BUILD MATERIALS HAVING A METALLIC APPEARANCE FOR 3D PRINTING

In one aspect, composite build materials for use with a 3D printing system are described herein. In some embodiments, a composite build material described herein comprises a carrier ink comprising a curable material; and pigment particles dispersed in the carrier ink, wherein the pigment particles comprise mica. In some cases, the carrier ink is present in the composite build material in an amount of about 80-98% by weight, and the curable material comprises one or more species of monomeric and/or oligomeric (meth)acrylates. Additionally, in some instances, the pigment particles are present in the composite build material in an amount of about 2-8% by weight and comprise up to about 85% by weight mica, based on the total weight of the pigment particles. The pigment particles, in some cases, can also comprise TiOand/or FeO. 2. The composite build material of claim 1 , wherein the carrier ink is present in the composite build material in an amount of about 80-98% by weight claim 1 , based on the total weight of the composite build material.3. The composite build material of claim 1 , wherein the curable material comprises one or more species of (meth)acrylates.4. The composite build material of claim 1 , wherein the curable material comprises one or more oligomeric materials.5. The composite build material of claim 4 , wherein the one or more oligomeric materials comprise a urethane (meth)acrylate.6. The composite build material of claim 1 , wherein the pigment particles are present in the composite build material in an amount of about 2-8% by weight claim 1 , based on the total weight of the composite build material.7. The composite build material of claim 1 , wherein the pigment particles have an average diameter of about 5-500 μm.8. The composite build material of claim 1 , wherein the pigment particles comprise up to about 85% by weight mica claim 1 , based on the total weight of the pigment particles.9. The composite build material of claim 1 , wherein the ...

INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein is a composite ink. Such a composite ink, in some cases, comprises an optically transparent or substantially transparent carrier ink comprising a curable material; and a colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink. 2. The composite ink of claim 1 , wherein the colorant comprises a particulate pigment.3. The composite ink of claim 1 , wherein the colorant comprises a molecular dye.4. The composite ink of claim 1 , wherein the curable material comprises one or more species of (meth)acrylates.5. The composite ink of claim 1 , wherein the curable material comprises one or more oligomeric materials.6. The composite ink of claim 5 , wherein the one or more oligomeric materials comprise a urethane (meth)acrylate.7. The composite ink of further comprising one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 , and combinations thereof.9. The article of claim 8 , wherein the layer of the shell component formed from the composite ink has a thickness of 0.03 to 5 mm.11. The article of claim 10 , wherein the first colorant of the first composite ink differs from the second colorant of the second composite ink. This application is a continuation of U.S. patent application Ser. No. 14/644,701, filed on Mar. 11, 2015, which claims priority pursuant to 35 U.S.C. § 119 to U.S. Provisional Patent Application Ser. No. 61/950,906, filed on Mar. 11, 2014, and to U.S. Provisional Patent Application Ser. No. 61/978,795, filed on Apr. 11, 2014, each of which is hereby incorporated by reference in its entirety.The present invention relates to inks and, in particular, to pigmented inks for use with three-dimensional (3D) printing systems.Commercially available 3D printers, ...

BUILD MATERIALS FOR 3D PRINTING

Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks.

COLOR STABLE INKS AND APPLICATIONS THEREOF

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink comprises a polymerizable material and a reactive wax comprising a saturated alkyl moiety bonded to an ethyleneically unsaturated moiety through a urethane, urea, ester, or carbonate ester linkage, wherein the ink is free or substantially free of non-reactive wax. 2. The method of claim 1 , wherein the ink when cured exhibits a tensile modulus of about 2300 MPa to about 2800 MPa when measured according to ASTM D 638.3. The method of claim 1 , wherein the ink when cured exhibits a break elongation of about 25% to about 40% when measured according to ASTM D 638.4. The method of claim 1 , wherein the ink when cured exhibits a heat deflection temperature ranging from about 105° C. to about 120° C. when tested according to ASTM D 648.5. The method of claim 1 , wherein the linkage comprises a urethane or urea linkage.6. The method of claim 1 , wherein the ethylenically unsaturated moiety comprises an alkyl (meth)acrylate moiety.7. The method of claim 1 , wherein the ethylenically unsaturated moiety comprises a vinyl moiety.8. The method of claim 1 , wherein the reactive wax comprises the reaction product of an alkyl isocyanate having 2-36 carbon atoms in its alkyl chain and a hydroxyalkyl (meth)acrylate having 2-18 carbon atoms in its alkyl chain.9. The method of claim 1 , wherein the reactive wax comprises the reaction product of an isocyanatoalkyl (meth)acrylate having 2-18 carbon atoms in its alkyl chain and a fatty alcohol having 4-36 carbon atoms in its alkyl chain.13. The method of claim 1 , wherein the reactive wax exhibits a melting point range centered between about 50° C. and about 80° C.14. The method of claim 1 , wherein the ink comprises a plurality of reactive waxes.15. The method of claim 1 , wherein the ink further comprises one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , ...

INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein is a composite ink. Such a composite ink, in some cases, comprises an optically transparent or substantially transparent carrier ink comprising a curable material; and a colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink. 1. A composite ink for use in a three-dimensional printing system comprising:an optically transparent or substantially transparent carrier ink comprising a curable material; anda colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink.2. The composite ink of claim 1 , wherein a chroma of the composite ink at a given thickness of the composite ink is within about 20% of a maximum chroma of the colorant in the composite ink.3. The composite ink of claim 1 , wherein the colorant comprises a particulate pigment.4. The composite ink of claim 1 , wherein the colorant comprises a molecular dye.5. The composite ink of claim 1 , wherein the carrier ink has an optical transparency of at least about 70% transmission between 350 nm and 750 nm at a thickness of about 0.01 to 10 mm.6. The composite ink of claim 1 , wherein the carrier ink has an optical transparency of at least about 80% transmission between 350 nm and 750 nm at a thickness of about 0.01 to 10 mm.7. The composite ink of claim 1 , wherein the curable material comprises one or more species of (meth)acrylates.8. The composite ink of claim 1 , wherein the curable material comprises one or more oligomeric materials.9. The composite ink of claim 8 , wherein the one or more oligomeric materials comprise a urethane (meth)acrylate.10. The composite ink of further comprising one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 ...

