLDED BODY FROM A HIGHLY PURE, TRANSPARENT QUARTZ GLASS BY MEANS OF ADDITIVE MANUFACTURING

The present invention relates to a composition and a process for the production of a molding made of high-purity transparent quartz glass, by means of additive manufacturing. 1. A composition for the production of a molding made of high-purity transparent quartz glass , comprising the following components:at least one polymerizable organic binder which at room temperature is present in liquid form;a polymerization initiator or crosslinking agent, respectively, which, via supply of light or heat, initiates the polymerization or crosslinking of the at least one polymerizable organic binder; andat least one type of spherical quartz glass particles, which are present in dispersed form in the at least one polymerizable organic binder and have a diameter in the range from 7 to 100 nm.2. The composition as claimed in claim 1 , wherein the at least one polymerizable organic binder is a monoacrylate and/or a diacrylate.3. The composition as claimed in claim 1 , further comprising a non-hardenable component claim 1 , which at room temperature is present in solid or in viscous liquid form.4. The composition as claimed in claim 1 , further comprising at least one second type of spherical quartz glass particles having a diameter in the range from 2 to 40 μm.5. A process for the production of a molding made of high-purity transparent quartz glass claim 1 , the process comprising the following steps:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(a) providing the composition as claimed in in a device;'}(b) hardening the at least one polymerizable organic binder contained in the composition via supply of light or heat, whereby a green part is obtained as a primary structure;(c) separating potentially non-hardened at least one polymerizable organic binder, inclusive of the components contained therein, from the primary structure; and optionally at least once repeating the steps (a), (b) and optionally (c);(d) optionally post-treating the primary structure by at least one process ...

HYDRAULIC COMPOSITION FOR ADDITIVE MANUFACTURING DEVICE, AND PROCESS FOR PRODUCING CASTING MOLD

The present invention has solved the problems of conventional molding materials, and provides a hydraulic composition for additive manufacturing devices having high strength development, particularly high early strength development, and less generation of gas defect and graphite spheroidization defect. Specifically, the hydraulic composition for additive manufacturing devices of the present invention at least contains calcium aluminate. It is preferable that the hydraulic composition contain 0.5-10 parts by mass of gypsum with respect to 100 parts by mass of the calcium aluminate. 1. A hydraulic composition for an additive manufacturing device , comprising:a binder having 50 to 100% by mass of calcium aluminate and 0 to 50% by mass of a cement, and0.5 to 10 parts by mass of gypsum based on 100 parts by mass of the calcium aluminate.2. (canceled)3. The hydraulic composition for an additive manufacturing device according to claim 1 , wherein the gypsum is gypsum which is in a state of being contained in cement.4. The hydraulic composition for an additive manufacturing device according to claim 1 , wherein 100 to 400 parts by mass of sand is further contained with respect to 100 parts by mass of the calcium aluminate.5. The hydraulic composition for an additive manufacturing device according to claim 1 ,wherein 100 to 400 parts by mass of sand is contained with respect to 100 parts by mass of the binder,{'sub': 2', '3, 'the calcium aluminate has a molar ratio of CaO/AlOfrom 1.5 to 3.0; and'}the cement has a content of calcium silicate of 25% by mass or more.6. The hydraulic composition for an additive manufacturing device according to claim 3 , wherein a setting (initial set) of the cement measured according to JIS R5210 is within 3 hours 30 minutes.wherein the sand is one or more selected from silica sand, olivine sand, and artificial sand.7. The hydraulic composition for an additive manufacturing device according to claim 4 , wherein the sand is one or more selected ...

POLYMERIZABLE MONOMERS AND METHOD OF POLYMERIZING THE SAME

Provided herein are photopolymerizable monomers, optionally for use as reactive diluents in a high temperature lithography-based photopolymerization process, a method of producing polymers using said photopolymerizable monomers, the polymers thus produced, and orthodontic appliances comprising the polymers. 2. The orthodontic appliance of claim 1 , wherein the orthodontic appliance is an aligner claim 1 , expander or spacer.3. The orthodontic appliance of claim 1 , wherein the orthodontic appliance comprises a plurality of tooth receiving cavities configured to reposition teeth from a first configuration toward a second configuration.4. The orthodontic appliance of claim 1 , wherein the orthodontic appliance is one of a plurality of orthodontic appliances configured to reposition the teeth from an initial configuration toward a target configuration.5. The orthodontic appliance of claim 1 , wherein the orthodontic appliance is one of a plurality of orthodontic appliances configured to reposition the teeth from an initial configuration toward a target configuration according to a treatment plan.6. The orthodontic appliance of claim 1 , wherein the polymer is a crosslinked polymer.7. The orthodontic appliance of claim 1 , wherein the polymer has viscoelastic behavior in the temperature range from 20° C. to 40° C.8. The orthodontic appliance of claim 1 , comprising a feature size of less than or equal to about 5 μm.9. The orthodontic appliance of claim 1 , comprising a feature size within a range from about 5 μm to about 50 μm.10. The orthodontic appliance of claim 1 , comprising a strength that varies by no more than about 25% along all directions.11. The orthodontic appliance of claim 1 , wherein the orthodontic appliance is fabricated using direct fabrication.12. The orthodontic appliance of claim 11 , wherein the direct fabrication produces the orthodontic appliance in a time interval less than or equal to about 1 hour.13. The orthodontic appliance of claim 1 , ...

MOLDING POWDER

A shaping material for a powder bed fusion method, including a powder of a fluororesin, wherein the fluororesin has a D50 of 30 μm or more and 200 μm or less, and the fluororesin has a D10 of 12 μm or more. 1. A shaping material for a powder bed fusion method , comprising a powder of a fluororesin ,wherein the fluororesin has a D50 of 30 μm or more and 200 μm or less, andthe fluororesin has a D10 of 12 μm or more.2. The shaping material according to claim 1 , wherein the fluororesin has a D50 of 50 μm or more and 70 μm or less claim 1 , andthe fluororesin has a D10 of 17 μm or more.3. The shaping material according to claim 1 , wherein the fluororesin has a D50 of 50 μm or more and 70 μm or less claim 1 ,the fluororesin has a D10 of 17 μm or more, andthe fluororesin has a D90 of 130 μm or less.4. The shaping material according to claim 1 , wherein the powder of the fluororesin has a static bulk density of 0.850 g/ml or more and 1.500 g/ml or less.5. The shaping material according to claim 1 , wherein the powder of the fluororesin has a static bulk density of 0.950 g/ml or more and 1.100 g/ml or less.6. The shaping material according to claim 1 , wherein the fluororesin is a tetrafluoroethylene-perfluoroalkoxyethylene copolymer claim 1 , a tetrafluoroethylene-hexafluoropropylene copolymer claim 1 , or an ethylene-tetrafluoroethylene copolymer.7. The shaping material according to claim 1 , further comprising a material other than the fluororesin.8. The shaping material according to claim 7 , wherein the other material is a silica claim 7 , a carbon fiber claim 7 , graphite claim 7 , a carbon nanotube claim 7 , a carbon nanohorn claim 7 , fullerene claim 7 , aluminum oxide claim 7 , clay claim 7 , montmorillonite claim 7 , or talc.9. The shaping material according to claim 7 , wherein the other material is a silica particle. This application is a Continuation of International Application No. PCT/JP2019/017887 filed Apr. 26, 2019, claiming priority based on Japanese ...

NICKEL-BASED SUPERALLOY FOR 3D PRINTING AND POWDER PREPARATION METHOD THEREOF

A nickel-based superalloy for three-dimension (3D) printing and a powder preparation method thereof are provided. The method of preparing the nickel-based superalloy and its powder includes: RE microalloying combined with vacuum melting, degassing, refining, atomization with reasonable parameters, and a sieving process. The new method significantly reduces the cracking sensitivity of the “non-weldable” PM nickel-based superalloys, and broadens the 3D printing process window. The as-printed part has no cracks, and good mechanical properties. In addition, the powder prepared by the new method has higher sphericity and better flowability, and less irregular powders. The yield of fine powders with a particle size of 15-53 μm and medium-sized powders with a particle size of 53-106 μm that are required for 3D printing is greatly improved, which meet the requirements for 3D printing of high-quality, low-cost nickel-based superalloy powder. 1. A nickel-based superalloy for three-dimension (3D) printing , comprising the following components in percentage by mass:Co: 14-23 wt %;Cr: 11-15 wt %;Al: 2-5 wt %;Ti: 3-6 wt %;Mo: 2.7-5 wt %;W: 0.5-3 wt %;Ta: 0.5-4 wt %;Nb: 0.25-3 wt %;Zr: 0.02-0.06 wt %;B: 0.01-0.05 wt %;C: 0.0015-0.1 wt %;RE: 0.05-0.18 wt %; andNi: the balance;or another non-weldable nickel-based superalloy is used as a matrix, and 0.05-0.18 wt % of RE is added to the matrix, whereinthe another non-weldable nickel-based superalloy is one selected from the group consisting of IN738LC, CM247LC, CMSX-4, René 142, and Hastelloy X; or one selected from the group consisting of nickel-based superalloys IN718 and IN625 is used as the matrix, and 0.05-0.18 wt % of RE is added to the matrix.2. The nickel-based superalloy according to claim 1 , comprising the following components in percentage by mass:Co: 20.6 wt %;Cr: 13 wt %;Al: 3.4 wt %;Ti: 3.9 wt %;Mo: 3.8 wt %;W: 2.1 wt %;Ta: 2.4 wt %;Nb: 0.9 wt %;Zr: 0.05 wt %;B: 0.03 wt %;C: 0.04 wt %;RE: 0.06-0.18 wt %; andNi: the ...

BIOPRINTING PROCESS

A bio-printing process comprises a step of preparing a target digital model representative of the three-dimensional organization of the tissue to be produced, a step of controlling a bio-printing instrument for the deposition of a plurality of layers of living cells and of biomaterials, a step of calculation of a digital printing model as a function of the digital model of the product to be produced, and of a model predicting change, and also characteristics of the constituents to be printed. The step of controlling the bio-printing instrument is carried out according to the digital printing model calculated in this way. A system is also described for implementing this process. 1. A bio-printing method , comprising:a step of preparing a target digital model representative of a three-dimensional organization of tissue to be manufactured; anda step of calculating a digital printing model according to the digital model of a product to be manufactured, and a predictive development model a, as well as the characteristics of components to be printed; anda step of controlling a bio-printing equipment for the deposition of a plurality of layers of living cells and biomaterials carried out according to the digital printing model thus calculated.2. The method of claim 1 , further comprising a 2D characterization step of each of the layers during the bio-printing step.3. The method of claim 1 , further comprising a step of maturing the printed item.4. The method of claim 1 , further comprising a step of 3D characterization of the bio-printed product immediately after the bio-printing.5. The method of claim 1 , further comprising a step of 3D characterization of the bio-printed product during its maturation.6. The method of claim 1 , wherein the predictive development model is stored on a shared server claim 1 , the bio-printing equipment including means for communicating with the server to select from a digital library a recorded predictive development model adapted to a ...

IMMISCIBLE-INTERFACE ASSISTED DIRECT METAL DRAWING

A method of three-dimensional printing of target material can include filling a receptacle with a matrix suspension comprising a powder matrix suspended in a first liquid. A second suspension can be extruded into the matrix suspension, where the second suspension can include a target powder suspended in a second liquid. 1. A method of three-dimensional printing of target material comprising:filling a receptacle with a matrix suspension comprising a powder matrix suspended in a first liquid;extruding a second suspension into the matrix suspension, the second suspension comprising a target powder suspended in a second liquid;evaporating at least one of the first and second liquids by heating to a temperature high enough to facilitate evaporation of the first and second liquids but not high enough to sinter or melt the target powder or powder matrix; andheating the matrix suspension and the second suspension to a temperature high enough to dry the matrix suspension and the second suspension and high enough to sinter the target powder, but not high enough to sinter or melt the matrix powder, to form a sintered final product.2. The method of claim 1 , further comprising:removing the sintered final product from the powder matrix.3. The method of claim 1 , wherein the melting temperature of the target powder is higher than the melting temperature of the powder matrix.4. The method of claim 1 , wherein the second suspension is immiscible with the matrix suspension.5. The method of claim 1 , wherein the matrix suspension maintains the second suspension substantially in place during extruding of the target powder.6. The method of claim 1 , wherein extruding the second suspension into the matrix suspension is performed by injecting the second suspension into the matrix suspension.7. The method of claim 6 , wherein extruding the second suspension into the matrix suspension is performed using a movable nozzle or a movable needle.8. A method of creating a metal object using ...

ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL

The present invention relates to a method for producing an object, comprising the step of producing the object according to an additive production process from a construction material, wherein the construction material comprises a mixture of a plurality of powdery thermoplastic materials which are different from one another due to at least one mechanical property and at least one thermoplastic material is a thermoplastic polyurethane material. The invention also relates to an object obtained according to said method. 1. A process for producing an article , comprising: producing the article via an additive manufacturing method from a construction material comprising a mixture of a multitude of pulverulent thermoplastic materials that each differ from one another by at least one mechanical property , wherein at least one thermoplastic material of the construction material is a thermoplastic polyurethane material.2. The process as claimed in claim 1 , wherein the construction material comprises a first pulverulent thermoplastic material and a second pulverulent thermoplastic material claim 1 , wherein the first pulverulent thermoplastic material is a first polyurethane material and the second pulverulent thermoplastic material is a second polyurethane material claim 1 , a polycarbonate material claim 1 , a polyester material or a polyamide material.3. The process as claimed in claim 1 , wherein the construction material comprises a multitude of pulverulent thermoplastic polyurethane materials that differ from one another by their Shore hardness based on DIN ISO 7619-1.4. The process as claimed in claim 3 , wherein the construction material comprises a first pulverulent thermoplastic polyurethane material and a second pulverulent thermoplastic polyurethane material claim 3 , wherein the first pulverulent thermoplastic polyurethane material has a Shore hardness based on DIN ISO 7619-1 of ≥40 A to ≤90 D claim 3 , the second pulverulent thermoplastic polyurethane material ...

