Multi-stage orderedly arranged ZSM-5 nano rod bundle and preparation method thereof

The present invention belongs to the technical field of chemical engineering and relates, in particular, to a hierarchically arrayed ZSM-5 nano-rod bundle material and also to a preparing process thereof. The material has a bundle structure in large size; the rod bundle is very ordered in shape and consists of a plurality of flat strip-shaped ZSM-5 nano-rods arranged and piled in order along the c axis ([001]direction) thereof and thereby forms a hierarchically ordered structure. The material is prepared with hydrothermal one-step synthesis, which, more specifically, comprises crystallization of zeolite synthesizing solution under routine crystallizing conditions with water glass as the silicon source, with the porous metallic Raney Ni obtained after metallic aluminum extraction of nickel-aluminum alloy by sodium hydrate solution as the structure inductor and with ethylamine as micro-porous templates.

Process for producing antiviral viscose fiber

The invention relates to a method for preparing antibacterial viscose fiber, which comprises the following steps: (1) soaking pulverized cellulose in alkaline solution, squeezing to 2.5 to 5 times the dry weight, mechanically pulverizing, aging, vacuuming, adding CS2, sulfonating, adding alkaline solution, dissolving, and mixing uniformly with alkaline solution of antibacterial medicine to obtain a uniform and stable spinning stock solution; and (2) filtering the spinning stock solution, adding to coagulating bath to form as-spun fibers, stretching the as-spun fibers, and post-treating with the bath solution to obtain the antibacterial viscose fiber. The antibacterial viscose fiber obtained by the invention has the advantages of high resistance to various kinds of bacteria, high mechanical strength and high antibacterial durability, and the fiber still has certain antibacterial effect after cleaning for multiple times. The antibacterial viscose fiber can be widely used in the field of various ...

Separation nano membrane of hollow fibres and its preparing process

A nano-class separating hollow fiber membrane used in medicine, chemical and textile fields is prepared from cellulose and poly(ether sulfone) through adding solvent and additive, dissolving to obtain raw liquid, spinning, pore-keeping treating, washing in water and drying in air.

Health type viscose fiber with high wet modulus and its production process and use

The present invention is composed of cellulose and chitin with weight ration 2-9:0.02-2. Alkalifying and etiolating cellulose and chitin obtain the xanthogenate of cellulose and chitin. Dissolving the said xanthogenate of cellulose and chitin in sodium of hydroxide and water makes spinning dope. Using wet spinning or wet pipe forming methods, after drawing procedure makes the fiber. The physical and mechanical performance of the fiber can be enhanced after treatment with simple technique. The fiber can fabricate textile and cloth providing features of antibiosis, stopping itch and bleeding, odor dispelling. Fibrous membrane made by mixed cellulose with chitin as raw material can be used in artificial organs or water purifier.

Polysulfone and polyethy lene base polymer blend membrane, and its preparing and use

Material of artificial kidney for hemodialysis and its preparing method

Polyvinylidene fluoride and polyethersulfone blending membrane, production method and uses

Method for dissolving and processing hemp fibre by employing ionic liquid

The invention relates to a method of dissolving and processing a bamboo-hemp fibre by adopting an ionic liquid. The method has the following steps: firstly, the comminuted pulp of bamboo and hemp is well mixed with an ironic liquid, dissolved at a temperature of 35 to 160 DEG C, deaerated for 1 to 120 hours, and a homogeneous and stable spinning solution with a total solid content of 3 to 50 percent is formed, wherein, the mass ratio of bamboo and hemp is 1-99 percent to 99-1 percent; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a bamboo-hemp blended composite fibre is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The ironic liquid used in the invention has high production efficiency, is easy for callback and conforms to the requirement of a green production. The prepared composite fibre has excellent mechanical strength and mechanical property and the fabric made of the ...

Homogeneous bone for treating open fracture and preparation method thereof

The invention relates to a bone implant material for treating open bone defect with potential infection and a preparation method thereof, in particular to a bone allograft which is implanted for treating the open bone defect and made of the human bone allograft and the preparation method thereof. The invention can effectively control the local infection of the implanted bone without the second operation and reduce the toxicity or the side effects caused by systemic application of a large dose of an antibiotic of the existing treatment way by composite infiltration of an infectious bacteria-sensitive antibiotic and a sustained-release carrier of the antibiotic into a bone block of the allograft through the ultrasonic and vacuum composite operation, thereby being applicable to the bone transplantation treatment of the open bone defect with the potential infection.