BUILD MATERIALS FOR 3D PRINTING

Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks. 1. A polymerizable liquid comprising:an acrylate component;a polymeric additive; anda monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light.2. The polymerizable liquid of claim 1 , wherein the polymeric additive comprises one or more thermoplastics.3. The polymerizable liquid of claim 2 , wherein the thermoplastic comprises multiblock copolymer.4. The polymerizable liquid of claim 3 , wherein the multiblock copolymer comprises polyurethane.5. The polymerizable liquid of claim 4 , wherein the monomeric curing agent includes an N-vinyl moiety.6. The polymerizable liquid of claim 1 , wherein the monomeric curing agent comprises one or more imidazoles.7. The polymerizable liquid of claim 1 , wherein the monomeric curing agent is present in an amount of 2-20 weight percent.8. The polymerizable liquid of claim 1 , wherein the monomeric curing agent is a solvent for the polymeric additive.9. The polymerizable liquid of further comprising a crosslinking component.10. The polymerizable liquid of claim 9 , wherein the crosslinking component comprises epoxy resin claim 9 , an isocyanate component claim 9 , a polyol component claim 9 , or mixtures thereof.11. The polymerizable liquid of claim 10 , wherein the crosslinking component is coated on ...

BUILD MATERIAL AND APPLICATIONS THEREOF

In one aspect, build materials operable for use in 3D printing systems are described herein. In some embodiments, a build material comprises an oligomeric curable material, a reactive component that is solid at 25° C., and at least one diluent, wherein the reactive component comprises at least one chemical moiety that is polymerizable with a chemical moiety contained in the oligomeric curable material and/or the at least one diluent. 2. The method of claim 1 , wherein the layers of the build material are deposited according to an image of the three dimensional article in a computer readable format.3. The method of further comprising supporting at least one of the layers of the build material with a support material.4. The method of further comprising curing the build material.5. The method of claim 1 , wherein the build material solidifies upon deposition.6. The method of claim 1 , wherein the build material remains substantially fluid upon deposition.7. The method of claim 1 , wherein the non-reactive component does not comprise a chemical moiety that is polymerizable with a chemical moiety contained in the oligomeric curable material or the at least one diluent.8. The method of claim 1 , wherein the build material further comprises one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 , and combinations thereof.9. The method of claim 1 , wherein the oligomeric curable material is a urethane (meth)acrylate having a viscosity ranging from 10 claim 1 ,000 cps to 300 claim 1 ,000 cps.10. The method of claim 1 , wherein the oligomeric curable material and the reactive component each contain one or more acrylate or (meth)acrylate moieties.11. The method of claim 1 , wherein the reactive component comprises more than one chemical moiety that is polymerizable with a chemical moiety contained in the oligomeric curable material and/or the at least one diluent.12. The method ...

BUILD MATERIAL AND APPLICATIONS THEREOF

In one aspect, build materials operable for use in 3D printing systems are described herein. In some embodiments, a build material comprises about 10 to 30 percent by weight of an oligomeric curable material; about 50 to 75 percent by weight of at least one diluent; and about 3 to 15 percent by weight of a reactive component. Moreover, in some cases, the build material is free or substantially free of a non-reactive wax component.

Support Material and Applications Thereof

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol and a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol. 1. A support material for use in a three-dimensional printing system comprising:a wax component comprising at least one ethoxylated fatty alcohol; anda viscosity modifying component, wherein the support material is water dispersible.2. The support material of claim 1 , wherein the wax component is present in an amount ranging from about 50 weight percent to about 95 weight percent.3. The support material of claim 1 , wherein the at least one ethoxylated fatty alcohol has a formula CH—(CH)—(O—CH—CH—)—OH claim 1 , wherein n is an integer from 2 to 100 and m is an integer from 10 to 20.4. The support material of claim 1 , wherein the wax component comprises a plurality of the ethoxylated fatty alcohols.5. The support material of claim 1 , wherein the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol.6. The support material of claim 4 , wherein the plurality of ethoxylated fatty alcohols comprise one or more ethoxylated fatty alcohols of the formula CH—(CH)—(O—CH—CH—)—OH claim 4 , wherein n is an integer from 2 to 100 and m is an integer from 10 to 20 and one or more sorbitan monooctadecanoate poly(oxy-1 claim 4 ,2-ethanediyl) derivatives.7. The support material of claim 1 , wherein the viscosity modifying component comprises one or more ethoxylated fatty alcohols.8. The support material of claim 7 , wherein the ethoxylated fatty alcohol has a formula CH—(CH)—(O—CH—CH—)—OH claim 7 , wherein n is an integer from 2 to 100 and m is an integer from 10 to 20.9. The support material of claim 1 , ...

Support Material and Applications Thereof

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol and a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol.