USE OF POLYHYDROXY COMPOUND AS PLASTICIZER FOR POLYVINYL ALCOHOL IN 3D PRINTING PROCESS

The invention is directed to a process of manufacturing a three-dimensional object by—providing a support structure comprising polyvinyl alcohol (PVOH) to—depositing and solidifying a molten thermoplastic polymer on the support structure to form a three-dimensional preform characterized in that the support structure consists of a mixture of polyvinyl alcohol (PVOH) and at most 20% by weight of at least one plasticizer according to formula (I), (II) or (III): —R1-C(CH—OH)(1); —[R1-C(CH—OH)CH]O (11); —(R1)C(CH—OH)CH—O—CHC(CH—OH)C(R1)CH—O—CHC(CH—OH)2R1 (III). With R1=H, CH3, CH, CH, CHOH. The support structure can be dissolved to from the three-dimensional object. 1. A process of manufacturing a three-dimensional object , comprising:depositing and solidifying a molten thermoplastic polymer on a support structure to form a three-dimensional preform, [{'br': None, 'sub': 2', '3, 'R1-C(CH—OH)\u2003\u2003(I)'}, {'br': None, 'sub': 2', '2', '2', '2, '[R1-C(CH—OH)CH]O \u2003\u2003(II)'}, {'br': None, 'sub': 2', '2', '2—', '2', '2', '2—', '2', '2', '2, 'b': '13', '(R1)C(CH—OH)CHO—CHC(CH—OH)C(R1)CHO—CHC(CH OH)R1 \u2003\u2003(III)'}], 'wherein the support structure consists of a mixture of polyvinyl alcohol (PVOH) and at most 20% by weight of at least one plasticizer according to formula I, II or III{'sub': 3', '2', '5', '3', '7', '2, 'wherein R1 is H, CH, CH, CH, or CHOH.'}2. The process according to claim 1 , wherein the plasticizer is at least one selected from the group consisting of trimethylolpropane claim 1 , di(trimethylolpropane) claim 1 , pentaerythritol claim 1 , dipentaerythritol and tripentaerythritol.3. The process according to claim 1 , wherein the polyvinyl alcohol (PVOH) has a vinyl actetate content of at least 10 mol %.4. The process according to claim 1 , wherein the polyvinyl alcohol (PVOH) has a degree of polymerization of 200 to 3000.5. The process according to claim 1 , wherein the polyvinyl alcohol (PVOH) has a degree of hydrolysation DH of 60 to 99%.6. ...

IMPACT MODIFIED POLYESTERCARBONATE-POLYSILOXANE COMPOSITION AND ASSOCIATED ARTICLE AND ADDITIVE MANUFACTURING METHOD

A composition includes specific amounts of a block polycarbonate-polysiloxane, a core-shell impact modifier, and, optionally, a block polyestercarbonate. The core-shell impact modifier has a core that includes polydimethylsiloxane or poly(butyl acrylate) or both, and a shell includes a poly(methyl methacrylate). The block polyestercarbonate-polysiloxane and the block polyester-carbonate are present in a total amount of greater than 60 weight percent to 99 weight percent. And the block polyestercarbonate-poly-siloxane contributes 0.3 to 0.7 weight percent of dimethylsiloxane units to the composition. Also described are an article comprising the composition, and a method of additive manufacturing utilizing the composition. 2. The composition of claim 1 , comprising 20 to 55 weight percent of the block polyestercarbonate.3. The composition of claim 1 , further comprising 1 to 10 weight percent of a brominated polycarbonate.4. The composition of claim 1 , wherein the core of the core-shell impact modifier comprises poly(butyl acrylate).5. The composition of claim 1 , wherein the core of the core-shell impact modifier comprises polydimethylsiloxane.6. The composition of claim 1 , wherein the core of the core-shell impact modifier comprises a combination of polydimethylsiloxane and poly(butyl acrylate).7. The composition of claim 1 , comprising40 to 58 weight percent of the block polyestercarbonate-polysiloxane,1 to 5 weight percent of the core-shell impact modifier, and40 to 58 weight percent of the block polyestercarbonate.8. The composition of claim 1 , 40 to 62 weight percent of the block polyestercarbonate-polysiloxane,', '1 to 5 weight percent of the core-shell impact modifier,', '35 to 55 weight percent of the block polyestercarbonate; and, 'wherein the composition comprises'}wherein the composition further comprises 1 to 10 weight percent of a brominated polycarbonate.9. An article comprising the composition of .10. The article of claim 9 , wherein the article is ...

ADHESIVE COMPOSITION

Provided are an adhesive composition and an organic electronic device (OED) including the same, and particularly, an adhesive composition, which may form an encapsulation structure effectively blocking moisture or oxygen flowing into an OED from the outside, thereby ensuring the lifespan of the OED, realize a top-emission OED, and exhibit excellent adhesive durability and reliability, and an OED including the same. 1. An adhesive composition for encapsulating an organic electronic element , comprising:{'sup': '2', 'an olefin-based resin having a water vapor transmission rate (WVTR) of 50 g/m·day or less;'}a heat-curable resin; anda photocurable compound.2. The adhesive composition of claim 1 , wherein the olefin-based rein has a weight average molecular weight of 100 claim 1 ,000 or less.3. The adhesive composition of claim 1 , wherein the olefin-based resin has one or more reactive functional groups having reactivity with the heat-curable resin.4. The adhesive composition of claim 3 , wherein the functional group having reactivity with the heat-curable resin is an acid anhydride group claim 3 , a carboxyl group claim 3 , an epoxy group claim 3 , an amino group claim 3 , a hydroxyl group claim 3 , an isocyanate group claim 3 , an oxazoline group claim 3 , an oxetane group claim 3 , a cyanate group claim 3 , a phenol group claim 3 , a hydrazide group or an amide group.5. The adhesive composition of claim 1 , wherein heat-curable resin comprises at least one heat-curable functional group.6. The adhesive composition of claim 5 , wherein the heat-curable functional group comprises an epoxy group claim 5 , an isocyanate group claim 5 , a hydroxyl group claim 5 , a carboxyl group or an amide group.7. The adhesive composition of claim 1 , wherein the heat-curable resin is comprised at 10 to 70 parts by weight with respect to 100 parts by weight of the olefin-based resin.8. The adhesive composition of claim 1 , further comprising:a heat-curing agent.9. The adhesive ...

CURABLE RESIN COMPOSITION AND CURED OBJECT THEREOF

Provided is a curable resin composition with which a cured object with low water absorbency and good impact resistance and heat resistance can be formed and which is preferably usable in three-dimensional shaping. The curable resin composition contains: a polyfunctional urethane (meth)acrylate (A); a hydrophilic monofunctional radical-polymerizable compound (B); a hydrophobic monofunctional radical-polymerizable compound (C); rubber particles (D); and a radical polymerization initiator (E), and the content of the rubber particles (D) is 8 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of radical-polymerizable compounds. 1. A curable resin composition characterized in that{'claim-text': ['a polyfunctional urethane (meth)acrylate (A);', 'a hydrophilic monofunctional radical-polymerizable compound (B);', 'a hydrophobic monofunctional radical-polymerizable compound (C);', 'rubber particles (D); and', 'a radical polymerization initiator (E), and'], '#text': 'the curable resin composition comprises:'}wherein the hydrophilic monofunctional radical-polymerizable compound (B) includes a hydrophilic monofunctional acrylamide-based compound or a hydrophilic monofunctional radical-polymerizable compound having a vinyl group.2. The curable resin composition according to claim 1 , whereina content of the rubber particles (D) is 8 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of radical-polymerizable compounds.3. The curable resin composition according to claim 1 , wherein the content of the rubber particles (D) is 10 parts by mass or more and 40 parts by mass or less with respect to 100 parts by mass of radical-polymerizable compounds.4. The curable resin composition according to claim 1 , wherein a weight average molecular weight of the polyfunctional urethane (meth)acrylate (A) is 1000 or more and 60000 or less.5. The curable resin composition according to claim 1 , wherein a content of the hydrophilic ...

TUNGSTEN HEAVY METAL ALLOY POWDERS AND METHODS OF FORMING THEM

In various embodiments, metallic alloy powders are formed at least in part by spray drying to form agglomerate particles and/or plasma densification to form composite particles. 113.-. (canceled)14. A method of forming a powder comprising a refractory metal alloy , wherein the refractory metal alloy (i) comprises (a) one or more refractory metals selected from the group consisting of niobium , tantalum , rhenium , tungsten , and molybdenum , and (b) one or more additional metals each having a melting point lower than a melting point of each said refractory metal , and (ii) has a theoretical density corresponding to a weighted average of the densities of the one or more refractory metals and the one or more additional metals , the method comprising:forming a powder blend by blending together powders of the one or more refractory metals and the one or more additional metals;forming a slurry by mixing the powder blend with a liquid;spraying the slurry and a heated gas into a drying chamber to form a plurality of agglomerate particles each comprising a mixture of the one or more refractory metals and the one or more additional metals; andto form the powder, densifying at least a portion of the plurality of agglomerate particles by passing the at least a portion of the plurality of agglomerate particles through a plasma to thereby heat the at least a portion of the plurality of agglomerate particles to a temperature greater than a melting point of at least one of the additional metals and less than a melting point of at least one of the refractory metals,wherein the powder comprises a plurality of substantially spherical composite particles, each composite particle comprising a plurality of grains (i) comprising at least one said refractory metal element and (ii) surrounded by a matrix comprising the one or more additional metals.15. The method of claim 14 , wherein the liquid comprises water and/or one or more organic binders.16. The method of claim 14 , wherein the at ...

COMPOSITE FEEDSTOCK STRIPS FOR ADDITIVE MANUFACTURING AND METHODS OF FORMING THEREOF

Provided are composite feedstock strips for additive manufacturing and methods of forming such strips. A composite feedstock strip may include continuous unidirectional fibers extending parallel to each other and to the principal axis of the strip. This fiber continuity yields superior mechanical properties, such as the tensile strength along strip's principal axis. Composite feedstock strips may be fabricated by slitting a composite laminate in a direction parallel to the fibers. In some embodiments, the cross-sectional shape of the slit strips may be changed by reattributing material at least on the surface of the strips and/or by coating the slit strips with another material. This cross-sectional shape change may be performed without disturbing the continuous fibers within the strips. The cross-sectional distribution of fibers within the strips may be uneven with higher concentration of fibers near the principal axis of the strips, for example, to assist with additive manufacturing. 1. A method of forming coated composite feedstock strips for additive manufacturing , the method comprising: the sheet comprising a first resin and fibers extending parallel to each other within the sheet;', 'slitting being performed along a direction parallel to all of the fibers within the sheet, and, 'slitting a sheet into composite feedstock strips,'}coating an outer surface of the composite feedstock strips with a material comprising a second resin thereby forming the coated composite feedstock strips comprising a coating layer disposed over the composite feedstock strips.2. The method of claim 1 , wherein the fibers extending parallel to each other within the sheet are continuous fibers.3. The method of claim 1 , wherein a distribution of the fibers throughout a cross section of the composite feedstock strips is uniform.4. The method of claim 1 , wherein a concentration of the fibers throughout a cross section of the composite feedstock strips is at least about 40% by volume.5. ...

3d printing support structures incorporating sacrificial materials

The present teachings according to various embodiments provides a support material for 3D printing. The support material includes poly(alkylene carbonate) having a decomposition temperature of from 100° C. to about 300° C.

Ni-Based Super Alloy Powder for Laminate Molding

The present invention provides a Ni-based superalloy powder for use in additive manufacturing, including, on the basis of mass %: 0 to 0.2% C; 0.05 to 1.0% Si; 0.05 to 1.0% Mn; 10.0 to 25.0% Cr; 0.01 to 10% Fe; 0.1 to 8.0% Al; 0.1 to 8.0% Ti; 0.002% or less S and/or 0.10% or less N; and the balance being Ni and incidental impurities. The Ni-based superalloy powder of the invention allows production of a good sintered body even during sintering by a rapid melting-rapid solidification process, such as additive manufacturing. 1. Ni-based superalloy powder for use in additive manufacturing , comprising , on the basis of mass %:0 to 0.2% C;0.05 to 1.0% Si;0.05 to 1.0% Mn;10.0 to 25.0% Cr;0.01 to 10% Fe;0.1 to 8.0% Al;0.1 to 8.0% Ti;0.002% or less S and/or 0.10% or less N; andthe balance being Ni and incidental impurities.2. The Ni-based superalloy powder for use in additive manufacturing according to claim 1 , wherein the C content is 0.001 to 0.2% on the basis of mass %.3. The Ni-based superalloy powder for use in additive manufacturing according to claim 1 , further comprising at least one element selected from the group consisting of claim 1 , on the basis of mass (%):0.1 to 12% Mo;0.1 to 10% W;0.1 to 10% Cu;0.1 to 20% Co;0.01 to 0.2% Zr;0.1 to 6.0% Nb;0.1 to 6.0% Ta;0.001 to 0.01% B; and0.1 to 2.0% Hf.4. The Ni-based superalloy powder for use in additive manufacturing according to claim 1 , wherein the powder has a mean particle size (D50) of 10 to 100 μm and a D90 of 150 μm or less.5. The Ni-based superalloy powder for use in additive manufacturing according to claim 2 , further comprising at least one element selected from the group consisting of claim 2 , on the basis of mass (%):0.1 to 12% Mo;0.1 to 10% W;0.1 to 10% Cu;0.1 to 20% Co;0.01 to 0.2% Zr;0.1 to 6.0% Nb;0.1 to 6.0% Ta;0.001 to 0.01% B; and0.1 to 2.0% Hf.6. The Ni-based superalloy powder for use in additive manufacturing according to claim 2 , wherein the powder has a mean particle size (D50) of 10 to ...