HOLLOW FIBROUS MEMBRANE OF CELLULOSE MADE BY SOLOENT PROCESS

Method for manufacturing cellulose fibroin composite fiber by using solvent method

The invention relates to a method for adopting a solvent method to prepare celluloses silk protein composite fibers and the method comprises: (1) the crushing celluloses and the silk protein are uniformly mixed with ionic liquids and the mixture is dissolved for 1 to 120 hours under the temperature of 25 to 160 DEG C, and the spinning solution is formed the total solid content of which is 3 to 40 percent, wherein, the mixture ratio of the celluloses and the silk protein is 99:1 to 1:99; (2) after filtering and deaeration, spinning and coagulating bath solidifying are carried out; (3) the composite fibers are formed after a plurality of steps such as tension, water-washing, bleaching, oiling and drying. By adopting the ionic liquids to prepare fibers, the long and complex production processes of the viscose method are avoided, the production process is significantly shortened, the energy consumption of technique and the operation cost are low, the cellulose composite fibers have good mechanical ...

Method for dissolving and processing ceiba bamboo hemp fibre by employing ionic liquid

The invention relates to a method of dissolving and processing wood, cotton, bamboo and hemp fiber by using ion liquid, comprising a first step: uniformly mixing the crushed wood, cotton, bamboo, hemp and the ion liquid, dissolving and deaerating the mixture for 1 to 120 hours at 35 to 160 DEG C to form a homogeneous and stable spinning solution, wherein, the weight proportion of the wood, cotton, bamboo, or hemp is 1% to 96%; a second step: spinning and bath curing after filter and deaerating; a third step: pulling, rinsing, and bleaching, then oiling and drying to obtain a composite fiber. The dissolving and processing method is characterized in that the productivity of the ion liquid is high, the ion liquid is easy to recovery and meet the requirement of green production, the composite fiber has good mechanical strength and mechanical property, fabric made by the composite fiber has good hygroscopicity, nice air permeability, soft hand feeling, good drapability, easy colorizing, cool ...

Preparation method of human homologous tendon

The invention relates to a preparation method of human homologous tendon, which belongs to the technical field of biomedical materials. The invention mainly solves the technical problems of immunological rejection, bacterial infection, virus infection, complicated operation steps, and the like in the traditional method for transplanting homologous tendon. The preparation method of human homologous tendon comprises the following steps of: (1) cleaning the human homologous tendon; (2) freezing the cleaned human homologous tendon for 30-90 days; (3) trimming loose connective tissues surrounding the tendon; (4) immersing the trimmed tendon material in a mixed solution of peroxyacetic acid, ethanol and water, standing still for inactivation of viruses; (5) cleaning the inactivated tendon with water until the content of the peroxyacetic acid in the cleaning solution reaches a certain value for the last time; (6) trimming the tendon again, dripping the water on the surface of the tendon, vacuumizing ...

Production process of hollow blended polyether sulphone fiber dialysis membrane

The production method of new-type blended polyether sulphone hollow fiber dialysis membrane is characterized by that it uses polyether sulphone as main membrane-making material and uses other high polymers to make blending so as to obtain the invented hollow fibre dialysis membrane which possesses high strnegth, high compressive resistance, high disinfection resistance and good biological intermiscibility, and can change its property in large range, so that it can be suitable for the requirements of various dialyzation and superfilters.

Mixing-ultra filtering method treating system for cotton size black fluid

The process includes the step of adding flocculating agent in the black liquor of cotton pulp, after the flocculence settled down, the filtrate is ultrafiltrated polyethersulfone 2-5 times to entrap solid substances, the thin phase is reused directly. In said invention, only a little amount of cheap flocculating agent is added, the whole process can be proceeded under normal temp. and pressure, there is no other energy consumption except the power consumption of circulating pump. The COD removing rate of the processed black liquor is 50.87-80.98%, the alkali recovery rate is larger than 85%.

Method for preparing dye wood chromocor and daidizein from meadow clover isoflavone

The invention relates to a method for preparing genistein and daidzein by using red clover isoflavone, which belongs to the field of chemical synthesis technique. Red clover isoflavone formononetin and biochanin-a extract are served as raw materials and subjected to one-step chemical modification: the red clover isoflavone formononetin is converted into the daidzein, and the red clover isoflavone biochanin-a is converted into the genistein simultaneously and respectively; then, the products of the daidzein and the genistein are prepared after extraction, purification and separation are carried out. The preparation method of the invention has the advantages of simple and easy operation, over 96 percent of conversion rate and using the red clover which is renewable biological resource as raw materials, without occupying food resources and quality land; the red clover has high isoflavone content, thereby reducing the production cost for preparing the genistein and the daidzein.