Build Material And Applications Thereof

In one aspect, build materials operable for use in 3D printing systems are described herein. In some embodiments, a build material comprises about 10 to 30 percent by weight of an oligomeric curable material; about 50 to 75 percent by weight of at least one diluent; and about 3 to 15 percent by weight of a reactive component. Moreover, in some cases, the build material is free or substantially free of a non-reactive wax component. 1. A build material for use in a three-dimensional printing system comprising:about 10 to 30 percent by weight of an oligomeric curable material;about 50 to 75 percent by weight of at least one diluent;about 3 to 15 percent by weight of an isocyanurate (meth)acrylate; andless than about 5 percent by weight of a non-reactive wax component.2. The build material of claim 1 , wherein the build material further comprises one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 , and combinations thereof.3. The build material of claim 1 , wherein the oligomeric curable material contains one or more (meth)acrylate moieties.4. The build material of claim 1 , wherein the oligomeric curable material is a urethane (meth)acrylate having a viscosity ranging from about 10 claim 1 ,000 cps to about 300 claim 1 ,000 cps.5. The build material of claim 1 , wherein the oligomeric curable material comprises about 15 to 25 percent by weight of the build material.6. The build material of claim 1 , wherein the at least one diluent contains one or more (meth)acrylate moieties.7. The build material of claim 1 , wherein the isocyanurate (meth)acrylate is an isocyanurate tri(meth)acrylate.8. The build material of claim 1 , wherein the isocyanurate (meth)acrylate is tris(2-hydroxy ethyl)isocyanurate triacrylate.9. The build material of claim 1 , wherein the isocyanurate (meth)acrylate comprises about 5 to about 15 percent by weight of the build material.10. The build ...

Compositions and Methods for Selective Deposition Modeling

There is provided compositions and methods for producing three-dimensional objects by selective deposition modeling with a polar build material and a non-polar support material. The build material comprises a hydrocarbon wax material and a viscosity modifier, and the support material comprises a hydrocarbon alcohol wax material and a viscosity modifier. After the selective deposition modeling process has been completed, the object can be placed in a bath of polar solvent to remove the support material. The particular materials provided herein, and the post-processing methods associated therewith, provide for improved part quality of the three-dimensional object and for improved post-processing techniques. The three-dimensional objects can subsequently be used in a number of applications, such as patterns for investment casting. 1. A combination of compositions used to produce a three-dimensional object with a selective deposition modeling apparatus , the combination comprising: (i) a build hydrocarbon wax material, wherein the build hydrocarbon wax material comprises between 75% and 85% by weight of the build material, and', '(ii) at least one build viscosity modifier defining a hydrocarbon resin free of oxygen, wherein the build viscosity modifier comprises between 15% and 25% by weight of the build material; and, '(a) a build material comprising (i) a support hydrocarbon alcohol wax material, wherein the support hydrocarbon alcohol wax material comprises between 60% and 68% by weight of the support material, and', '(ii) at least one support viscosity modifier defining a hydrogenated rosin, wherein the support viscosity modifier comprises between 32% and 40% by weight of the support material., '(b) a support material comprising2. The combination of compositions of claim 1 , wherein the build hydrocarbon wax material comprises a paraffin wax.3. The combination of compositions of claim 1 , wherein the build viscosity modifier comprises a hydrogenated hydrocarbon ...

Color Stable Inks And Applications Thereof

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink comprises a polymerizable material and a reactive wax comprising a saturated alkyl moiety bonded to an ethyleneically unsaturated moiety through a urethane, urea, ester, or carbonate ester linkage, wherein the ink is free or substantially free of non-reactive wax. 1. An ink for use in a three-dimensional printing system comprising:a polymerizable material; anda reactive wax comprising a saturated alkyl moiety bonded to an ethyleneically unsaturated moiety through a urethane, urea, ester, or carbonate ester linkage,wherein the ink is free or substantially free of non-reactive wax.2. The ink of claim 1 , wherein the linkage comprises a urethane or urea linkage.3. The ink of claim 1 , wherein the ethyleneically unsaturated moiety comprises an alkyl(meth)acrylate moiety.4. The ink of claim 1 , wherein the ethyleneically unsaturated moiety comprises a vinyl moiety.5. The ink of claim 1 , wherein the reactive wax comprises the reaction product of an alkyl isocyanate having 2-36 carbon atoms in its alkyl chain and a hydroxyalkyl(meth)acrylate having 2-18 carbon atoms in its alkyl chain.6. The ink of claim 1 , wherein the reactive wax comprises the reaction product of an isocyanatoalkyl(meth)acrylate having 2-18 carbon atoms in its alkyl chain and a fatty alcohol having 4-36 carbon atoms in its alkyl chain.10. The ink of claim 1 , wherein the reactive wax exhibits a melting point range centered between about 50° C. and about 80° C.11. The ink of claim 1 , wherein the ink comprises a plurality of reactive waxes.12. The ink of claim 1 , wherein the polymerizable material comprises one or more species of (meth)acrylates.13. The ink of claim 1 , wherein the polymerizable material is UV-curable.14. The ink of further comprising one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 , ...

Opaque Inks And Applications Thereof

In one aspect, inks for use with a three dimensional printing system are described herein. In some embodiments, an ink for use in a three dimensional printing system comprises about 10-95 weight % polymerizable component and about 3-25 weight % non-reactive wax component, wherein the ink when cured has a Tgreater than the melting point of the non-reactive wax component. 2. The ink of further comprising an oil.3. The ink of claim 2 , wherein the oil comprises about 1-10 weight % of the ink.4. The ink of claim 2 , wherein the oil comprises a plant oil.5. The ink of further comprising at least one dye.6. The ink of further comprising one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , sensitizers claim 1 , and combinations thereof.7. The ink of claim 1 , wherein the ink is not pigmented.8. The ink of claim 1 , wherein the ink does not comprise an inorganic pigment.9. The ink of claim 7 , wherein the ink is opaque at about 25° C. when cured.10. The ink of claim 1 , wherein the polymerizable component comprises one or more species of (meth)acrylates.11. The ink of claim 1 , wherein the non-reactive wax component comprises an SPC wax.12. A composition comprising:{'sub': 'g', 'a three dimensionally printed article comprising an ink, the ink comprising about 10-95 weight % polymerizable component and about 3-25 weight % non-reactive wax component, wherein the ink when cured has a Tgreater than the melting point of the non-reactive wax component.'}13. A method of printing a three dimensional article comprising:{'sub': 'g', 'selectively depositing layers of a fluid ink to form the three dimensional article on a substrate, the ink comprising about 10-95 weight % polymerizable component and about 3-25 weight % non-reactive wax component, wherein the ink when cured has a Tgreater than the melting point of the non-reactive wax component.'}14. The method of claim 13 , wherein the layers of the ink ...