PRODUCTS INCORPORATING CARBON NANOMATERIALS AND METHODS OF MANUFACTURING THE SAME

Carbon nanotubes (CNTs), graphene platelets, or other forms of graphene are incorporated into raw materials before products and product components are manufactured from the materials. For example, CNTs may be incorporated into metallic powders, which can be pressed and sintered into metallic products and product components. CNTs or graphene platelets can also be incorporated into plastics, ceramics, metals, or other materials used to construct products and product components by additive manufacturing. When incorporated into the products and product components, the CNTs or graphene platelets can improve various properties of the products and product components, such as thermal conductivity, electrical conductivity, or structural properties. 1. A method comprising:mixing carbon nanomaterials into a liquid matrix or a matrix curable by a physical process to generate a graphene-based material; andmanufacturing a product or product component using the graphene-based material.2. The method of claim 1 , wherein the carbon nanomaterials comprise carbon nanotubes claim 1 , graphene platelets claim 1 , one or more fullerenes claim 1 , or linear acetylenic carbon.3. The method of claim 2 , comprising mixing the carbon nanotubes into the matrix curable by the physical process.4. The method of claim 3 , wherein the matrix comprises a metallic powder claim 3 , and wherein manufacturing the product or the product component using the graphene-based material comprises pressing and sintering the graphene-based material.5. The method of claim 4 , further comprising aligning the carbon nanotubes before sintering.6. The method of claim 3 , wherein the matrix comprises a metallic powder claim 3 , and wherein manufacturing the product or the product component using the graphene-based material comprises additive manufacturing.7. The method of claim 6 , wherein the additive manufacturing comprises printing.8. The method of claim 2 , comprising incorporating the carbon nanotubes into the ...

CLICK-CHEMISTRY COMPATIBLE STRUCTURES, CLICK-CHEMISTRY FUNCTIONALIZED STRUCTURES, AND MATERIALS AND METHODS FOR MAKING THE SAME

According to several embodiments, a composition of matter includes: a three-dimensional structure comprising photo polymerized molecules. At least some of the photo polymerized molecules further comprise one or more protected click-chemistry compatible functional groups; and at least portions of one or more surfaces of the three-dimensional structure are functionalized with one or more of the protected click-chemistry compatible functional groups. An additive manufacturing resin suitable for fabricating a click-chemistry compatible composition of matter includes: a photo polymerizable compound; and a click-chemistry compatible compound. A method of forming an additive manufacturing resin suitable for fabricating a click-chemistry compatible composition of matter includes: reacting a compound comprising a terminal alkyne group or a terminal azide group with a protecting reagent to form a protected reactive diluent precursor, reacting the precursor with a compound to form a protected reactive diluent; and mixing the protected reactive diluent with a photo polymerizable compound. 1. A composition of matter , comprising:a three-dimensional structure comprising photo polymerized molecules;wherein at least some of the photo polymerized molecules further comprise one or more protected click-chemistry compatible functional groups; andwherein at least portions of one or more surfaces of the three-dimensional structure are functionalized with one or more of the protected click-chemistry compatible functional groups.2. The composition of matter as recited in claim 1 , wherein the one or more protected click-chemistry compatible functional groups are selected from a group consisting of: an alkyne coupled to a protecting group and an azide coupled to the protecting group; andwherein the protecting group is selected from a group consisting of: a trimethylsilyl, a triethylsilyl, a t-butyl dimethylsilyl, a triisopropylsilyl, and a 2-(2-hydroxypropyl)alkyne.3. The composition of ...

AGGLOMERATED PARTICLE POWDER FOR ADDITIVE MANUFACTURING

Devices, systems, and methods are directed at spreading sequential layers of powder across a powder bed and applying energy to each layer to form a three-dimensional object. The powder can include granules including agglomerations of metallic particles to facilitate spreading the metallic particles in each layer. The energy can be directed to the powder to reflow the granules in each layer to bind the metallic particles in the layer to one another and to one or more adjacent layers to form the three-dimensional object. Thus, in general, the agglomeration of the metallic particles in the granules can overcome constraints associated with metallic particles that are of a size ordinarily unsuitable for flowing and/or a size that presents safety risks. By overcoming these constraints, the granules can improve formation of dense finished parts from a powder and can result in formation of unique microstructures in finished parts. 1. A powder for additive manufacturing of a three-dimensional object , the powder comprising:first metallic particles; andat least one component of a binder system, the first metallic particles agglomerated in the at least one component of the binder system in the form of discrete granules flowable relative to one another to form a layer having a thickness greater than about 30 microns and less than about 70 microns.2. The powder of claim 1 , wherein the discrete granules are substantially spherical.3. The powder of claim 1 , wherein the first metallic particles include a plurality of materials alloyable with one another.4. The powder of claim 3 , wherein the plurality of materials includes two or more of tungsten claim 3 , copper claim 3 , nickel claim 3 , cobalt claim 3 , and iron.5. The powder of claim 1 , wherein the first metallic particles in respective granules are lightly sintered to one another.6. The powder of claim 1 , wherein the at least one component of the binder system is water soluble to reflow the at least one component of the ...

EDIBLE 3D PRINTER FILAMENT

The present invention relates to an edible 3D printer filament that incorporates an active ingredient such as an oil extract for taste, odor or medicinal benefit, and which is capable of retaining this benefit, despite the repeated thermal extrusion involved in 3D printing. The filament is made by mixing the active ingredient extraction with polyvinylpyrrolidone (PVP), starch, and super disintegrant, and spray drying the result to a powderized form. The powderized water soluble polymer with active ingredient is mixed with excipient ingredients including a plasticizer, colored/dyed arabic gum, a gelling agent, fillers, flour, a binding or thickening agent (which also gives the benefit of being, a stabilizer), a lubricant, and a preservative, and is heated. The result is hot melt extruded into a filament with a diameter of 1.75 mm or 3 mm. When printed, the thermoplastic has good strength, stiffness, and physical properties, and can be 3D-printed in any shape. 1. A method for producing an edible filament for use in a conventional 3D printer , comprising the steps of: obtaining dried plant material,', 'performing an extraction on said plant material to produce an essential oil (active ingredient) therefrom;, 'producing an essential oil by the substeps of'} active ingredient,', 'polyvinylpyrrolidone (PVP),', 'starch, and', 'a super disintegrant;, 'preparing a water soluble polymer compound by mixing;'}spray drying said water soluble polymer compound;mixing and heating said powderized water soluble polymer compound with a plasticizer, colored arabic gum, a gelling agent, filler, flour, a binding or thickening agent, a lubricant, and a preservative, thereby forming an edible thermoplastic;hot-melt extruding said edible thermoplastic through a die to produce a filament; andwinding said filament on a spool.2. The method of claim 1 , wherein said step of hot-melt extruding said edible thermoplastic comprises extruding through a die having a 1.75 mm diameter.3. The method of ...

TAILORING HIGH STRENGTH ALUMINUM ALLOYS FOR ADDITIVE MANUFACTURING THROUGH THE USE OF GRAIN REFINERS

Provided is a method for modifying a metal alloy for use in additive manufacturing. The method includes providing a metal alloy; providing at least one grain refiner; forming a melt pool that includes the at least one metal alloy and the at least one grain refiner; and solidifying at least a portion the melt pool to form a modified alloy. 1. A method for modifying a metal alloy for use in additive manufacturing , comprising:providing at least one metal alloy;providing at least one grain refiner;forming a melt pool comprising the at least one metal alloy and the at least one grain refiner; andsolidifying at least a portion of the melt pool to form a modified alloy.2. The method of claim 1 , wherein the modified alloy comprises up to about 5% by weight of the at least one grain refiner.3. The method of claim 1 , wherein the at least one metal alloy is provided in powder form.4. The method of claim 1 , wherein the at least one grain refiner is provided in powder form.5. The method of claim 1 , wherein the at least one grain refiner comprises a plurality of intermetallic particles.6. The method of claim 1 , wherein the at least one grain refiner comprises a plurality of ceramic particles.7. The method of claim 1 , wherein the at least one grain refiner comprises one or more of TiB claim 1 , TiC claim 1 , TiAl claim 1 , AlBand mixtures thereof.8. The method of claim 1 , wherein the at least one metal alloy comprises an aluminum alloy.9. The method of claim 1 , further comprising combining the at least one metal alloy and the at least one grain refiner prior to forming of the melt pool.10. The method of claim 1 , further comprising depositing a portion of the melt pool in a predetermined pattern.11. The method of claim 1 , wherein an average grain size of the modified alloy is smaller than an average grain size of the metal alloy.12. The method of claim 1 , wherein the at least on grain refiner and the at least one metal alloy are provided to a powder feed system.13. The ...

SUSTAINABLE RECYCLED MATERIALS FOR THREE-DIMENSIONAL PRINTING

A sustainable material suitable for three-dimensional printing is disclosed. The sustainable material comprises a resin derived from recycled polyethylene terephthalate oligomer and a bio-based glycol. The resulting sustainable material provides a robust 3-D printing material. 1. A sustainable three-dimensional printing material comprising a sustainable resin and an optional colorant , wherein the sustainable resin is derived from a bio-based glycol and a recycled polyethylene terephthalate oligomer.2. The material of claim 1 , wherein the sustainable resin is derived from about 5 to about 60 percent by weight of bio-based glycol claim 1 , and from about 40 to about 95 percent by weight of recycled polyethylene terephthalate oligomer claim 1 , provided that the sum of both is 100 percent.3. The material of claim 1 , wherein the recycled polyethylene terephthalate oligomer has a weight average molecule weight (MW) of from about 600 to about 5000.5. The material of claim 1 , wherein the recycled polyethylene terephthalate oligomer is derived from the de-polymerization of PET recycled plastic with a glycol.6. The material of claim 1 , wherein the bio-based glycol is selected from the group consisting of 1 claim 1 ,2-propylene glycol claim 1 , 1 claim 1 ,3-propylene glycol claim 1 , ethylene glycol claim 1 , 2-methyl-1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butane-diol and mixtures thereof.7. The material of claim 1 , wherein the sustainable resin is selected from the group consisting of poly-(1 claim 1 ,2-propylene-terephthalate) claim 1 , poly-(1 claim 1 ,2-ethylene-terephthalate) claim 1 , poly-(1 claim 1 ,3-propylene-terephthalate) claim 1 , poly-(1 claim 1 ,4-butylene-terephthalate) claim 1 , poly-(2-methyl-1 claim 1 ,3-propylene-terephthalate) claim 1 , co-poly (ethylene-terephthalate)-co-poly-(1 claim 1 ,2-propylene-terephthalate) claim 1 , co-poly (ethylene-terephthalate)-co-poly-(1 claim 1 ,3-propylene-terephthalate) claim 1 , co-poly (ethylene- ...

USE OF A THERMOSETTING POLYMERIC POWDER COMPOSITION

The present invention relates to the use of a thermosetting polymeric powder composition in a 3D dry printing process to produce a 3D duroplast object, the composition comprising at least one curable polymeric binder material with free functional groups, wherein during the 3D dry printing process the formed object is only partially cured to a curing degree of below 90%, preferably below 60%, most preferably between 35% and 60%, and the printing process is being followed by a post treatment comprising a heat treatment step to fully cure the printed object into a 3D duroplast object. 115-. (canceled)16. Use of a thermosetting polymeric powder composition in a 3D dry printing process using a purely thermal curing system to produce a 3D duroplast object , the composition comprising at least one curable polymeric binder material with free functional groups , wherein in case an absorber is present , the absorber is blended together with the polymeric powder composition , and wherein during the 3D dry printing process the formed object is only partially cured to a curing degree of below 90% , and the printing process is being followed by a post treatment comprising a heat treatment step to fully cure the printed object into a 3D duroplast object.17. Use according to claim 16 , characterized in that after the heat treatment step the 3D duroplast object has a curing degree of 90% or above.18. Use according to claim 16 , characterized in that the curable polymeric binder material is selected from the group comprising compounds with at least two functional groups comprising carbon-carbon double bonds claim 16 , compounds with at least two epoxy functional groups claim 16 , compounds with at least two carboxylic acid functional groups claim 16 , compounds with at least two hydroxyl functional groups claim 16 , compounds derived from acrylic acid or methacrylic acid and/or mixtures thereof claim 16 , and that after the 3D dry printing process free functional groups of the ...