Preparation method of artificial blood vessel and its application

The invention relates to a method for preparing an artificial vessel and the application thereof. The preparation method comprises the following steps: (1) in the preparation of membrane liquid, polymer that is 7 to 30 percent by weight proportion is added into organic solvent the weight proportion of which is 70 to 93 percent, so that casting solution is obtained through swelling and solution under the temperature between 40 DEG C and 80 DEG C; (2) in the preparation of the artificial vessel, a hollow fibre membrane is formed through the filtration and deaeration of the membrane liquid, serosity is squeezed out from a spinneret composed of two concentric tubes, the serosity which enters into precipitating bath through dry spinning then is processed through a post treatment process to obtain the artificial vessel. The method includes the application that the artificial vessel is transplanted to a physical organ or any organs which need quantities of vascular tissues to transport aliment ...

Mixing-ultra filtering method treating system for cotton size black fluid

The process includes the step of adding flocculating agent in the black liquor of cotton pulp, after the flocculence settled down, the filtrate is ultrafiltrated polyethersulfone 2-5 times to entrap solid substances, the thin phase is reused directly. In said invention, only a little amount of cheap flocculating agent is added, the whole process can be proceeded under normal temp. and pressure, there is no other energy consumption except the power consumption of circulating pump. The COD removing rate of the processed black liquor is 50.87-80.98%, the alkali recovery rate is larger than 85%.

Solvent preparation cellulose blending fibre and use thereof

The invention relates to a method of preparing a cellulose-blended fibre by using the solvent method and the application. The method has the following steps: firstly, the comminuted high-low-polymerization-mixed cellulose, hemp and polyacrylonitrile are well mixed with an ironic liquid, dissolved at a temperature of 25 to 160 DEG C, deaerated for 1 to 120 hours and a homogeneous and stable spinning solution with a total solid content of 3 to 40 percent is formed, wherein, the mixed mass ratio of the cellulose, hemp and polyacrylonitrile is 5-99.5 to 0-5 to 0.5-95; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a cellulose-blended fibre is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The application is that: the spinning stock solution composed of cellulose, hemp and polyacrylonitrile can be made into hollow fibre membranes, which are used for making artificial organs and ...

Method for producing antiviral regenerated cellulose fibre by using solvent method

The invention relates to a method for preparing antibacterial regenerated cellulose fiber by solvent method, which comprises the following steps: (1) mixing mechanically crushed cellulose with antibacterial medicine at a weight ratio of (2 to 200):1, adding into ionic liquid under mechanically stirring, and dissolving at 60 to 130 DEG C for 1 to 80 h to form a uniform spinning solution; and (2) filtering the spinning solution, defoaming, spinning, solidifying in coagulating bath, stretching, washing with water, and adding oil to obtain the target product, i.e. cellulose fiber. The cellulose fiber obtained by the invention has the advantages of high resistance to various kinds of bacteria and high mechanical strength, and can be widely used in the field of textile products with antibacterial and antivirus functions such as medical mask, protective clothing and bedcover for wards.

Method for dissolving and processing wood/cotton bamboo hemp fibre by employing ionic liquid

The invention relates to a dissolving and processing method for wood, cotton, bamboo and hemp fiber with ionic liquid, which is characterized in that: (1) the pulverized wood or the pulverized cotton, the pulverized bamboo and the pulverized bast pulp are uniformly mixed with the ionic liquid; the spinning solution of the total solid content of 3 to 40% is formed through dissolving and deaerating for 1 to 120 hours at 35 to 160 degrees centigrade; wherein the weight ratio of the wood or the cotton, the bamboo and the bast is 30 to 80% : 7 to 60% : 10 to 60% ; (2) the spinning and the concreting bathing solidification are carried out after being filtered and deaerated; (3) the oiling and the drying process are carried out after being pulled, rinsed and bleached, so as to obtain a composite fiber. The dissolving and processing method for wood, cotton, bamboo and hemp fiber with ionic liquid has the advantages that: due to use the ionic liquid, the productivity is high, the recovery is easy ...