Compositions And Methods For Selective Deposition Modeling

There is provided compositions and methods for producing three-dimensional objects by selective deposition modeling with a polar build material and a non-polar support material. The build material comprises a hydrocarbon wax material and a viscosity modifier, and the support material comprises a hydrocarbon alcohol wax material and a viscosity modifier. After the selective deposition modeling process has been completed, the object can be placed in a bath of polar solvent to remove the support material. The particular materials provided herein, and the post-processing methods associated therewith, provide for improved part quality of the three-dimensional object and for improved post-processing techniques. The three-dimensional objects can subsequently be used in a number of applications, such as patterns for investment casting. 1. A method of separating a three-dimensional object produced with build material from a support material used to support the build material during the production of the three-dimensional object , the method comprising:positioning the three-dimensional object and the support material in a bath of polar solvent; andagitating the bath of polar solvent with respect to the support material in the bath.2. The method of further comprising removing a white residue from the three-dimensional object.3. The method of claim 2 , wherein removing the white residue comprises removing the object from the bath of polar solvent and rinsing the object with a solution comprising about 30% glycerin-alcohol.4. The method of claim 1 , wherein the bath of polar solvent comprises one or more of poly(propylene)glycol claim 1 , ethanol claim 1 , and isopropyl alcohol.5. The method of claim 4 , wherein the bath of polar solvent comprises 91% isopropyl alcohol.6. The method of claim 4 , wherein the bath of polar solvent comprises 100% isopropyl alcohol.7. The method of claim 1 , wherein the temperature of the polar solvent is controlled to be between about 35° C. and ...

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt % to about 3.0 wt % of one or more collagens; about 5.0 wt % to about 40.0 wt % of one or more monomers; about 0.5 wt % to about 2.0 wt % of a photo initiator; and 0 wt % to about 75 wt % of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm2 (Ec) when printed, and a green strength of at least about 5 kPa after drying. The present technology further includes methods of manufacturing a three-dimensional cell-receiving scaffold using the printable composition.

INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein is a composite ink. Such a composite ink, in some cases, comprises an optically transparent or substantially transparent carrier ink comprising a curable material; and a colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink. 1. A composite ink for use in a three-dimensional printing system comprising:a carrier ink comprising a curable material; anda colorant dispersed in the carrier ink in an amount of 0.01 to 5 weight %, based on the total weight of the composite ink,wherein a chroma of the composite ink at a given thickness of the composite ink is within 20% of a maximum chroma of the colorant in the composite ink, andwherein the carrier ink has an optical transparency of at least 80% transmission between 350 nm and 750 nm at a thickness of 0.01 to 10 mm.2. The composite ink of claim 1 , wherein the colorant comprises a particulate pigment.3. The composite ink of claim 2 , wherein the particulate pigment has an average particle size of 50-1000 nm.4. The composite ink of claim 3 , wherein the average particle size is 70-200 nm.5. The composite ink of claim 1 , wherein the colorant comprises a molecular dye.6. The composite ink of claim 1 , wherein the curable material comprises one or more species of (meth)acrylates.7. The composite ink of claim 1 , wherein the curable material comprises one or more oligomeric materials.8. The composite ink of claim 7 , wherein the one or more oligomeric materials comprise a urethane (meth)acrylate.9. The composite ink of claim 1 , wherein the carrier ink comprises 10-95 weight % curable material claim 1 , based on the total weight of the carrier ink.10. The composite ink of further comprising one or more additives selected from the group consisting of photoinitiators claim 1 , inhibitors claim 1 , stabilizing agents claim 1 , ...

Support material and applications thereof

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol and a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol.

BIOCOMPATIBLE INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises 10-60 wt. % oligomeric curable material; 30-80 wt. % monomeric curable material; and 10-35 wt. % self-curable light-sensitive oligomer, based on the total weight of the ink. Moreover, in some cases, the ink is free or substantially free of non-curable photoinitiator. For example, in some instances, the ink further comprises less than 0.1 wt. % or less than 0.05 wt. % non-curable photoinitiator, based on the total weight of the ink. 1. An ink for use in a three-dimensional printing system comprising:10-60 wt. % oligomeric curable material;30-80 wt. % monomeric curable material; and10-35 wt. % self-curable light-sensitive oligomer, based on the total weight of the ink.2. The ink of claim 1 , wherein the oligomeric curable material is present in the ink in an amount of 10-30 wt. % claim 1 , based on the total weight of the ink.3. The ink of claim 1 , wherein the oligomeric curable material comprises a urethane (meth)acrylate oligomer claim 1 , a polyester (meth)acrylate oligomer claim 1 , an epoxy (meth)acrylate oligomer claim 1 , or a combination thereof.4. The ink of claim 1 , wherein the monomeric curable material is present in the ink in an amount of 40-70 wt. % claim 1 , based on the total weight of the ink.5. The ink of claim 1 , wherein the monomeric curable material comprises a monofunctional (meth)acrylate claim 1 , a difunctional (meth)acrylate claim 1 , a trifunctional (meth)acrylate claim 1 , a tetrafunctional (meth)acrylate claim 1 , a pentafunctional (meth)acrylate claim 1 , or a combination thereof.6. The ink of claim 1 , wherein the self-curable light-sensitive oligomer is present in the ink in an amount of 20-35 wt. % claim 1 , based on the total weight of the ink.7. The ink of claim 1 , wherein the self-curable light-sensitive oligomer is a photoinitiator of the ink at 340-370 nm.8. The ink of claim 1 , ...