CUSTOM TITANIUM ALLOY FOR 3-D PRINTING AND METHOD OF MAKING SAME

A Ti-6Al-4V titanium powder alloy composition having enhanced strength resulting from the addition of one or more of the following elements without requiring an increase in oxygen content: 1. An enhanced strength Ti-6Al-4V titanium powder alloy having the following composition by weight percent:Aluminum—6.3 to 6.7%Vanadium—4.2 to 4.5%Iron—0.25 to 0.4%Oxygen—0.1 to 0.13%Nitrogen—0.02 to 0.05%Carbon—0.04 to 0.08%Hydrogen—0 to 0.0125%Other Elements—0 to 0.4%Titanium—Balance.2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. An enhanced strength Ti-6Al-4V titanium alloy starting bar stock having the following composition by weight percent:Aluminum—6.44Vanadium—4.28Iron—0.20Oxygen—0.09Nitrogen—0.04Carbon—0.05Hydrogen—0.002Yttrium—<0.001Titanium—Balance.9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. A method of increasing the strength of Ti-6Al-4V titanium alloy powder or starting bar stock without increasing oxygen content , comprising adding to the powder or starting bar stock one or more of the following elements:AluminumIronNitrogenCarbon,wherein in the case of alloy powder, the addition results in the following weight percent of the elements for the alloy powder:Aluminum—6.3 to 6.7%Iron—0.25 to 0.4%Nitrogen—0.02 to 0.05%Carbon—0.04 to 0.08%; andwherein in the case of starting bar stock, the addition results in the following weight percent of the elements for the starting bar stock:Aluminum—6.3% to 6.7%Iron—0.15% to 0.30%Nitrogen—0.02% to 0.05%Carbon—0.04% to 0.08%.17. (canceled)18. (canceled)19. A 3-D printing method comprising processing the enhanced strength Ti-6Al-4V titanium powder alloy of with a powder-bed printing system based on e-beam claim 1 , a laser direct melt technology claim 1 , or a binder-jet technology claim 1 , to produce a 3-D printed object.20. A 3-D printing method comprising processing a recycled powder alloy of Ti-6Al-4V titanium alloy with a powder-bed ...

A SYSTEM WITH A DYNAMIC VARIABLE SIZE NOZZLE ORIFICE FOR THREE-DIMENSIONAL PRINTING

This invention relates to three-dimensional printing. This invention particularly relates to a system with a dynamic variable size nozzle orifice for three-dimensional printing of objects based on crafting and molding techniques, and a method thereof. The present invention provides a dynamic variable nozzle orifice, where one embodiment uses a nozzle made of a soft flexible material. The soft flexible material, such as rubber, latex or silicone, is such that when the extrusion pressure is high the orifice will enlarge and allow wider extrusion volume for filling large or wide voids. In another scenario, when the extrusion pressure is lower the orifice will be narrower and give precise narrow extrusion to fill smaller voids. Another embodiment uses a method of controlling the orifice size which is by a mechanical means independent of the pressure in the nozzle. Such a method can utilize an iris device for controlling the size of the orifice. By utilizing the function of a dynamic orifice size of the nozzle when depositing a crafting material inside a mold structure as described herein, the printing time can be reduced without a reduction in detailing abilities. Subsequently, the systems and methods of the present invention are useful for fabricating high-quality three-dimensional objects using a crafting paste and molding techniques. 1. A system for three-dimensional printing of an object comprising a dynamic variable size nozzle orifice.2. The system according to for three-dimensional printing of an object from a crafting medium.3. The system according to wherein said nozzle orifice comprises a soft flexible material.4. The system according to wherein said nozzle orifice comprises a soft flexible material selected from the group consisting of rubber claim 1 , latex or silicone.5. The system according to for extruding a crafting medium from said nozzle orifice at a pressure from about 200 kPa to about 10 MPa.6. The system according to wherein said nozzle orifice has ...

MATERIAL FOR HOT MELT EXTRUSION SYSTEM, MODELING MATERIAL FOR 3D PRINTERS, METHOD FOR PRODUCING MODELING MATERIAL FOR 3D PRINTERS, AND THREE-DIMENSIONAL MODEL

A material for a hot melt extrusion method contains at least a cellulose derivative and an additive. The cellulose derivative is cellulose acetate propionate and when a degree of substitution of an acetyl group is X and a degree of substitution of a propionyl group is Y, the cellulose derivative satisfies the following Expression (1) and Expression (2); and the additive contains a plasticizer and a compound A containing a partial structure having a NICS value in the range of −14 or more and −10 or less, 2. The material for a hot melt extrusion method described in claim 1 , wherein the compound A has a benzene ring and a 5-membered heterocycle in the structure.3. The material for a hot melt extrusion method described in claim 1 , wherein a content of the compound A is in the range of 0.1 to 30 mass %.4. A modeling material for a 3D printer that is a monofilament yarn claim 1 , wherein the monofilament yarn contain the material for a hot melt extrusion method described in .5. A method for producing of a modeling material for a 3D printer claim 1 , comprising the steps of:{'claim-ref': {'@idref': 'CLM-00001', '#text': 'claim 1'}, '#text': 'melt-extruding the material for a hot melt extrusion method described in ; and then'}cooling and solidifying the melt-extruded material in the atmosphere or water to form monofilament yarn.6. A three-dimensional shaped article containing the material for a hot melt extrusion method. described in claim 1 , wherein the three-dimensional shaped article has an amount of dimensional change after leaving for 24 hours in an environment of 80° C. and 90% RH within ±5% of a dimensions before leaving the article. The present invention disclosure relates to a material for a hot melt extrusion method, a modeling material for a 3D printer, a method for producing a modeling material for a 3D printer, and a three-dimensional shaped article. More specifically, the present invention relates to a material for a hot melt extrusion method which is ...

SYSTEM OPTIMIZATION USING COMPRESSED RETICULATED FOAM STRUCTURES

Heterogeneously dense (relative density) continuous one-piece insoluble reticulated foam material with a continuous relative density gradient and/or distinct and marked relative densities and methods of manufacture. 1. A heterogeneously dense continuous one-piece insoluble reticulated foam material comprising(a) cells ranging in size and having a maximum diameter of 4 mm and a minimum diameter of 0.35 mm;(b) ligaments having a width of 0.025 mm to 0.7 mm;(c) pores formed by the ligaments; and(d) a relative density within the foam material ranging from at least 3% at a least dense point to 85% dense at a most dense point.2. The heterogeneously dense foam material of claim 1 , wherein the cell diameters have a maximum diameter of 3.72 mm and a minimum diameter of 0.55 mm.3. The heterogeneously dense foam material of claim 1 , wherein the ligament width is 0.028 mm to 0.65 mm.4. The heterogeneously dense foam material of claim 1 , wherein the pore size is 0.025 mm to 0.65 mm.5. The heterogeneously dense foam material of claim 1 , wherein the relative density within the foam material is a continuous gradient that ranges from 10% to 33% and all values therebetween.6. The heterogeneously dense foam material of claim 1 , wherein the relative density within the foam material is a continuous gradient that ranges from 25% and 70% claim 1 , and all values therebetween.7. The heterogeneously dense foam material of claim 1 , wherein the relative density within the foam is not a gradient but has distinct and marked differences.8. The heterogeneously dense foam material of claim 7 , wherein the relative density within the foam is 10% claim 7 , 25% claim 7 , and 33%.9. The heterogeneously dense foam material of claim 7 , wherein the relative density within the foam is 25% and 33%.10. A method of producing the heterogeneously dense material of comprising(a) placing a single piece of homogenously dense insoluble reticulated foam material of less than 6 mm thick in a press and die or ...

System and Method for a Three-Dimensional Optical Switch Display Device

The present invention includes a system, apparatus and method for generating a three-dimensional image and/or printing a three dimensional structures, the system comprising: a medium comprising a photocurable monomer and an optical molecular switch molecule that has a non-fluorescent state and a fluorescent state, wherein the monomer forms a polymer upon exposure to the emitted light. Also taught are novel fluorescent photoswitch molecules. 1. An apparatus for generating a three-dimensional image , the system comprising:a medium comprising an optical molecular switch molecule, wherein the optical molecular switch molecule has a non-fluorescent state and a fluorescent state, wherein at one wavelength of optical excitation the molecule has a first state, and at a second state the optical molecular switch molecule fluoresces at a second wavelength of excitation; andat least a first light source and a second light source into the medium, wherein light emitted by the at least first and second light sources are directed to contact the optical molecular switch molecule;wherein the optical molecular switch molecule is converted into a fluorescent “on state” by irradiation from the first light source, and when the second light source irradiates the optical molecular switch molecule in the “on state” the optical molecular switch molecule emits light.2. The apparatus of claim 1 , wherein at least one of:(a) the first and the second light source intersect the optical molecular switch molecule excites and releases light;(b) the first or the second light source is a pulsed laser thereby to produce an improved voxel to background emission;(c) the first and the second light source scan across the medium, wherein the optical molecular switch molecule that excite and emit light in the medium create the three dimensional image; or(d) the light sources are selected to match the wavelength of excitation of the optical molecular switch molecule, and/or the first, the second or both light ...

FUNCTIONALIZED GRAPHENE OXIDE CURABLE FORMULATIONS

A method of producing functionalized graphene oxide includes mixing graphene oxide with a reactive monomer containing at least one epoxy functional group and a secondary functional group that is selected from vinyl, acrylate, methacrylate, and epoxy to form a mixture, adding an activation agent, heating and stirring the mixture, cooling the mixture, separating the particles from the mixture, and drying the particles to produce functionalized graphene oxide. A method of manufacturing a cured polymer resin using functionalized graphene oxide includes mixing functionalized graphene oxide with a resin precursor to produce a functionalized graphene mixture, wherein the particles contain functional groups nearly identical to, or identical to, a polymer precursor material, adding a curing initiator to the functionalized graphene mixture and mixing to produce a formulation, depositing the formulation into a desired shape, and curing the formulation to form a polymer having functionalized graphene oxide groups in a base polymer material. 1. A method of producing functionalized graphene oxide , comprising:mixing graphene oxide with a reactive monomer containing at least one epoxy functional group and a secondary functional group that is selected from vinyl, acrylate, methacrylate, and epoxy to form a mixture;adding an activation agentheating and stirring the mixture;cooling the mixture;separating the particles from the mixture; anddrying the particles to produce functionalized graphene oxide.2. The method of claim 1 , further comprising washing and filtering the mixture after cooling.3. The method of claim 1 , wherein dispersing the graphene oxide with a reactive monomer includes using a solvent that can disperse both graphene oxide and reactive monomer.4. The method of claim 3 , further comprising evaporating the solvent before the heating and stirring.5. The method of claim 1 , wherein the heating and stirring includes using milling medium.6. The method of claim 1 , wherein ...

Debinder For 3D Printed Objects

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution. 1. A debinder system comprising:a storage chamber configured to store a liquid solvent for debinding a green part;a process chamber configured to debind the green part using a volume of the liquid solvent transferred from the storage chamber;a distill chamber configured to collect a solution drained from the process chamber and produce a solvent vapor from the solution;a condenser configured to condense the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber; anda waste chamber coupled to the distill chamber and configured to collect a waste component of the solution.2. The system of claim 1 , further comprising a controller configured to determine parameters of the debinding based on properties of the green part.3. The system of claim 2 , wherein the parameters include at least one of debind time claim 2 , circulation of the solvent claim 2 , and solvent exchange during the debind.4. The system of claim 2 , wherein the properties of the green part include at least one of geometry and mass.5. The system of claim 2 , wherein the controller is further configured to instruct a user regarding positioning of the green part within the process chamber.6. The system of claim 1 , wherein the waste chamber is removably coupled to the distill chamber ...

Systems, devices, and methods for starting plasma

Some embodiments herein are directed to devices and methods for automatically starting a plasma utilizing a wand. In some embodiments, the wand may be used to start a plasma in a plasma torch such as, for example, a microwave plasma torch or an induction plasma torch, as discussed below. The wand may comprise an elongate, hollow wand member comprising a closed distal end, a proximal end, and one or more apertures extending from a hollow interior of the wand member to an exterior surface of the wand member; and an elongate wire member positioned within the hollow interior of the wand member and extending along at least a portion of a length of the wand member, wherein the wire member is configured to be placed in operable communication through the aperture with a power source, such that the power source can be activated to in turn start the plasma within the plasma torch. The plasma torches discussed herein may be used in various applications including, for example, high volume synthesis of advanced materials such as nano-materials, micro-powders, coatings, alloy compositions for additive manufacturing.

Additive Manufactured Powder Processing System

A system for treatment of atomized powder including a fluidized bed operable to treat feedstock alloy powders. A method of treating atomized powder including communicating an inert gas into a fluidized bed; communicating an atomized powder into the fluidized bed; and heating the atomized powder in the fluidized bed, eject the treated powders out of the fluidized bed to quench the powders. 1. A system for treatment of atomized powder , comprising:a fluidized bed operable to heat treat feedstock alloy powders, the feedstock alloy powders heat treated for microstructure control to condition the feedstock alloy powders into a state to facilitate solid-state consolidation, the fluidized bed receiving an inert gas;a quenching reservoir in communication with the fluidized bed;a three-way valve in communication with the quenching reservoir;a fine powder collector in communication with the three-way valve; anda water bubbler in communication with the three-way valve, the inert gas exiting from the fluidized bed to the water bubbler.2. The system as recited in claim 1 , wherein the feedstock alloy powders are degassed.3. The system as recited in claim 1 , further comprising an inert gas in communication with the fluidized bed.4. (canceled)5. (canceled)6. The system as recited in claim 1 , further comprising a quenching powder collector in communication with the three-way valve.7. The system as recited in claim 1 , further comprising a vibrator in communication with the fluidized bed and the line to a quenched powder collector to facilitate to eject the atomized powder.815-. (canceled) This application is a divisional of U.S. patent application Ser. No. 15/144,992, filed May 3, 2016.This invention was made with Government support awarded by the United States. The Government has certain rights in this invention.The present disclosure relates to additive manufacturing and, more particularly, to processing additive manufacturing feedstock powder.Precision engineered parts such as ...