Solvent preparation of cellulose fiber releasing anion and use thereof

The invention relates to a method of preparing a cellulose fibre releasing anions by using the solvent method and the application. The method has the following steps: firstly, the comminuted cellulose, tourmaline powder and addition agent are well mixed with an ironic liquid, dissolved at a temperature of 35 to 160 DEG C, deaerated for 1 to 120 hours and a homogeneous and stable spinning solution with a total solid content of 3 to 30 percent is formed, wherein, the mixed mass ratio of the tourmaline powder is 0.01 to 20 percent and the added mass ratio of the addition agent is 0 to 10 percent; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a composite fibre of cellulose and tourmaline powder is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The composite fibre has the functions of releasing anions, generating far infrared radiation, generating biocurrent and suppressing bacteria ...

Solvent preparation cellulose bamboo charcoal fibre and use thereof

The invention relates to a method of preparing a cellulose bamboo charcoal fibre by using the solvent method and the application. The method has the following steps: firstly, the comminuted cellulose, bamboo charcoal powder and addition agent are well mixed with an ironic liquid, dissolved at a temperature of 35 to 160 DEG C, deaerated for 1 to 120 hours and a homogeneous and stable spinning solution with a total solid content of 3 to 30 percent is formed. The mixed mass ratio of the bamboo charcoal powder is 0.01 to 20 percent and the added mass ratio of the addition agent is 0 to 10 percent; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a blended composite fibre of cellulose and bamboo charcoal, which is applicable to the fields of garments, ornaments and medical textiles, is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The ironic liquid used in the invention is of high ...

Method for preparing dye wood chromocor and daidizein from meadow clover isoflavone

The invention relates to a method for preparing genistein and daidzein by using red clover isoflavone, which belongs to the field of chemical synthesis technique. Red clover isoflavone formononetin and biochanin-a extract are served as raw materials and subjected to one-step chemical modification: the red clover isoflavone formononetin is converted into the daidzein, and the red clover isoflavonebiochanin-a is converted into the genistein simultaneously and respectively; then, the products of the daidzein and the genistein are prepared after extraction, purification and separation are carried out. The preparation method of the invention has the advantages of simple and easy operation, over 96 percent of conversion rate and using the red clover which is renewable biological resource as raw materials, without occupying food resources and quality land; the red clover has high isoflavone content, thereby reducing the production cost for preparing the genistein and the daidzein.

Short peptide modified polylysine-polylactic copolymer nano particle and its preparation method and use

The invention belongs to nanometer technology field. A short peptide modified nanometer of polylysine-poly lactic acid copolymer is disclosed. The nanometer particle comprises medicine and nanometer particle carrier of polylysine-poly lactic acid copolymer modified by arginyl-glycyl-aspartyl sequence short peptide. The nanometer carrier material can be used as organic drug, water soluble drug or water insoluble drug. The preparation process is simple and is suitable for mass production especially for preparing the targeted tumor resistant drug.

Preparation process of egg embryo liquid

An egg embryo liquid as nutritive food is prepared through such steps as fertilized eggs of fowls being physiologically incubated in constant-temp. machine for a certain time, extracting tissue liquid from embryo, quantitative packing, sealing and sterilization and features easy suction by human body, so especially suiting for weak and sanile persons.

Core-shell structure zeolite multilevel ordered mesopore and micropore composite material and preparation method thereof

The invention belongs to the field of media-micro-hole composite materials techniques. In particular, the invention relates to a shell-core structured zeolite multi-layered media-micro-hole compositematerial and method for preparing same. The material is a regular polyhedron in appearance and has shell-core structure. The polyhedron shell is of single-crystal structure and the core is piled up bynano-crystals, and the material also has the inherent micro-holes of the zeolite molecular screen and the media-holes produced by piling up of the nano-crystal. Therefore, the material has the media-micro-hole two hole-channels compound holes structure. The invention uses NaSiO3 as the silica source, the metal Al extracted from Ni/Al alloy by the NaSiO3 as the aluminum source and athylamine and the residue Raney Ni of Ni/Al alloy extraction as the auxiliary. The material is obtained by crystallizing the zeolite synthesizing solution in the regular crystallization condition and the shell thickness ...