Build Materials Having A Metallic Appearance For 3D Printing

In one aspect, composite build materials for use with a 3D printing system are described herein. In some embodiments, a composite build material described herein comprises a carrier ink comprising a curable material; and pigment particles dispersed in the carrier ink, wherein the pigment particles comprise mica. In some cases, the carrier ink is present in the composite build material in an amount of about 80-98% by weight, and the curable material comprises one or more species of monomeric and/or oligomeric (meth)acrylates. Additionally, in some instances, the pigment particles are present in the composite build material in an amount of about 2-8% by weight and comprise up to about 85% by weight mica, based on the total weight of the pigment particles. The pigment particles, in some cases, can also comprise TiO 2 and/or Fe 2 O 3 .

3D PRINTING INK CONTAINING A CYCLOPOLYMERIZABLE MONOMER

In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprise 10-70 wt. % or 20-40 wt. % of a cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, and the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety may have a 1,5-, 1,6-, 1,7-, or 1,8-relationship. Additionally, an ink described herein can have a viscosity of 1600 centipoise (cP) or less at 30° C., or of 500 cP or less at 30° C. and can be used to print a desired 3D article having mechanical properties similar to those of articles formed from thermoplastic materials. 1. An ink for use in a three-dimensional printing system comprising:10-70 wt. % cyclopolymerizable monomer, based on the total weight of the ink,wherein the cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, andwherein the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety have a 1,5-, 1,6-, 1,7-, or 1,8-relationship.2. The ink of claim 1 , wherein the cyclopolymerizable monomer is present in the ink in an amount of 20-40 wt. % claim 1 , based on the total weight of the ink.3. The ink of claim 1 , wherein the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety have a 1 claim 1 ,5-relationship.4. The ink of claim 1 , wherein the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety have a 1 claim 1 ,6-relationship.5. The ink of claim 1 , wherein the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety have a 1 claim 1 ,7-relationship.6. The ink of claim 1 , wherein the α-carbon of the acrylate moiety and the α-carbon of the ethenyl or ethynyl moiety have a 1 claim 1 ,8-relationship.8. The ink of claim 7 , wherein X is O.9. The ink of claim 7 , wherein X is S.10. The ink ...

Non-Isocyanate Polyurethane Inks for 3D Printing

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink described herein comprises a cyclic carbonate monomer and an amine monomer. Further, in some instances, an ink described herein also comprises an ethylenically unsaturated monomer such as a (meth)acrylate. Additionally, an ink described herein, in some cases, further comprises a colorant, such as a molecular dye, a particulate inorganic pigment, or a particulate organic colorant. An ink described herein may also comprise one or more additives selected from the group consisting of inhibitors, stabilizing agents, photoinitiators, and photosensitizers. 1. An ink for use in a three-dimensional printing system comprising:a cyclic carbonate monomer; andan amine monomer.2. The ink of claim 1 , wherein the cyclic carbonate monomer comprises two cyclic carbonate moieties.7. The ink of claim 1 , wherein the cyclic carbonate monomer comprises one or more (meth)acrylate moieties.12. The ink of claim 1 , wherein the amine monomer comprises two amine moieties.13. The ink of claim 1 , wherein the amine monomer has the structure of Formula (B1):{'br': None, 'sub': 2', '10', '2, 'HN—R—NH\u2003\u2003(B1),'}{'sub': '10', 'wherein Ris a linear or branched C1-C36 alkyl or alkylene, alkenyl or alkenylene, aryl or arylene, or heteroaryl or heteroarylene moiety.'}14. The ink of claim 1 , wherein the amine monomer comprises at least one secondary or tertiary amine moiety.15. The ink of claim 1 , wherein the ink comprises 10-70 wt. % amine monomer claim 1 , based on a total weight of the ink.16. The ink of claim 1 , wherein the cyclic carbonate monomer comprises one or more ethylenically unsaturated moieties.17. The ink of claim 1 , wherein the ink comprises 10-70 wt. % of cyclic carbonate monomer claim 1 , based on a total weight of the ink.18. The ink of claim 1 , wherein the ink has a non-cured dynamic viscosity of about 200 to 2000 cP at 30° C.19. A printed three-dimensional article formed ...

Non-Isocyanate Polyurethane Inks for 3D Printing

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink described herein comprises a cyclic carbonate monomer and an amine monomer. Further, in some instances, an ink described herein also comprises an ethylenically unsaturated monomer such as a (meth)acrylate. Additionally, an ink described herein, in some cases, further comprises a colorant, such as a molecular dye, a particulate inorganic pigment, or a particulate organic colorant. An ink described herein may also comprise one or more additives selected from the group consisting of inhibitors, stabilizing agents, photoinitiators, and photosensitizers. 1. An ink for use in a three-dimensional printing system comprising:a cyclic carbonate monomer; andan amine monomer.2. The ink of claim 1 , wherein the cyclic carbonate monomer comprises two cyclic carbonate moieties.7. The ink of claim 1 , wherein the cyclic carbonate monomer comprises one or more (meth)acrylate moieties.12. The ink of claim 1 , wherein the amine monomer comprises two amine moieties.13. The ink of claim 1 , wherein the amine monomer has the structure of Formula (B1):{'br': None, 'sub': 2', '10', '2, 'HN—R—NH\u2003\u2003(B1),'}{'sub': '10', 'wherein Ris a linear or branched C1-C36 alkyl or alkylene, alkenyl or alkenylene, aryl or arylene, or heteroaryl or heteroarylene moiety.'}14. The ink of claim 1 , wherein the amine monomer comprises at least one secondary or tertiary amine moiety.15. The ink of further comprising a (meth)acrylate.16. A method of printing a three-dimensional article comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'selectively depositing layers of an ink in a fluid state onto a substrate, wherein the ink comprises the ink of .'}17. The method of claim 16 , wherein the ink comprises one or more (meth)acrylates and the method further comprises curing the (meth)acrylates with UV light and thermally curing the cyclic carbonate monomer and the amine monomer.18. A printed three- ...