FABRICATION OF METALLIC PARTS BY ADDITIVE MANUFACTURING

In various embodiments, metallic alloy powders are utilized as feedstock, or to fabricate feedstock, utilized in additive manufacturing processes to form three-dimensional metallic parts. 125- (canceled)26. A powder comprising:a plurality of substantially spherical composite particles each comprising a mixture and/or alloy of a first constituent metal and one or more second constituent metals,{'claim-text': ['the particles have a Hall flow rate ranging from approximately 1 s/50 g to approximately 25 s/50 g,', 'each of the particles comprises a plurality of grains surrounded by a matrix, the grains comprising the first constituent metal, and the matrix comprising the one or more second constituent metals,', 'the first constituent metal is selected from the list consisting of tungsten, niobium, tantalum, rhenium, molybdenum, iron, nickel, cobalt, vanadium, palladium, zirconium, and yttrium, and', 'each second constituent metal is different from the first constituent metal and selected from the list consisting of tungsten, niobium, tantalum, rhenium, molybdenum, iron, nickel, cobalt, vanadium, palladium, zirconium, and yttrium.'], '#text': 'wherein:'}27. The powder of claim 26 , wherein each of the particles comprises 90% or more of the first constituent metal.28. The powder of claim 26 , wherein the first constituent metal is tungsten.29. The powder of claim 26 , wherein the one or more second constituent metals comprise at least one of nickel claim 26 , iron claim 26 , or cobalt.30. The powder of claim 26 , wherein the particles have a particle-size distribution d10 between 2 microns and 8 microns claim 26 , d50 between 15 microns and 25 microns claim 26 , and d90 between 50 microns and 70 microns claim 26 , wherein a particle-size distribution dX of Y denotes that X % of particles have a size less than Y.31. The powder of claim 26 , wherein a bulk density of the powder is approximately 45% or more of the theoretical density.32. The powder of claim 26 , wherein the ...

Spherical Tantalum Powder, Products Containing The Same, And Methods Of Making The Same

Tantalum powder that is highly spherical is described. The tantalum powder can be useful in additive manufacturing and other uses. Methods to make the tantalum powder are further described as well as methods to utilize the tantalum powder in additive manufacturing processes. Resulting products and articles using the tantalum powder are further described. 1. Tantalum powder comprisinga. a spherical shape wherein the powder has an average aspect ratio of from 1.0 to 1.25;b. a purity of tantalum of at least 99.99 wt % Ta based on total weight of said tantalum powder, excluding gas impurities;c. an average particle size of from about 0.5 micron to about 250 microns;d. an apparent density from about 4 g/cc to about 12.3 g/cc;e. a true density of from 16 g/cc to 16.6 g/cc; andf. a Hall flow rate of 20 sec or less.2. The tantalum powder of claim 1 , wherein said tantalum powder is plasma heat-treated.3. The tantalum powder of claim 1 , wherein said tantalum powder has an oxygen level of less than 400 ppm.4. The tantalum powder of claim 1 , wherein said tantalum powder has an oxygen level of from 20 ppm to 250 ppm.5. The tantalum powder of claim 1 , wherein said tantalum powder wherein said average aspect ratio is from 1.0 to 1.1.6. The tantalum powder of claim 1 , wherein said tantalum powder wherein said average aspect ratio is from 1.0 to 1.05.7. The tantalum powder of claim 1 , wherein said purity is at least 99.995 wt % Ta.8. The tantalum powder of claim 1 , wherein said average particle size is from about 0.5 micron to about 10 microns.9. The tantalum powder of claim 1 , wherein said average particle size is from about 5 microns to about 25 microns.10. The tantalum powder of claim 1 , wherein said average particle size is from about 15 microns to about 45 microns.11. The tantalum powder of claim 1 , wherein said average particle size is from about 35 microns to about 75 microns.12. The tantalum powder of claim 1 , wherein said average particle size is from about 55 ...

RESIN POWDER, METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT, AND DEVICE FOR MANUFACTURING SOLID FREEFORM FABRICATION OBJECT

A resin powder contains a resin containing particles, wherein the proportion of the particles in an aspect ratio range X represented by the following inequality 1 is 50 percent by number or more in a number distribution of an aspect ratio of the resin powder: A50−1≤X≤A50+1 Inequality 1, where A50 represents a median of the aspect ratio. 1. A resin powder comprising:a resin comprising particles,wherein a proportion of the particles in an aspect ratio range X represented by the following inequality 1 is 50 percent by number or more in a number distribution of an aspect ratio of the resin powder: A50−1≤X≤A50+1 Inequality 1, where A50 represents a median of the aspect ratio.2. The resin powder according to claim 1 , wherein the proportion of the particles in the aspect ratio range X is 70 percent by number or more.3. The resin powder according to claim 1 , wherein the proportion of the particles in the aspect ratio range X is 90 percent by number or more.4. The resin powder according to claim 1 , wherein a proportion of the particles in an aspect ratio range Y represented by the following inequality 2 is 90 percent by number or more in the number distribution of the aspect ratio of the resin powder:{'br': None, 'i': A', 'Y≤A, '50−0.5≤50+1 \u2003\u2003Inequality 2.'}5. The resin powder according to claim 1 , wherein a proportion of the particles in an aspect ratio range Z represented by the following inequality 3 is 80 percent by number or more in the number distribution of the aspect ratio of the resin powder:{'br': None, 'i': A', 'Z≤A, '50−0.5≤50+0.5 \u2003\u2003Inequality 3.'}6. The resin powder according to claim 1 , wherein the particles have a columnar form.7. The resin powder according to having an average circularity of from 0.60 to 0.95.8. The resin powder according to claim 1 , wherein each of the particles has at least one surface and the surface has a maximum length having a 50 percent or greater of a particle diameter of the each of the particles.9. The ...

3d printing support structures incorporating sacrificial materials

The present teachings according to various embodiments provides a support material for 3D printing. The support material includes poly(alkylene carbonate) having a decomposition temperature of from 100 ° C. to about 300 ° C.

CURABLE RESIN COMPOSITION FOR THREE-DIMENSIONAL MOLDING

A curable resin composition for three-dimensional molding including a cationic polymerizable compound (A); an inorganic particle (B); and a curing agent (C), in which a flexural modulus of a cured product obtained by polymerizing a composition consisting of the cationic polymerizable compound (A) and the curing agent (C) is 2.0 GPa or more, the inorganic particle (B) has a layered crystal structure, a content of the inorganic particle (B) is 10 parts by mass or more and 30 parts by mass or less, relative to total 100 parts by mass of the cationic polymerizable compound (A) and the inorganic particle (B), and the curable resin composition having a thickness of 200 μm has a light transmittance including forward scattering of 0.1% or more at a wavelength of 365 nm or 405 nm. 1. A curable resin composition for three-dimensional molding , comprising:a cationic polymerizable compound (A);an inorganic particle (B); anda curing agent (C),wherein a flexural modulus of a cured product obtained by polymerizing a composition consisting of the cationic polymerizable compound (A) and the curing agent (C) is 2.0 GPa or more,the inorganic particle (B) has a layered crystal structure, a content of the inorganic particle (B) is 10 parts by mass or more and 30 parts by mass or less, relative to total 100 parts by mass of the cationic polymerizable compound (A) and the inorganic particle (B), andthe curable resin composition having a thickness of 200 μm has a light transmittance including forward scattering of 0.1% or more at a wavelength of 365 nm or 405 nm.2. The curable resin composition for three-dimensional molding according to claim 1 ,wherein a content of the curing agent (C) is 0.1 parts by mass or more and 15 parts by mass or less relative to 100 parts by mass of the cationic polymerizable compound (A).3. The curable resin composition for three-dimensional molding according to claim 2 ,wherein the flexural modulus of the cured product obtained by polymerizing the composition ...

METHOD FOR PRODUCING RESIN PARTICLES

Provided is a method for producing resin particles by melt-kneading with a non-water-soluble resin in a wide range of melt-kneading temperature according to the melting point or glass transition temperature of the resin. This production method includes melt-kneading a water-soluble matrix, containing a modified polyvinyl alcohol-based resin, and a non-water-soluble resin to form a pre-molded article in which the non-water-soluble resin is dispersed in particulate; and bringing the pre-molded article into contact with an aqueous solvent to elute the matrix. The modified polyvinyl alcohol-based resin contains in a side chain thereof an alkyl group including at least one hydroxyl group (for example, a 1,2-dihydroxyalkyl group). 1. A method for producing resin particles comprising melt-kneading a water-soluble matrix , containing a water-soluble polyvinyl alcohol-based resin , and a non-water-soluble resin to form a pre-molded article in which the non-water-soluble resin is dispersed in particulate form in the matrix; and bringing the pre-molded article into contact with an aqueous solvent to elute the matrix;wherein the water-soluble polyvinyl alcohol-based resin comprises a modified polyvinyl alcohol-based resin comprising a side chain comprising an alkyl group or alkyl chain, the alkyl group or alkyl chain comprising at least one hydroxyl group; andthe resin particles are produced by a method (A) and/or (B) below:(A) melt-kneading at a temperature above 220° C. to produce the resin particles;(B) producing resin particles having a volume average particle size of greater than 5 μm.2. The method according to claim 1 , wherein the modified polyvinyl alcohol-based resin comprises in a side chain thereof a hydroxyl group-containing alkyl group of (a1) and/or (a2) below:(a1) an alkyl group comprising a primary hydroxyl group;(a2) an alkyl group comprising a primary hydroxyl group and a secondary hydroxyl group.4. The method according to claim 1 , wherein the modified ...

NANOPARTICLES AND FORMULATIONS FOR PRINTING

A method for generating reactive species in a medium in which light irradiates the medium including a nanoparticle. A photoinitiator composed of semiconductor nanoparticles for photo-polymerization and 2D and 3D printing. 1. A method for generating reactive species in a medium , the method comprising light irradiating a medium comprising nanoparticle , optionally in the presence of at least one material susceptible to photocatalytic conversion , wherein the nanoparticle is:a semiconductor nanoparticle coated with a plurality of inorganic ligands on its surface; ora semiconductor heterostructure coated with a plurality of inorganic and/or organic ligands on its surface; ora Type-1 semiconductor heterostructure coated with inorganic and/or organic ligands on its surface; ora semiconductor-metal hybrid nanoparticle coated with a plurality of inorganic ligands on its surface.25.-. (canceled)6. The method according to claim 1 , wherein the medium is an organic solvent-free solution.7. The method according to claim 1 , wherein the reactive species is formed in the presence of at least one material susceptible to photocatalytic conversion claim 1 , in the absence of a solvent.89.-. (canceled)10. The method according to claim 1 , being a method of photopolymerization claim 1 , or a method of photodynamic therapy claim 1 , or a method of inducing antibacterial activity claim 1 , or a method of diagnostic based on ROS formation claim 1 , or a method of water purification or a method of waste consumption.11. The method according to claim 1 , wherein the nanoparticle is a Type-1 nanoparticle surface-associated with inorganic ligands.12. The method according to claim 1 , wherein the nanoparticle is a Type-1 semiconductor heterostructure coated with inorganic ligands on its surface claim 1 , and wherein the medium is solvent free.1314.-. (canceled)15. A photoinitiator in the form of at least one nanoparticle surface-coated with inorganic ligands claim 1 , the at least one ...

PHOTOCURABLE COMPOSITION AND METHOD OF MANUFACTURING THREE-DIMENSIONAL OBJECT

A photocurable composition which can be used to manufacture a three-dimensional object that is formed by stacking a plurality of layers on top of each other, from which the three-dimensional object having excellent transparency, a high glass transition temperature, and a high hardness can be formed, and which exhibits a high curing rate. The photocurable composition is a photocurable composition used to manufacture a three-dimensional object that is formed by stacking a plurality of layers on top of each other. The photocurable composition contains a monofunctional monomer having a polycyclic aliphatic group, a polyfunctional monomer, an alcohol, and an acylphosphine oxide photopolymerization initiator. 1. A photocurable composition used to manufacture a three-dimensional object which is formed by stacking a plurality of layers on top of each other , the photocurable composition comprising:a monofunctional monomer having a polycyclic aliphatic group;a polyfunctional monomer;an alcohol; andan acylphosphine oxide photopolymerization initiator.3. The photocurable composition according to claim 1 , wherein the polyfunctional monomer has a density of at least 1.00.6. The photocurable composition according to claim 1 , wherein a weight ratio of the acylphosphine oxide photopolymerization initiator to the alcohol is 0.1-10.7. The photocurable composition according to claim 1 , wherein the photocurable composition has an internal transmittance per 1 cm thickness at 385 nm of less than 1% claim 1 , andwherein the three-dimensional object formed by using the photocurable composition has an internal transmittance per 1 cm thickness at 385 nm of at least 85%.8. The photocurable composition according to claim 1 , wherein the three-dimensional object is an optical member.9. A three-dimensional object-manufacturing method claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a step A of manufacturing a stacked object having a plurality of cured layers stacked on ...

METHOD OF 3D PRINTING, AND RESULTING ARTICLE HAVING POROUS STRUCTURE

A composition for three-dimension (3D) printing, a method for 3D printing, and a resulting article having porous structure are provided. Such a composition includes from 50% to 100%o by weight of a base polymer comprising polyolefin (such as ultra-high molecular weight polyethylene), from 0% to 50% by weight of a glue polymer (such as HDPE or PP), and optionally additive. A composition can be applied in a layer, and the base polymer and the glue polymer each has a predetermined size or size distribution. The composition is sintered in a selected area to form a layer of a solid article, which has a predetermined pore size or pore size distribution. The predetermined particle size or size distribution for each of the base polymer and the glue polymer is determined through computer simulation based on the predetermined pore size or pore size distribution in the layer of the solid article. 1. A composition , comprising:from 50% to 100% by weight of a base polymer, the base polymer comprising a polyolefin and having a particle size in a range of from about 5 microns to about 600 microns; andfrom 0% to 50% by weight of a glue polymer, the glue polymer having a particle size in a range from about 1 micron to about 250 microns.2. The composition of claim 1 , wherein the base polymer comprises ultra-high molecular weight polyethylene (UHMWPE).3. The composition of claim 1 , wherein the glue polymer comprises high density polyethylene (HDPE) or polypropylene (PP).4. The composition of claim 1 , wherein the base polymer and the glue polymer have a spherical claim 1 , near-spherical claim 1 , or potato shape.5. The composition of claim 1 , wherein the base polymer has an average particle size equal to or lower than 300 microns claim 1 , and the glue polymer may have an average particle size equal to or lower than 250 microns.6. The composition of claim 1 , wherein the base polymer has an average particle size is larger than that of the glue polymer.7. The composition of claim 1 ...