Method of discriminating key points in macroporous resin separation and purification process of traditional Chinese medicines

The invention provides a method of discriminating key points in macroporous resin separation and purification process of traditional Chinese medicines. Rapid quantification of active ingredient contents during the process of macroporous resin adsorption and elution is realized by establishing the quantitative model of soup active ingredient contents and near infrared spectroscopy during the process of macroporous resin adsorption and elution of traditional Chinese medicines and applying it to the content prediction of samples to be measured. Rapid judgement of leak point and endpoint in adsorption process and start point and endpoint in elution process is also realized, thereby enabling the operations to be more reasonable during macroporous resin separation and purification process. The method has the advantages of simple operation, accurate results and fast analysis. Rapid judgement of key points in macroporous resin separation and purification process of traditional Chinese medicines ...

Preparation and application of cellulose mixed fibre using ion liquid as solvent

The present invention relates to a method for preparing cellulose polyblend fiber by using ionic liquid as solvent and its application method. Said preparation method includes the following steps: (1), uniformly mixing pulverized cellulose, chitin/chitosan and ionic liquid, dissolving them for 1-80 h at 25-160 deg.C so as to obtain the uniform stable spinning solution whose total solid content is 3-40%; (2), filtering and defoaming, then making the spinning solution be passed through single-hole or multi-hole spinneret, and fed into a coagulating bath and solidified, its spinning speed is 5-150 m/min; and (3), plasticizing, drawing, washing, bleaching, oiling and drying so as to obtain the invented cellulose polyblend fiber product. The spinning solution prepared by aid invention also can be used for preparing hollow fiber membrane, specially, can be used for making artificial organ and membrane for water purifier.

Silicone defoaming agent for papermaking and pulping and preparation method thereof

The invention provides a silicone defomaing agent for papermaking and pulping and a preparation method thereof, which belong to the papermaking chemicals, and mainly comprise silicon grease mixture, silicon oil mixture, emulsifier, thickener and water. In the defoaming agent emulsion, silicon grease mixture and silicon oil mixture account for 70 to 90 percent of the active matter content, wherein total active matter content accounts for 5 to 30 percent of total content of emulsion, and the rest medium is water. The anti-foaming performance is improved through the silicon grease mixture, the defoaming performance is improved through the silicon oil mixture, the viscosity of the silicon grease is reduced by adding the emulsifier, and the emulsion effect is improved. The silicone defoaming agent has novel formula composition and good defoaming and anti-foaming performance, and has excellent performance in the papermaking pulping work procedure and partial water systems.

Emulsion antifoaming agent for making paper and preparation method thereof

The invention provides an emulsion antifoaming agent for making paper and a preparation method thereof and belongs to paper-making chemicals. The emulsion antifoaming agent mainly comprises higher fatty alcohol having 12 to 36 carbon atoms, fatty acid ester, polyether, mineral oil, an emulsifying agent, a thickening agent, a disinfectant and water. A process for preparing the antifoaming agent comprises the following steps of: premixing and fusing an antifoaming active substance and the emulsifying agent; after the temperature of a system rises to a certain extent, adding water into the mixture at one time; homogenizing the mixture for a certain period of time under the action of high shear; and after the mixture is cooled to normal temperature, adding the thickening agent, the disinfectant and a preservative to obtain the antifoaming agent. The emulsion antifoaming agent has the advantages of simple and convenient production process, readily available raw materials, good antifoaming and ...

Preparation and application of bamboo pulp fibre using ion liquid as solvent

The present invention relates to a method for preparing bamboo pulp fiber by using ionic liquid as solvent and its application. Its preparation method includes the following steps: (1), uniformly mixing the pulverized bamboo pulp and ionic liquid, dissolving for 1-80 h at 35-160 deg.C so as to obtain the uniform stable spinning solution whose total solid content is 3-40%; (2), filtering and defoaming, then making the spinning solution be passed through multi-hole spinneret and fed into a coagulating bath and solidified, its spinning speed is 5-150 m/min; and (3), plasticizing, drawing, washing, bleaching, oiling and drying so as to obtain the bamboo pulp fiber product. The spinning solution prepared by said invention also can be used for preparing hollow fiber membrane, specially, can be used for making artificial organ and membrane for water purifier.

New material for ascites ultrafiltering, concentrating and back-infusing device and producing method

The present invention relates to the field of artificial organ technology. The new material for ascites ultrafiltering, concentrating and back infusing device is hollow crossblended polyethersulfone fiber film. The new material features good biological compatibility, high physical and chemical stability, concentration times as high as 7, protein cutoff over 88 %, and protein back infusing amount each time of 40-60 g. The present invention makes it possible to back infuse protein to body, to avoid the denaturalization of protein and to raise the treatment effect, especially the treatment safety.