THIOL-ENE INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink. 1. A kit for use in a three-dimensional printing system , the kit comprising:a first ink comprising a thiol monomer; anda second ink comprising an ene monomer; andwherein the thiol monomer and the ene monomer are not combined prior to printing.2. The kit of claim 1 , wherein the second ink further comprises a (meth)acrylate monomer that differs from the ene monomer of the second ink.3. The kit of claim 2 , wherein:the (meth)acrylate monomer differing from the ene monomer is 10-60 wt. % based on the total weight of the inks.4. The kit of claim 1 , wherein:the first ink comprises 5-40 wt. % thiol monomer, based on the total weight of the inks; andthe second ink comprises 5-40 wt. % ene monomer, based on the total weight of the inks.5. The kit of to claim 1 , wherein the thiol monomer comprises a plurality of thiol moieties.6. The kit of claim 1 , wherein the thiol monomer comprises pentaerythritol tetra(3-mercaptopropionate) (PETMP).7. A three-dimensional printing system comprising:a three-dimensional printer having a first ink dispenser or ink reservoir; anda first ink disposed in the first ink dispenser or ink reservoir; anda second ink dispenser or ink reservoir; anda second ink disposed in the second ink dispenser or ink reservoir;wherein the first ink comprises a thiol monomer; andwherein the second ink comprises an ene monomer; andwherein the thiol monomer and the ene monomer are not combined prior to printing.8. The system of claim 7 , wherein the second ink further ...

THIOL-ENE INKS FOR 3D PRINTING

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink. 2. The ink of further comprising:0.1-5 wt. % photoinitiator, based on the total weight of the ink.3. The ink of further comprising:0.05-1.5 wt. % inhibitor and/or stabilizing agent, based on the total weight of the ink.4. The ink of claim 1 , wherein the thiol monomer comprises a plurality of thiol moieties.5. The ink of claim 1 , wherein the thiol monomer comprises three or four thiol moieties.6. The ink of claim 1 , wherein the thiol monomer comprises pentaerythritol tetra(3-mercaptopropionate) (PETMP).8. The ink of claim 7 , wherein one or more of R claim 7 , R claim 7 , R claim 7 , and Ris CHor CHCH claim 7 , and R claim 7 , R claim 7 , R claim 7 , and Rare each H.9. An ink for use in a three-dimensional printing system comprising:5-40 wt. % thiol monomer;5-40 wt. % ene monomer; and10-60 wt. % (meth)acrylate monomer differing from the ene monomer, based on the total weight of the ink.10. The ink of claim 9 , wherein the (meth)acrylate monomer comprises a monomeric (meth)acrylate and an oligomeric (meth)acrylate.11. The ink of claim 9 , wherein the thiol monomer comprises a plurality of thiol moieties.12. The ink of claim 9 , wherein the thiol monomer comprises three or four thiol moieties.14. The ink of claim 13 , wherein one or more of R claim 13 , R claim 13 , R claim 13 , and Ris CHor CHCH claim 13 , and R claim 13 , R claim 13 , R claim 13 , and Rare each H.15. The ink of claim 9 , wherein the thiol monomer comprises pentaerythritol tetra(3-mercaptopropionate) (PETMP ...

Color stable inks and applications thereof

Radiation curable compositions useful in image projection systems

A radiation curable composition comprising: A) at least one urethane poly(meth) acrylate compound; B) at least one poly(meth)acrylate compound; C) at least one polyester poly(meth)acrylate compound; D) at least one silicone poly(meth)acrylate compound; E) at least one visible light range free radial photopolymerization initiator; and F) at least one UV light range free radical polymerization initiator.

Compositions and methods for selective deposition modeling

There is provided compositions and methods for producing three-dimensional objects by selective deposition modeling with a polar build material and a non-polar support material. The build material comprises a hydrocarbon wax material and a viscosity modifier, and the support material comprises a hydrocarbon alcohol wax material and a viscosity modifier. After the selective deposition modeling process has been completed, the of can be placed in a bath of polar solvent to remove the support material. The particular materials provided herein, and the post-processing methods associated therewith, provide for improved part quality of the three-dimensional object and for improved post-processing techniques. The three-dimensional objects can subsequently be used in a number of applications, such as patterns for investment casting.

Phase change support material composition

A jettable non-curable support material composition useful for three-dimensional ink jet printing comprising at least one fatty alcohol and at least one abietic rosin ester alcohol, wherein the support material has a melting point between about 50 °C to about 65 °C and a freezing point between about 45 °C to about 55 °C.

Build materials for 3d printing

Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks.

Biocompatible inks for 3d printing

Radiation curable compositions useful in image projection systems

A radiation curable composition comprising: A) at least one urethane poly(meth) acrylate compound; B) at least one poly(meth)acrylate compound; C) at least one polyester poly(meth)acrylate compound; D) at least one silicone poly(meth)acrylate compound; E) at least one visible light range free radial photopolymerization initiator; and F) at least one UV light range free radical polymerization initiator.