3D PRINTED ZEOLITE MONOLITHS FOR CO2 REMOVAL

Carbon dioxide (CO) capture materials comprising one or more 3D-printed zeolite monoliths for the capture and or removal of COfrom air or gases in enclosed compartments, including gases or mixtures of gases having less than about 5% CO. Methods for preparing 3D-printed zeolite monoliths useful as COcapture materials and filters, as well as methods of removing COfrom a gas or mixture of gases in an enclosed compartment using 3D-printed zeolite monoliths are provided. 1. A COcapture material comprising one or more zeolite monoliths , the one or more zeolite monoliths comprising:a zeolite material selected from the group consisting of a 13X zeolite material and a 5A zeolite material; andone or more binders.2. The COcapture material according to claim 1 , wherein the one or more zeolite monoliths is prepared layer by layer using a 3D printer.3. The COcapture material according to claim 1 , wherein the one or more zeolite monoliths comprises at least 80 wt % zeolite material.4. The COcapture material according to claim 1 , wherein the one or more binders is selected from the group consisting of bentonite clay claim 1 , methyl cellulose claim 1 , and any combination thereof.5. The COcapture material according to claim 1 , wherein the one or more binders comprises from about 7 wt % to about 15 wt % of the at least one zeolite monolith.6. The COcapture material according to claim 1 , wherein the one or more zeolite monoliths further comprises a polyvinyl alcohol co-binder.7. The COcapture material according to claim 1 , wherein the one or more binders comprises from about 7 wt % and about 15 wt % bentonite clay and from about 2.0 wt % and about 3.5 wt % methyl cellulose.8. The COcapture material according to claim 1 , wherein the one or more zeolite monoliths exhibits a mesopore volume of at least about 0.009 cm/g.9. The COcapture material according to claim 1 , wherein the one or more zeolite monoliths has a mesoporosity of from about 0.009 cm/g to about 0.020 cm/g.10. The ...

TITANIUM-TANTALUM POWDERS FOR ADDITIVE MANUFACTURING

A method of making an atomized spherical β-Ti/Ta alloy powder for additive manufacturing, having the steps of: a) blending elemental Ti and Ta powders to form a Ti—Ta powder composition; b) hot-isostatically pressing said powder composition to form an Ti—Ta electrode; and c) processing said Ti—Ta electrode by electrode induction melting gas atomization (EIGA) to produce an atomized spherical Ti—Ta alloy powder. A true spherical Ti-50 wt % Ta alloy powder, the product obtained by the process having the steps of: (a) blending elemental Ti and Ta powders to form a 50 wt %-50 wt % Ti—Ta powder composition; b) hot-isostatically pressing said powder composition to form a Ti—Ta electrode; and c) processing said Ti—Ta electrode by electrode induction melting gas atomization (EIGA) to produce an atomized spherical Ti-50 wt % Ta powder comprising spherical β-Ti/Ta alloy particles. 1. A method of making an atomized spherical β-Ti/Ta alloy powder for additive manufacturing , the method comprising the steps of:a) blending elemental Ti and Ta powders to form a Ti—Ta powder composition;b) hot-isostatically pressing said powder composition to form a Ti—Ta electrode; andc) processing said Ti—Ta electrode by electrode induction melting gas atomization (EIGA) to produce an atomized spherical Ti—Ta alloy powder.2. The method as in claim 1 , wherein said elemental Ti and Ta powders are blended to at least a 50 wt %-50 wt % composition.3. The method as in claim 1 , wherein said elemental Ti and Ta powders are blended to at least a 20 wt %-80 wt % composition.4. The method as in claim 1 , wherein said step of hot-isostatically pressing is carried out at about 1073K and 180 MPa.5. The method as in claim 1 , wherein said atomized spherical Ti—Ta alloy powder comprises at least Ti-50 wt % Ta.6. The method as in claim 5 , wherein said Ti-50 wt % Ta atomized spherical Ti—Ta alloy powder comprises spherical β-Ti/Ta alloy particles.7. The method as in claim 6 , wherein said spherical β-Ti/Ta ...

FLUIDIZED-BED PROCESS FOR MANUFACTURING A FIBROUS MATERIAL PREIMPREGNATED WITH THERMOPLASTIC POLYMER

The invention relates to a process for manufacturing a preimpregnated fibrous material containing a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix, wherein the preimpregnated fibrous material is produced as a single unidirectional tape or of a plurality of parallel unidirectional tapes and wherein the process includes a step of impregnating, in particular fully and homogeneously, the fibrous material that is in the form of a roving or of several parallel rovings with the at least one thermoplastic polymer matrix that is in powder form, the impregnating step being carried out by a dry route in a tank and the control of the amount of the at least one thermoplastic polymer matrix in said fibrous material being achieved by control of the residence time of said fibrous material in the powder, with the exclusion of any electrostatic process with intentional charging. 1. A process for manufacturing a preimpregnated fibrous material comprising a fibrous material made of continuous fibers and at least one thermoplastic polymer matrix , wherein said preimpregnated fibrous material is produced as a single unidirectional tape or as a plurality of parallel unidirectional tapes and wherein said process comprises a step of impregnating a fibrous material , that is in the form of a roving or of several parallel rovings , with said at least one thermoplastic polymer matrix having the form of a powder , said impregnating step being carried out by a dry route in a tank and the control of the amount of said at least one thermoplastic polymer matrix in said fibrous material being achieved by control of the residence time of said fibrous material in the powder , with the exclusion of any electrostatic process with intentional charging , the volume mean diameter D50 of particles of the powder of the thermoplastic polymer matrix being from 30 to 300 μm.2. The process as claimed in claim 1 , wherein the content of fibers in said impregnated fibrous ...

PASTE-LIKE COMPOSITION AND METHOD FOR PRODUCING THREE-DIMENSIONAL STRUCTURES OR STRUCTURAL ELEMENTS ON SUBSTRATE SURFACES

A pasty composition for the manufacture of three-dimensional structures or structural elements on the surface of a substrate is formed together with a polymer as an organic component B1, and a powdery material that makes up a proportion of solid in the range of 60 mass % to 95 mass % in the composition, and 1. A pasty composition for the manufacture of three-dimensional structures or structural elements on the surface of a substrate having a polymer as an organic component B1 , and a powdery material that makes up a proportion of solid in the range of 60 mass % to 95 mass % in the composition , andat least two mutually different solvents C1 and C2 that form a solvent mixture, whereina first solvent C1 has a boiling temperature that is lower than the boiling temperature of the further solvent or solvents C2.2. A composition in accordance with claim 1 , characterized in that a plasticizer/softener/leveling agent/wetting and dispersion additive B2 is additionally contained.3. A composition in accordance with claim 1 , characterized in that a first solvent C1 is selected from hexane claim 1 , cyclohexane claim 1 , methyl acetate claim 1 , ethyl acetate claim 1 , benzene claim 1 , methyl ethyl ketone claim 1 , isopropanol claim 1 , ethanol claim 1 , and methanol; and/ora further solvent C2 is selected from butyl carbitol, monoethylene glycol, diethylene glycol, 1,2-propanediol, butanol, 3-methoxy-1-butanol, terpene oil, or pine oil; and/oran organic polymer B1 is selected from ethyl cellulose of the type N-4 to N-300, methyl methacrylates, n-butyl methacrylates, acrylic polymers and alkyd resins; and/ora plasticizer/softener/leveling agent/wetting and dispersion additive B2 is selected from 1,2,3,4-tetrahydronaphthalene, dimethyl cyclohexyl phthalate, naphthalene, N-oleoylsarcosine, 1,2-cyclohexane dicarboxylic acid diisononylester, 2,4,7,9-tetramethyl-5-decyne-4,7-diol, trihydroxystearin, octadecylamine, triethanolamine, oleic acid and/or stearic acid.4. A composition ...

RAPID AZEOTROPIC PHOTO-COPOLYMERIZATION OF STYRENE AND METHACRYLATE DERIVATIVES AND USES THEREOF

A composition of matter includes a mixture of styrene derivative monomers and methacrylate/acrylate derivative monomers, which have one or more urethane, carbamate, amide, and/or amine functional groups, and initiators, and the compositions are used to achieve composition control of the forming polymer, with the mole fraction of acrylate/methacrylate and styrene moieties in the forming polymer determined preferably by the chemistry and composition of the feeding monomers rather than the viscosity of the monomers. 1. A composition of matter , comprising:two or more vinyl-containing monomer(s); andone or more initiators, wherein the two or more vinyl-containing monomers undergo vinyl conversion to form a composition-controlled resin.2. The composition of matter of claim 1 , wherein:the two or more vinyl-containing monomer(s) are chosen from a group consisting of mixtures of methacrylate derivatives and styrene derivatives, and mixtures of acrylate derivatives and styrene derivatives; andthe methacrylate and styrene moieties or the acrylate and styrene moieties are in a same monomer or different monomers.3. The composition of matter of claim 1 , wherein one or more of the vinyl-containing monomer(s) have functional groups selected from a group consisting of:one or more carbamate groups and/or derivatives;one or more urethane groups and/or derivatives; andone or more amine groups and/or derivatives.4. The composition of matter of claim 1 , wherein the initiators are selected from a group consisting of:photo-initiator(s) including camphorquinone or derivatives,a combination of camphorquinone or derivatives and amine(s), including ethyl-4-N,N-dimethyl-aminobenzonate; orPhenylpropanedione or derivatives, including 1-phenyl-1,2-propanedione; orBisacrylphosphine oxide or derivatives, including bis(2,4,6-trimethylbenzoyl)-phenylphosphineoxide (Irgacure 819), bis(2,6-dimethoxy benzoyl)-trimethylpentyl phosphine oxide, and 1-hydroxycyclohexyl phenyl ketone, wherein the ...

Systems and methods for synthesis of spheroidized metal powders

Disclosed herein are embodiments of systems and method for processing feedstock materials using microwave plasma processing. Specifically, the feedstock materials disclosed herein pertain to metal powders. Microwave plasma processing can be used to spheroidize the metal powders and form metal nitride or metal carbide powders. The stoichiometry of the metal nitride or metal carbide powders can be controlled by changing the composition of the plasma gas and the residence time of the feedstock materials during plasma processing.

DIELECTRIC ELASTOMERIC MATERIAL

A dielectric elastomeric material having a permittivity of 20-65 at 10Hz is provided. The dielectric elastomeric material is formed from a composition comprising: a polymer comprising at least one acrylate monomer; a cross-linker; and a photoinitiator. A conductive elastomer comprising the dielectric elastomeric material, as well as a method of forming the dielectric elastomeric material, are also provided.

BIOCOMPOSITIONS FOR 3D PRINTING

The present disclosure is directed to resins and to polymers, copolymers, and blends formed therefrom. 2. The compound of claim 1 , wherein each of Rand Rare H.3. The compound of claim 2 , wherein Ris a C-Calkyl group.4. The compound of claim 2 , wherein Ris —(CH)— claim 2 , where p is an integer ranging from 1 to 8.5. The compound of claim 2 , wherein Ris —NH— claim 2 , and Ris —(CH)— claim 2 , where n is an integer ranging from 1 to 4.8. The compound of claim 7 , wherein each of Rand Rare H.9. The compound of claim 8 , wherein Ris a C-Calkyl group.10. The compound of claim 8 , wherein Ris —(CH)— claim 8 , where p is an integer ranging from 1 to 8.11. The compound of claim 8 , wherein Ris —NH— claim 8 , and Ris —(CH)— claim 8 , where n is an integer ranging from 1 to 4.14. The compound of claim 13 , wherein each of Rand Rare H.15. The compound of claim 14 , wherein each of Rand Rare 0.16. The compound of claim 14 , wherein each of Ris a C-Calkyl group.17. The compound of claim 14 , wherein each of Ris —C(O)—.19. A medical device comprised of a material derived from the resin of .20. The medical device of claim 19 , wherein the medical device is selected from the group consisting of a biodegradable pouch claim 19 , a surgical mesh claim 19 , a perforated mesh or structure claim 19 , and a drug delivery capsule. The present application claims the benefit of the filing date of U.S. Provisional Patent Application 62/566,120 filed Sep. 29, 2017, the disclosure of which is hereby incorporated by reference herein in its entirety.Three-dimensional printing is a type of computer-based printing that creates a three-dimensional object by progressively depositing material onto a substrate (i.e., a printable surface). The concept of three-dimensional printing has been around for over thirty years, but availability of the technology has been limited commercially until the last several years. In many current three-dimensional printing systems, an ink-jet-type printer is used to ...