Production for cellulosic composite fiber emitting negative ion and application thereof

The invention relates to preparation and application of a cellulose/ inorganic breeze compound fiber that releases negative ions. The preparation: (1) ground cellulose, inorganic breeze, an assistant are evenly mixed with ionic liquid, dissolved and defoamed at 35-160 DEG C for 1-120 hours, thus forming even and stable spinning solution with the total solid content of 3-30 percent, wherein, the mass mixture ratio of the inorganic breeze is 0.01-20 percent and the added mass of the assistant is 0-10 percent; (2) the mixture is carried out by spinning and curing of solidifying bath after being filtered and defoamed; (3) the cellulose/ inorganic breeze compound fiber is obtained by stretching, water washing, blanching and the procedures of oiling and drying. The compound fiber not only has the function of releasing negative ions, but also has the functions of producing far-infrared radiation, generating biocurrent and inhibiting bacteria, etc., thus being applicable to the fields of costume ...

Multi-stage ordered arranged ZSM-5 nano rod bundle and preparation method thereof

The present invention belongs to the technical field of chemical engineering and relates, in particular, to a hierarchically arrayed ZSM-5 nano-rod bundle material and also to a preparing process thereof. The material has a bundle structure in large size; the rod bundle is very ordered in shape and consists of a plurality of flat strip-shaped ZSM-5 nano-rods arranged and piled in order along the c axis ([001]direction) thereof and thereby forms a hierarchically ordered structure. The material is prepared with hydrothermal one-step synthesis, which, more specifically, comprises crystallization of zeolite synthesizing solution under routine crystallizing conditions with water glass as the silicon source, with the porous metallic Raney Ni obtained after metallic aluminum extraction of nickel-aluminum alloy by sodium hydrate solution as the structure inductor and with ethylamine as micro-porous templates.

Method for dissolving and processing wood-hemp composite fiber by ionic liquid

The invention relates to a method for dissolving and manufacturing wood-hemp composite fiber by adopting ionic liquid, which comprises the following steps: (1) homogeneously mixing the comminuted wood pulp and hemp with the ionic liquid, dissolving at the temperature of 160 DGE C, de-aerating for 1-120h, forming spinning solution whose total solid content is 3-30%, wherein the mass ratio of the wood and hemp is 1%-99% : 99%-1%, (2) spinning, solidifying by the solidifying bath after filtering and de-aerating, (3) obtaining the composite fiber after stretching, water washing, bleaching, and processes of oiling and drying. The method adopts ionic liquid to prepare fiber, which is highly efficiency and green environmental protection, the prepared fiber has good mechanical strength, and fabric which is prepared by using the fiber has the advantages of good hygroscopic property, strong air permeability, soft feel, good drapability, easy tintage and cool feel.

Composite active carbon fiber with polyvinyl membrane coating on surface and production thereof

Hollow cellulous dialyzing and ultra filtrating membrane of cross blend polyethersulfone, its manufacturing method and usage

The invention concerns the technique field of high numerator material film, which offers a new kind of a high thin film, producing way and its use. The way of the invention use the ether as the main material, mixing other high ju things. This film has high strength, disinfection, can change the function in the large field, so as to meet every need of dialysis and super filter equipment.

Method for dissolving and processing regenerated hemp fibre by employing ionic liquid

The invention relates to a dissolving and processing method for regenerated hemp fiber with ionic liquid, which is characterized in that: (1) the pulverized bast is uniformly mixed with the ionic liquid; thus the spinning solution of the total solid content of 3 to 30% is formed through dissolving and deaerating for 1 to 120 hours at 35 to 160 degrees centigrade; (2) the spinning and the concreting bathing solidification are carried out after being filtered and deaerated; (3) the oiling and the drying process are carried out after being pulled, rinsed and bleached, so as to obtain a composite fiber. The dissolving and processing method for regenerated hemp fiber with ionic liquid has the advantages that: due to use the ionic liquid to prepare the fiber, the efficiency is high and the green environmental protection is realized; the prepared fiber has good mechanical strength; and the fabric prepared by using the fiber has good moisture absorption performance, strong air permeability, soft ...

Material of artificial kidney for hemodialysis and its preparing process

A new material for the artificial kidney for hemodialysis is disclosed, which is a hollow fibre membrane of mixed polyether-sulfone. Its advantages include high biocompatibility, physiochemical stability and selective separability. Its preparing process is also disclosed.