Radiation curable compositions useful in image projection systems

A radiation curable composition comprising: A) at least one urethane poly(meth) acrylate compound; B) at least one poly(meth)acrylate compound; C) at least one polyester poly(meth)acrylate compound; D) at least one silicone poly(meth)acrylate compound; E) at least one visible light range free radical photopolymerization initiator; and F) at least one UV light range free radical polymerization initiator.

Biocompatible inks for 3d printing

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises 10- 60 wt. % oligomeric curable material; 30-80 wt. % monomeric curable material; and 10-35 wt. % self-curable light-sensitive oligomer, based on the total weight of the ink. Moreover, in some cases, the ink is free or substantially free of non-curable photoinitiator. For example, in some instances, the ink further comprises less than 0.1 wt. % or less than 0.05 wt. % non-curable photoinitiator, based on the total weight of the ink.

Inks for 3D printing

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein is a composite ink. Such a composite ink, in some cases, comprises an optically transparent or substantially transparent carrier ink comprising a curable material; and a colorant dispersed in the carrier ink in an amount of about 0.01 to 5 weight %, based on the total weight of the composite ink.

Non-isocyanate polyurethane inks for 3d printing

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink described herein comprises a cyclic carbonate monomer and an amine monomer. Further, in some instances, an ink described herein also comprises an ethylenically unsaturated monomer such as a (meth)acrylate. Additionally, an ink described herein, in some cases, further comprises a colorant, such as a molecular dye, a particulate inorganic pigment, or a particulate organic colorant. An ink described herein may also comprise one or more additives selected from the group consisting of inhibitors, stabilizing agents, photoinitiators, and photosensitizers.

Phase change support material composition

A jettable non-curable support material composition useful for three-dimensional ink jet printing comprising at least one fatty alcohol and at least one abietic rosin ester alcohol, wherein the support material has a melting point between about 50 °C to about 65 °C and a freezing point between about 45 °C to about 55 °C.

Color stable inks and applications thereof

In one aspect, inks for use with a 3D printer are described herein. In some embodiments, an ink comprises a polymerizable material and a reactive wax comprising a saturated alkyl moiety bonded to an ethyleneically unsaturated moiety through a urethane, urea, ester, or carbonate ester linkage, wherein the ink is free or substantially free of non-reactive wax.

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt % to about 3.0 wt % of one or more collagens; about 5.0 wt % to about 40.0 wt % of one or more monomers; about 0.5 wt % to about 2.0 wt % of a photo initiator; and 0 wt % to about 75 wt % of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm 2 (Ec) when printed, and a green strength of at least about 5 kPa after drying. The present technology further includes methods of manufacturing a three-dimensional cell-receiving scaffold using the printable composition.

Thiol-ene inks for 3d printing

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt% to about 3.0 wt% of one or more collagens; about 5.0 wt% to about 40.0 wt% of one or more monomers; about 0.5 wt% to about 2.0 wt% of a photo initiator; and 0 wt% to about 75 wt% of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm2 (Ec) when printed, and a green strength of at least about 5 kPa after drying. The present technology further includes methods of manufacturing a three-dimensional cell-receiving scaffold using the printable composition.

Thiol-ene inks for 3D printing

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.

Manufacturing system and method for high performance customized articles

A three-dimensional (3D) printing system for manufacturing a 3D article includes a resin vessel, a build tray, a movement mechanism, a light engine, a housing, a gas handling system, and a controller. The resin vessel includes a transparent sheet on a lower side. The housing defines two chambers including an upper chamber and a lower chamber. The upper chamber is in fluidic communication with the resin contained by the resin vessel. The lower chamber is in fluid communication with a lower surface of the transparent sheet. The controller is configured to (a) operate the gas handling system to reduce and control a partial pressure of oxygen in the upper and lower chambers, (b) operate the movement mechanism and the light engine to form the 3D article in a layer-by-layer manner.

Stereolithography manufacturing system and method for high performance customized articles

A three-dimensional (3D) printing system (2) for manufacturing a 3D article (4) includes a resin vessel (6), a build tray (8), a movement mechanism (10), a light engine (12), a housing (14), a gas handling system (16), and a controller (18). The resin vessel includes a transparent sheet (20) on a lower side (22). The housing defines two chambers including an upper chamber (40) and a lower chamber (42). The upper chamber is in fluidic communication with the resin contained by the resin vessel. The lower chamber is in fluid communication with a lower surface (22) of the transparent sheet. The controller is configured to (a) operate the gas handling system to reduce and control a partial pressure of oxygen in the upper and lower chambers, (b) operate the movement mechanism and the light engine to form the 3D article in a layer-by-layer manner.

Chemisch verstärkte negativphotoresistzusammensetzung

Thiol-ene inks for 3d printing

In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.

構築材料およびその施用

【課題】剛性が高い構築材料を用いることによって、様々な工学用途に有用な完成部品を提供する。【解決手段】１つの態様において、３Ｄプリントシステムに使用可能な構築材料がここに記載されている。いくつかの実施の形態において、構築材料は、約１０から３０質量パーセントのオリゴマー硬化性材料、約５０から７５質量パーセントの少なくとも１種類の希釈剤、および約３から１５質量パーセントの反応性成分を含む。さらに、いくつかの場合、その構築材料は、非反応性ワックス成分を含まないか、または実質的に含まない。【選択図】なし

Build materials having a metallic appearance for 3d printing

In one aspect, composite build materials for use with a 3D printing system are described herein. In some embodiments, a composite build material described herein comprises a carrier ink comprising a curable material; and pigment particles dispersed in the carrier ink, wherein the pigment particles comprise mica. In some cases, the carrier ink is present in the composite build material in an amount of about 80-98% by weight, and the curable material comprises one or more species of monomeric and/or oligomeric (meth)acrylates. Additionally, in some instances, the pigment particles are present in the composite build material in an amount of about 2-8% by weight and comprise up to about 85% by weight mica, based on the total weight of the pigment particles. The pigment particles, in some cases, can also comprise TiO 2 and/or Fe 2 O 3 .