Process For Manufacturing Metal Parts Using Deployable Manufacturing Center (DMC) System

A deployable manufacturing center (DMC) system includes a foundry module containing a metallurgical system configured to convert a raw material into an alloy powder, and an additive manufacturing (AM) module containing an additive manufacturing system configured to form the alloy powder into metal parts. The deployable manufacturing center (DMC) system can also include a machining module containing a machining system configured to machine the metal parts into machined metal parts, and a quality conformance (QC) module containing an inspection and evaluation system configured to inspect and evaluate the metal parts. A process for manufacturing metal parts includes the steps of providing the deployable manufacturing center (DMC) system; deploying the (DMC) system to a desired location; forming an alloy powder from a raw material using the deployable foundry module; and then forming the metal parts from the alloy powder using the additive manufacturing (AM) module. 1. A process for manufacturing metal parts comprising:providing a deployable manufacturing center (DMC) system comprising a foundry module comprising a first container containing a metallurgical system configured to convert a raw material into an alloy powder, and an additive manufacturing (AM) module comprising a second container containing an additive manufacturing system configured to build rough parts from the alloy powder;deploying the deployable manufacturing center (DMC) system to a desired location;forming the alloy powder from the raw material using the foundry module; andforming the rough metal parts from the alloy powder using the additive manufacturing (AM) module.2. The process of further comprising providing a machining module comprising a third container containing machinery configured to machine the rough metal parts claim 1 , and then machining the rough metal parts into machined metal parts using the machining module.3. The process of further comprising providing a quality conformance (QC) ...

METHOD FOR SELECTIVE LASER SINTERING, USING THERMOPLASTIC POLYMER POWDERS

The present invention relates to a process for producing a three-dimensional component by means of selective laser sintering (SLS), wherein a processing temperature Tis established in a build chamber, and a powder layer consisting of a thermoplastic polymer powder is provided in the build chamber. The thermoplastic polymer powder comprises a blend of a semicrystalline polymer, an amorphous polymer and a polymeric compatibilizer. The polymer powder is then melted in a spatially resolved manner by means of a directed beam of electromagnetic radiation, wherein binding of the regions of the melted and resolidified polymer layer by layer in multiple steps affords a three-dimensional component. In the process of the invention, the temperature in the build chamber during the performance of the individual steps varies by not more than +/−10% from the processing temperature Tset. In addition, the processing temperature Tdiffers by not more than +/−20 K from the processing temperature Tof a polymer powder comprising the corresponding semicrystalline polymer as the sole polymeric component. 1. A process for producing a three-dimensional component by means of selective laser sintering , comprising the steps of:{'sub': 'x', 'claim-text': (A) 10% to 89.9% by weight, based on the overall polymer powder P, of at least one semicrystalline polymer A;', '(B) 10% to 89.9% by weight, based on the overall polymer powder P, of at least one amorphous polymer B;', '(C) 0.1% to 20% by weight, based on the overall polymer powder P, of at least one compatibilizer C;', '(D) optionally 0% to 5% by weight, based on the overall polymer powder P, of at least one additive and/or auxiliary;', 'where the sum total of the percentages by weight of components A, B, C and optionally D together is 100% by weight;', 'and where the semicrystalline polymer A, the amorphous polymer B and the compatibilizer C are in the form of a polymer blend;, 'x) setting a processing temperature Tin a build chamber and ...

PROCESS AND APPARATUS FOR PRODUCING POWDER PARTICLES BY ATOMIZATION OF A FEED MATERIAL IN THE FORM OF AN ELONGATED MEMBER

The present disclosure relates to a process and an apparatus for producing powder particles by atomization of a feed material in the form of an elongated member such as a wire, a rod or a filled tube. The feed material is introduced in a plasma torch. A forward portion of the feed material is moved from the plasma torch into an atomization nozzle of the plasma torch. A forward end of the feed material is surface melted by exposure to one or more plasma jets formed in the atomization nozzle. The one or more plasma jets being includes an annular plasma jet, a plurality of converging plasma jets, or a combination of an annular plasma jet with a plurality of converging plasma jets. Powder particles obtained using the process and apparatus are also described. 126-. (canceled)27. An apparatus for producing powder particles by atomization of a feed material in the form of an elongated member , comprising an inductively coupled plasma torch with a longitudinal axis and including:a coaxial injection probe at a first end of the inductively coupled plasma torch for introducing the elongated member of feed material axially into the plasma torch; andan atomization nozzle at a second end of the plasma torch opposite the first end, wherein the atomization nozzle comprises an aperture coaxial with the longitudinal axis for receiving the elongated member of feed material from the coaxial injection probe, and wherein the atomization nozzle is configured for producing, using plasma from the inductively coupled plasma torch, at least one feed material atomizing plasma jet for surface melting and atomizing feed material of a forward end of the elongated member by exposure to the at least one feed material atomizing plasma jet.28. (canceled)29. The apparatus of claim 27 , comprising a preheating zone for preheating a forward portion of the elongated member of feed material claim 27 , using plasma produced in the inductively coupled plasma torch claim 27 , the preheating zone being ...

Independent Control of Both Index and Dispersion in Gradient Index Optics

Three or more base optical materials are selectively combined into a trans-gradient index (GRIN) optical element (e.g., a lens). A wavelength-dependent index of refraction for light propagating perpendicular to the three or more optical materials equals: a volume fraction of a first optical material multiplied by a refractive index of the first optical material, plus a volume fraction of a second optical material multiplied by a refractive index of the second optical material, plus one minus the volume fraction of the first optical material and the volume of the second optical material all multiplied by the refractive index of a third optical material. The wavelength-dependent index of refraction distribution and a refractive index dispersion through the GRIN optical element may be independently specified from one another. A local refractive index at any point in the optical element is a fixed function of a refractive index of each individual optical material. 1. A method comprising:providing three or more base optical materials comprising a first base optical material, a second base optical material, and a third base optical material;selectively combining the three or more base optical materials into a set of trans-gradient index (GRIN) materials; andusing the set of trans-GRIN materials to independently control both an index of refraction distribution and an optical dispersion distribution through a GRIN optical element.2. The method of claim 1 , wherein a wavelength-dependent index of refraction for light propagating perpendicular to the three or more base optical materials equals:a volume fraction of the first base optical material multiplied by a refractive index of the first base optical material, plusa volume fraction of the second base optical material multiplied by a refractive index of the second base optical material, plusone minus the volume fraction of the first base optical material and the volume of the second base optical material all multiplied by ...

SHAPE MEMORY ALLOY PARTICLE TOUGHENING OF CAST OR ADDITIVE MANUFACTURED AL-CU-MG-AG-TIB2

A method of forming an aircraft component includes providing an aluminum alloy. The method further includes mixing a shape memory alloy (SMA) with the aluminum alloy to form a combination of the SMA and the aluminum alloy. The method further includes forming the aircraft component with the combination of the SMA and the aluminum alloy. 1. A method of forming an aircraft component , the method comprising:mixing a shape memory alloy (SMA) with an aluminum alloy to form a combination of the SMA and the aluminum alloy; andforming the aircraft component with the combination of the SMA and the aluminum alloy.2. The method of claim 1 , wherein the aluminum alloy includes aluminum (Al) claim 1 , copper (Cu) claim 1 , magnesium (Mg) claim 1 , silver (Ag) claim 1 , titanium (Ti) claim 1 , and boron (B).3. The method of claim 2 , wherein the aluminum alloy is Al—Cu—Mg—Ag—TiB2.4. The method of claim 2 , wherein the SMA includes a nickel titanium alloy.5. The method of claim 1 , wherein forming the aircraft component includes forming the aircraft component using at least one of casting claim 1 , powder metal claim 1 , forging claim 1 , extrusion claim 1 , or additive manufacturing.6. The method of claim 1 , wherein mixing the SMA with the aluminum alloy includes at least one of mixing particles of the SMA in powder form with particles of the aluminum alloy in powder form or mixing the SMA in the powder form with liquid aluminum alloy.7. The method of claim 1 , wherein mixing the SMA with the aluminum alloy includes:providing the SMA in wire form having a length that is less than 0.0197 inches;retaining the SMA in the wire form in a single location;melting the aluminum alloy; andpouring the aluminum alloy over the SMA in the wire form.8. The method of claim 1 , wherein mixing the SMA with the aluminum alloy includes:melting the aluminum alloy; andmixing the SMA with the aluminum alloy during the melting of the aluminum alloy.9. The method of claim 1 , wherein the combination of ...

HIGH PERFORMANCE AND RECYCLABLE THERMOSET INK FOR 3D OR 4D PRINTING

A UV-curable and recyclable thermoset shape memory polymer is provided. The polymer includes a vitrimer-based monomer and a photoinitiator. The vitrimer-based monomer includes a first unit rendering a high chain stiffness upon polymerization of the monomer, and a second photopolymerizable unit for photopolymerization of the monomer under a UV irradiation. The polymer has high strength, high stiffness, high recovery stress, high energy storage, reasonable recycling efficiency, and is printable using SLA with high resolution. 1. A UV-curable and recyclable thermoset shape memory polymer comprising:a vitrimer-based monomer; anda photoinitiatorwherein the vitrimer-based monomer comprises a first unit rendering a high chain stiffness upon polymerization of the monomer; and a second unit comprising a photopolymerizable unit for photopolymerization of the monomer under a UV irradiation.2. The polymer of claim 1 , wherein the first unit rendering a high chain stiffness comprises a bisphenol A unit.3. The polymer of claim 1 , wherein the photopolymerizable unit comprises an acrylate claim 1 , a methacrylate claim 1 , epoxide claim 1 , thiol claim 1 , thiol and alkene claim 1 , thiol and alkyne claim 1 , thiol and acrylate/methacrylate.4. The polymer of claim 1 , wherein the vitrimer-based monomer is a bisphenol A glycerolate dimethacrylate (BPAGMA) monomer.5. The polymer of claim 1 , wherein the photoinitiator comprises 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone.6. The polymer of claim 5 , wherein the 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone is present in the polymer in an amount of about 3 wt %.7. The polymer of claim 4 , wherein the photoinitiator comprises 2-Hydroxy-2-methyl-1-phenyl-propan-1-one.8. The polymer of claim 7 , wherein the 2-Hydroxy-2-methyl-1-phenyl-propan-1-one is present in the polymer in an amount of about 3.5 wt %.9. The polymer of claim 8 , further comprising Bis(2 claim 8 ,4 claim 8 ,6-trimethylbenzoyl)-phenylphosphineoxide.10. ...

STABILIZED MATRIX-FILLED LIQUID RADIATION CURABLE RESIN COMPOSITIONS FOR ADDITIVE FABRICATION

Matrix-filled liquid radiation curable resin compositions for additive fabrication are described and claimed. Such resins include a cationically polymerizable component that is an aliphatic epoxide, a multifunctional (meth)acrylate component, a cationic photoinitiator, a free-radical photoinitiator, and a matrix of inorganic fillers, wherein the matrix further constitutes prescribed ratios of at least one microparticle constituent and at least one nanoparticle constituent. Also described and claimed is a process for using the matrix-filled liquid radiation curable resins for additive fabrication to create three dimensional parts, and the three-dimensional parts made from the liquid radiation curable resins for additive fabrication. 1. A liquid radiation curable composition for additive fabrication comprising:(a) a cationically polymerizable aliphatic epoxide;(b) a multifunctional (meth)acrylate component;(c) a cationic photoinitiator;(d) a free-radical photoinitiator; and a nanoparticle constituent comprising a plurality of inorganic nanoparticles, and', 'a microparticle constituent comprising a plurality of inorganic microparticles;, '(e) a filled matrix comprising'}wherein the ratio by weight of the microparticle constituent to the nanoparticle constituent is from about 1:1 to about 12:1; andwherein the ratio of the average particle size of the inorganic microparticles in the microparticle constituent to the average particle size of the inorganic nanoparticles in the nanoparticle constituent is from about 2.41:1 to about 200:1.2. The liquid radiation curable composition for additive fabrication of claim 1 , whereinthe inorganic nanoparticles of the nanoparticle constituent have an average particle size of from about 50 nanometers to about 100 nanometers; andthe inorganic microparticles of the microparticle constituent have an average particle size of from about 2 microns to about 8 microns.3. The liquid radiation curable composition for additive fabrication of ...

COPPER ALLOY POWDER, METHOD OF PRODUCING ADDITIVELY-MANUFACTURED ARTICLE, AND ADDITIVELY-MANUFACTURED ARTICLE

A copper alloy powder is a copper alloy powder for additive manufacturing. The copper alloy powder contains more than 1.00 mass % and not more than 2.80 mass % of chromium, and a balance of copper. A method for producing an additively-manufactured article includes a first step of preparing a copper alloy powder containing more than 1.00 mass % and not more than 2.80 mass % of chromium and a balance of copper and a second step of producing the additively-manufactured article from the copper alloy powder, and the additively-manufactured article is produced such that forming a powder layer including the copper alloy powder, and solidifying the copper alloy powder at a predetermined position in the powder layer to form a shaped layer are sequentially repeated to stack such shaped layers to thus produce the additively-manufactured article. 1. A copper alloy powder for additive manufacturing , containing:more than 1.00 mass % and not more than 2.80 mass % of chromium; anda balance of copper.2. The copper alloy powder according to claim 1 , containing more than 1.05 mass % and not more than 2.80 mass % of chromium.3. The copper alloy powder according to claim 1 , containing more than 1.00 mass % and not more than 2.00 mass % of chromium.4. The copper alloy powder according to claim 3 , containing more than 1.05 mass % and not more than 2.00 mass % of chromium.5. A method of producing an additively-manufactured article claim 3 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a first step of preparing the copper alloy powder according to ; and'}a second step of producing an additively-manufactured article from the copper alloy powder,the additively-manufactured article being produced such that forming a powder layer including the copper alloy powder and solidifying the copper alloy powder at a predetermined position in the powder layer to form a shaped layer are sequentially repeated to stack such shaped layers to thus produce the additively-manufactured ...

COMPOSITION FOR METAKAOLIN CONSTRUCTION MATERIAL, RELATED METHOD FOR MANUFACTURING SAID COMPOSITION, AND USE FOR PRODUCING CONSTRUCTION ELEMENTS

Disclosed is a construction material composition including a matrix predominantly containing an aluminum silicate compound, such as a metakaolin, and an alkaline activation solution. The composition is contains less than 10 wt. % cement or clinker and in that the metakaolin is a metakaolin obtained via flash calcination. The reaction between the components is carried out at a temperature less than 30° C. The method for manufacturing the construction material includes mixing the composition with various elements such as granulates, plant fibers, unfired clay, and expanding agents. It is particularly of use in producing floor, wall, or roof coating elements, prefabricated construction elements, or insulation, adhesive, or inorganic sealant modules. 121-. (canceled)22. A Composition for a construction material comprising a matrix predominantly containing an aluminium silicate compound , such as a metakaolin , and an alkaline activation solution ,wherein it contains less than 10 wt. % cement or clinker,wherein the metakaolin is a “flashed” metakaolin obtained via flash calcination of a powdered clay at a temperature between 600 and 900° C. for a few seconds, followed by a fast cooling, and wherein the alkaline activation solution comprises a source of sodium or potassium silicate (according to the cement nomenclature containing SiO2 and M2O), and an alkaline base, such as NaOH and/or KOH, (noted as M2O according to the cement nomenclature, with M able to represent the sodium or the potassium), with the relative proportions of the activation solution and of the matrix being such that the total sum in SiO2+M2O moles of the activation solution is between 3.5 and 5.5 mol/kg of matrix.23. The composition according to claim 22 , wherein it contains a weight proportion in cement or clinker less than 5% claim 22 , preferably less than 1%.24. The composition according to claim 22 , wherein the source of silicate of the activation solution has a SiO2/M2O molar ratio greater than ...

CALIBRATION TECHNIQUES FOR A CONTINUOUS ANALYTE SENSOR

Disclosed herein are systems and methods for calibrating a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes one or more electrodes to measure an additional analyte. Such measurements may provide a baseline or sensitivity measurement for use in calibrating the sensor. Furthermore, baseline and/or sensitivity measurements may be used to trigger events such as digital filtering of data or suspending display of data. 1. A system for processing sensor data from an analyte sensor in a host , the system comprising:an analyte sensor configured to provide sensor data associated with an analyte concentration in a host; anda processor module configured to calibrate the sensor data based on a measurement indicative of a change in sensitivity over a time period.2. The system of claim 1 , wherein the processor module is further configured to calibrate the sensor data based on an external reference value.3. The system of claim 1 , wherein the measurement is independent of an external reference value.4. The system of claim 1 , wherein the measurement is performed by the analyte sensor.5. The system of claim 1 , wherein the measurement utilizes one or more electrodes of the analyte sensor.6. The system of claim 1 , wherein the measurement is based on an auxiliary signal.7. The system of claim 1 , wherein the measurement is indicative of a constant non-glucose analyte concentration.8. The system of claim 1 , wherein the processor module is configured to request an external reference value in response to the measurement exceeding a threshold.9. The system of claim 1 , wherein the processor module is configured to calibrate the sensor data at a frequency selected based on the measurement.10. The system of claim 1 , wherein the processor module is configured to calibrate the sensor data in response to the measurement exceeding a threshold.11. The system of claim 1 , wherein the processor module is configured to re-calibrate the sensor data based ...

FIBROUS SEAL FOR A PRINT PARTICLE VESSEL

Examples of a print particle transfer device are described herein. Some examples of the print particle transfer device include a print particle vessel to contain print particles. In some examples, the print particle transfer device also includes a plunger with a fibrous seal element to engage an inside surface of the print particle vessel. The fibrous seal element seals an interface between the plunger and the inside surface of the print particle vessel to prevent escape of the print particles at the interface during movement of the plunger within the print particle vessel. 1. A print particle transfer device , comprising:a print particle vessel to contain print particles; anda plunger comprising a fibrous seal element to engage an inside surface of the print particle vessel, wherein the fibrous seal element seals an interface between the plunger and the inside surface of the print particle vessel to prevent escape of the print particles at the interface during movement of the plunger within the print particle vessel.2. The print particle transfer device of claim 1 , wherein the fibrous seal element comprises a felt material.3. The print particle transfer device of claim 1 , wherein the plunger comprises an elastomeric plunger head.4. The print particle transfer device of claim 1 , wherein the fibrous seal element is positioned near a leading edge of the plunger.5. The print particle transfer device of claim 1 , wherein the fibrous seal element wipes print particles from the inside surface of the print particle vessel during movement of the plunger.6. The print particle transfer device of claim 1 , wherein the fibrous seal element inhibits air escape from around the interface during movement of the plunger.7. The print particle transfer device of claim 1 , wherein the fibrous seal element maintains a constant pressure on the inside surface of the print particle vessel during movement of the plunger.8. A plunger for a print particle transfer device claim 1 , ...

HYBRID MATERIALS AND PROCESS FOR PRODUCTION THEREOF

The invention relates to inorganic-organic hybrid materials comprising interpenetrated organic and inorganic components, wherein the organic component comprises polymer chains formed at least in part by ring-opening polymerization of a cyclic monomer, and processes for the production thereof. 1. A process for producing a material comprising a polymeric component formed by ring opening polymerisation of cyclic monomer containing at least one ring heteroatom , the process comprising:(i) forming a reaction mixture comprising cyclic monomer, optionally in the presence of solvent, and an epoxide compound comprising an epoxide ring and an inorganic component; and(ii) adding catalyst to the reaction mixture to activate the epoxide compound and initiate cationic ring-opening polymerisation of the cyclic monomer to produce the material, wherein the material comprises covalent bonds between at least one component of the epoxide compound and the polymeric component.2. The process of claim 1 , wherein the epoxide compound is an organosilicon epoxide.3. The process of claim 1 , wherein the process further comprises:(iii) hydrolysis and condensation of the reaction mixture formed in step (ii) to produce an inorganic/organic hybrid material.4. The process of claim 3 , wherein hydrolysis and condensation is achieved by addition of an acid and water to the reaction mixture formed in step (ii).5. The process of claim 3 , wherein the process further comprises addition of an additional silica source to the reaction mixture.6. The process of claim 1 , wherein the epoxide is an (epoxyalkyl)alkoxysilane.7. The process of claim 1 , wherein the cyclic monomer is a cyclic ether claim 1 , oxetane claim 1 , acetal claim 1 , ester (lactones claim 1 , lactides claim 1 , and carbonates) claim 1 , oxazolidine claim 1 , anhydride claim 1 , amine claim 1 , amide (lactams) claim 1 , imide claim 1 , N-carboxyanhydride claim 1 , 1 claim 1 ,3-oxaza derivative claim 1 , thioether claim 1 , thiolactone ...

System and Method for a Three-Dimensional Optical Switch Display (OSD) Device

The present invention includes a system, apparatus and method for generating a three-dimensional image and/or printing a three dimensional structures, the system comprising: a medium comprising a photocurable monomer and an optical molecular switch molecule that has a non-fluorescent state and a fluorescent state, wherein the monomer forms a polymer upon exposure to the emitted light. Also taught are novel fluorescent photoswitch molecules. 1. An apparatus for generating a three-dimensional product , the system comprising:a medium comprising an optical molecular switch molecule, wherein the optical molecular switch molecule has a non-fluorescent state and a fluorescent state, wherein at one wavelength of optical excitation the optical molecular switch molecule has a first state, and at a second state the optical molecular switch molecule fluoresces at a second wavelength of excitation;a photo-catalyzable or photo-curable monomer in the medium; andat least a first light source and a second light source into the medium, wherein light emitted by the at least first and second light sources are directed to contact the optical molecular switch molecule;wherein the optical molecular switch molecule is converted into a fluorescent “on state” by irradiation from the first light source, and when the second light source irradiates the optical molecular switch molecule in the “on state” the optical molecular switch molecule emits light, wherein the photo-catalyzable or photo-curable monomer polymerizes into a polymer at a point of contact between the first and second light sources.2. The apparatus of claim 1 , wherein at least one of:(a) the first and the second light source intersect the optical molecular switch molecule excites and releases light;(b) the first or the second light source is a pulsed laser thereby to produce an improved voxel to background emission;(c) the first and the second light source scan across the medium, wherein the optical molecular switch molecule ...

FUSED DEPOSITION MODELING TYPE ADDITIVE MANUFACTURING MATERIAL

The present invention aims to provide a fused deposition modeling type additive manufacturing material which has flexibility when molded into a filamentous material such as a filament, and can exhibit an excellent manufacturing property when additive manufacturing is performed using a molded product thereof, and the fused deposition modeling type additive manufacturing material according to the present invention contains: a polyvinyl alcohol-based resin; a polyethylene glycol having a weight average molecular weight of 200 to 1,000; and a carboxylic acid metal salt in an amount of 0.8 mass % or less with respect to the polyvinyl alcohol-based resin. 1. A fused deposition modeling type additive manufacturing material comprising: a polyvinyl alcohol-based resin; a polyethylene glycol having a weight average molecular weight of 200 to 1 ,000; and a carboxylic acid metal salt in an amount of 0.8 mass % or less with respect to the polyvinyl alcohol-based resin.2. The fused deposition modeling type additive manufacturing material according to claim 1 , wherein a degree of saponification of the polyvinyl alcohol-based resin is 70 mol % to 100 mol %.3. The fused deposition modeling type additive manufacturing material according to claim 1 , wherein an average degree of polymerization of the polyvinyl alcohol-based resin is 200 to 1 claim 1 ,500.4. The fused deposition modeling type additive manufacturing material according to claim 1 , a content of the polyethylene glycol is 1 to 50 parts by mass with respect to 100 parts by mass of the polyvinyl alcohol-based resin.5. The fused deposition modeling type additive manufacturing material according to claim 1 , further comprising: a drug.6. The fused deposition modeling type additive manufacturing material according to claim 1 , which is in a filament form. The present invention relates to a fused deposition modeling type additive manufacturing material, and more particularly to a fused deposition modeling type additive ...

3D POLYMERIZABLE CERAMIC INKS

Provided are formulations and processes for manufacturing 3D objects, the formulations being free of particulate materials and used in low temperature 3D printing processes. 157.-. (canceled)58. A process for forming a 3D ceramic or glass object or pattern , the process comprising irradiating at least one polymerizable ceramic precursor of the formula A-B or a formulation comprising same , at a temperature below 90° C. , A is a ceramic precursor moiety, and', 'B is at least one photopolymerizable group; such that B is associated with or bonded to A via a chemical bond,, 'wherein in the at least one polymerizable ceramic precursor of the formula A-Bwherein the at least one polymerizable ceramic precursor of the formula A-B or a formulation comprising same is provided onto a substrate or in a printing bath; to obtain a 3D polymerized object or pattern; andtreating the 3D polymerized object or pattern by one or more of aging the 3D object or pattern at room temperature; immersing the 3D object or pattern in an acid, a base or an electrolyte solution followed by heating at a temperature above 100° C.; or supercritical drying of the 3D object or pattern, to obtain the 3D ceramic or glass object or pattern.59. The process according to claim 58 , the process comprising:a) forming a pattern of a formulation on a surface region of a substrate or on a previously formed pattern; the formulation comprising the at least one polymerizable ceramic precursor of the formula A-B;b) affecting polymerization of at least a portion of the polymerizable moieties present in the at least one polymerizable ceramic precursors at a temperature below 90° C.;c) repeating steps (a) and (b) one or more times to obtain the 3D object or pattern.60. The process according to claim 58 , wherein the treating of the 3D polymerized object or pattern comprises burning or heating the formed 3D object or pattern to a temperature above 100° C.61. The process according to claim 58 , wherein the formulation is ...

FORMULATION COMPOSITION FOR 3D ADDITIVE MANUFACTURING AND PROCESSING METHOD OF THE SAME

The present invention discloses a hybrid (mixed) formulation composition for 3D additive manufacturing and a manufacturing process. The hybrid formulation composition possesses capability of UV radiation curing and thermal curing. The hybrid formulation composition is designed to be cured by UV radiation in the 3D printing/additive manufacturing process and then post cure by heat to get its final properties. The hybrid formulation composition consists of acrylates (oligomer, monomer, and diluent), photoinitiators, and isocyanate-containing prepolymers which comprises poly-ols (di-ol, tri-ol), urea, urethane, and isocyanates. The hybrid formulation composition may also include reaction accelerator, dye, pigment, and fillers. The finished products of the hybrid formulation composition possess rubber-like properties and can be used in the applications such as shoe sole, toys, medical, and wearables goods . . . etc. 2. The hybrid formulation composition of claim 1 , wherein the prepolymer is a compound of the formula T-R-T claim 1 , R is a polymer of a polyol claim 1 , each T is a terminal group of R claim 1 , and T is a reactive isocyanate (NCO).3. The hybrid formulation composition of claim 2 , wherein R of the prepolymer comprises reactive end groups.4. The hybrid formulation composition according to any one of claim 3 , wherein the prepolymer comprises a polyisocyanate oligomer produced by reacting at least one isocyanate with at least one polyol claim 3 , and the ratio of the isocyanate to the polyol (NCO/OH) is greater than one.5. The hybrid formulation composition according to claim 1 , wherein the photocurable material formulation accounts for 20 to 100% by weight of the hybrid formulation composition claim 1 , and the photocurable composition formulation comprises at least: an acrylic series oligomer claim 1 , acrylic series monomers claim 1 , and at least one photoinitiator.6. The hybrid formulation composition of claim 5 , wherein the acrylic series oligomer ...