Support material and applications thereof

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol arid a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol.

Negative-acting chemically amplified photoresist composition

A chemically-amplified, negative-acting, radiation-sensitive photoresist composition that is developable in an alkaline medium, the photoresist comprising:a) a phenolic film-forming polymeric binder resin having ring bonded hydroxyl groups;b) a photoacid generator that forms an acid upon exposure to radiation, in an amount sufficient to initiate crosslinking of the film-forming binder resin;c) a crosslinking agent that forms a carbonium ion upon exposure to the acid from step b) generated by exposure to radiation, and which comprises an etherified aminoplast polymer or oligomer;d) a second crosslinking agent that forms a carbonium ion upon exposure to the acid from step b) generated by exposure to radiation, and which comprises either 1) a hydroxy substituted- or 2) a hydroxy C1-C4 alkyl substituted-C1-C12 alkyl phenol, wherein the total amount of the crosslinking agents from steps c) and d) is an effective crosslinking amount; ande) a photoresist solvent,and a process for producing a microelectronic device utilizing such a photoresist composition.

Chemisch verstärkte negativphotoresistzusammensetzung

Build material and applications thereof

In one aspect, build materials operable for use in 3 D printing systems are described herein. In some embodiments, a build material comprises about 10 to 30 percent by weight of an oligomeric curable material; about 50 to 75 percent by weight of at least one diluent; and about 3 to 15 percent by weight of a reactive component. Moreover, in some cases, the build material is free or substantially free of a non-reactive wax component.

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt% to about 3.0 wt% of one or more collagens; about 5.0 wt% to about 40.0 wt% of one or more monomers; about 0.5 wt% to about 2.0 wt% of a photo initiator; and 0 wt% to about 75 wt% of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt% to about 3.0 wt% of one or more collagens; about 5.0 wt% to about 40.0 wt% of one or more monomers; about 0.5 wt% to about 2.0 wt% of a photo initiator; and 0 wt% to about 75 wt% of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm 2 (Ec) when printed, and a green strength of at least about 5 kPa after drying. The present technology further includes methods of manufacturing a three-dimensional cell-receiving scaffold using the printable composition.

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt% to about 3.0 wt% of one or more collagens; about 5.0 wt% to about 40.0 wt% of one or more monomers; about 0.5 wt% to about 2.0 wt% of a photo initiator; and 0 wt% to about 75 wt% of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm 2 (Ec) when printed, and a green strength of at least about 5 kPa after drying. The present technology further includes methods of manufacturing a three-dimensional cell-receiving scaffold using the printable composition.

Ultra-violet light curable hot melt composition

A UV curable composition useful for three-dimensional inkjet printing comprising (i) at least one UV curable urethane (meth)acrylate resin; (ii) at least one wax; (iii) at least one (meth)acrylate diluent; (iv) at least one photoinitiator; and (v) at least one polymerization inhibitor; wherein the amount of wax (ii) is sufficient to phase change the UV curable composition after jetting.

Phasenwechselnde trägermaterialzusammensetzung

Material and method for producing cell receiving scaffold

A printable composition for the manufacture of cell-receiving scaffolds comprising about 0.3 wt% to about 3.0 wt% of one or more collagens; about 5.0 wt% to about 40.0 wt% of one or more monomers; about 0.5 wt% to about 2.0 wt% of a photo initiator; and 0 wt% to about 75 wt% of a vehicle comprising a protic solvent, by weight of the printable composition; wherein the printable composition has a resolution of about 100 microns or less when printed, a photo speed (Dp/Ec) of about 0.1-5 mm (Dp) and about 10-100 mJ/cm

Opaque inks and applications thereof

In one aspect, inks for use with a three dimensional printing system are described herein. In some embodiments, an ink for use in a three dimensional printing system comprises about 10-95 weight % polymerizable component and about 3-25 weight % non-reactive wax component, wherein the ink when cured has a T g greater than the melting point of the non-reactive wax component.

Method of printing a three-dimensional article

In one aspect, composite build materials for use with a 3D printing system are described herein. In some embodiments, a composite build material described herein comprises a carrier ink comprising a curable material; and pigment particles dispersed in the carrier ink, wherein the pigment particles comprise mica. In some cases, the carrier ink is present in the composite build material in an amount of about 80-98% by weight, and the curable material comprises one or more species of monomeric and/or oligomeric (meth)acrylates. Additionally, in some instances, the pigment particles are present in the composite build material in an amount of about 2-8% by weight and comprise up to about 85% by weight mica, based on the total weight of the pigment particles. The pigment particles, in some cases, can also comprise TiO 2 and/or Fe 2 O 3 .

Build material and applications thereof

In one aspect, build materials operable for use in 3D printing systems are described herein. In some embodiments, a build material comprises an oligomeric curable material, a reactive component that is solid at 25° C., and at least one diluent, wherein the reactive component comprises at least one chemical moiety that is polymerizable with a chemical moiety contained in the oligomeric curable material and/or the at least one diluent.

Support material and applications thereof

In one aspect, support materials operable for use in 3D printing systems are described herein. In some embodiments, a support material comprises a wax component comprising at least one ethoxylated fatty alcohol and a viscosity modifying agent, wherein the support material is water dispersible. In some embodiments, the wax component comprises a mixture of at least one fatty alcohol and at least one ethoxylated fatty alcohol.