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948results about "Physical treatment" patented technology

Crystalline polyaryletherketone surface grafted carbon fiber and preparation method thereof

The invention discloses a crystalline polyaryletherketone surface grafted carbon fiber and a preparation method thereof, and belongs to the technical field of carbon materials.The preparation method comprises the following steps that an amino end-capping reagent containing sulfuryl, a difluoro monomer, a bisphenol monomer and potassium carbonate are placed in sulfolane to be subjected to a polymerization reaction, and amino-terminated polyarylether is obtained; carrying out diazonium salt reaction on the amino-terminated polyarylether and nitrite tetrafluoroborate to obtain diazonium salt-terminated polyarylether; connecting the carbon fiber with a cathode, immersing the carbon fiber in an electrolyte containing diazonium salt terminated polyarylether, and applying a reduction potential for reaction to obtain polyarylether grafted carbon fiber; and carrying out hydrolysis reaction on the carbon fiber grafted with polyarylether in an acid environment to obtain the crystalline polyaryletherketone surface grafted carbon fiber. According to the crystalline polyaryletherketone surface grafting modified carbon fiber prepared by the invention, the carbon fiber is directly connected with a polymer through high-temperature-resistant and corrosion-resistant phenyl and sulfuryl, so that the crystalline polyaryletherketone surface grafting modified carbon fiber has better high-temperature resistance and corrosion resistance.
Owner:JILIN UNIVERSITY

Wettability-adjustable Janus structure photo-thermal fabric as well as preparation method and application thereof

ActiveCN119145215Aefficient water supplyefficient thermal managementPhysical treatmentGeneral water supply conservationFiberCarbon fibers
The invention discloses a Janus structure photo-thermal fabric with adjustable wettability and a preparation method and application thereof, and belongs to the technical field of solar interface water evaporation. According to the wettability-adjustable Janus structure photo-thermal fabric, a hydrophobic carbon fiber fabric serves as a substrate, a hydrophilic layer is arranged on one side of the hydrophobic carbon fiber fabric, a hydrophobic layer is arranged on the other side of the hydrophobic carbon fiber fabric, the hydrophilic layer is a deposited CuS layer, and the hydrophobic layer is a non-deposited CuS layer. And the hydrophilic layer with radial pores is formed by connecting CuS nanosheets grown on the surface of the hydrophobic carbon fiber fabric in a staggered manner. The problems that in the evaporation process of an existing two-dimensional evaporator, due to water energy imbalance, heat loss and evaporator surface salt deposition are caused, and due to the fact that light absorption and water transmission of the evaporator coexist in the same space, inevitable mutual influence is caused can be solved, and the efficient and long-term stability of the evaporator is improved.
Owner:SHAANXI UNIV OF SCI & TECH

Lightweight cut-resistant four-dimensional structure fabric based on high-performance composite fibers and preparation method thereof

The invention belongs to the technical field of personal protection equipment, and particularly relates to a lightweight cut-resistant four-dimensional structure fabric based on high-performance composite fibers and a preparation method of the lightweight cut-resistant four-dimensional structure fabric. The structure is based on a high-performance composite fiber material and a nano silicon carbide embedding technology of high-performance polyethylene fibers, the hardness bottleneck of a single material is broken through, and multi-fiber compatibility is improved through cooperation of polyurethane fiber surface activation and polyurethane fiber anti-melting modification. The gradient twist core sheath yarn is a high-performance composite yarn, and the strength and the flexibility are balanced. In the aspect of the oversleeve fabric structure, a three-dimensional protection system comprising a honeycomb structure, a silica gel liner and a skin-friendly inner layer is adopted, so that the integration of multiple functions of hydrophobicity, fusion resistance and buffering of a light-weight cut-resistant material is realized. Under the EN 388 standard, 5-level cutting prevention can be achieved, a single high-performance polyethylene fiber cutting prevention oversleeve can only reach 3-4 levels, the weight of the composite fiber material is reduced by 40% compared with that of a full aramid fiber oversleeve, the thickness is reduced by 25%, and the composite fiber material can be suitable for complex scenes such as petroleum and electric power.
Owner:JIANGSU SHUNTIAN YISHANG TECHNOLOGY CO LTD +1

Preparation method of composite sound-absorbing material for motor home

The invention discloses a preparation method of a composite sound-absorbing material for a motor home, and relates to the technical field of sound-absorbing materials, the preparation method comprises the following steps: S1, preparing a functional polymer; step S2, modifying the graphene sponge; step S3, preparation of functional fibers; step S4, surface modification; and S5, preparing the composite sound-absorbing material. The composite sound-absorbing material is good in weather resistance and mechanical property and remarkable in sound-absorbing effect.
Owner:YANGZHOU SAIDE RV CO LTD

Plant fiber pile fabric textile

A plant fiber deep pile fabric is disclosed that closely resembles animal fur or wool manufactured via a method that includes extracting the plant fibers from the plant material and forming a yarn or sliver made from plant fibers and simultaneously attaching it to a scrim also made from plant fibers, where the fiber is attached and extends from the scrim to form a length of plant-fiber pile fabric having natural plant fibers on one side and the scrim on the opposite side. The method includes finishing the scrim side of the fabric with an adhesive agent to attach the fibers to the scrim and form a stable base. The method also includes finishing the plant fiber pile side of the fabric by applying fur-industry specific processing steps to alter the properties of the fibers resulting in an even closer resemblance of animal fur.
Owner:BIOFLUFF INC

Wear-resistant nanofiber reinforced protective graphene fiber as well as preparation method and application thereof

The invention belongs to the technical field of functional composite fibers, and discloses a wear-resistant nanofiber-reinforced protective graphene fiber and a preparation method and application thereof.The wear-resistant nanofiber-reinforced protective graphene fiber comprises a graphene fiber tow and nanofibers, the nanofibers coat the graphene fiber tow in a three-dimensional porous network mode, and the nanofibers coat the graphene fiber tow in a three-dimensional porous network mode. Forming a stress buffer layer; wear-resistant particles are uniformly loaded in the three-dimensional porous network; the preparation method comprises the following steps: fixing the graphene fibers subjected to surface pretreatment on an electrostatic spinning nano-yarn machine, forming a nano-fiber membrane by utilizing electrostatic spinning, uniformly wrapping the graphene fibers subjected to surface pretreatment with the nano-fiber membrane, then rolling into a shaft, and then carrying out hot-pressing roller treatment on the rolled fiber bundle, so as to obtain the graphene nano-yarn. The wear-resistant nanofiber reinforced protective graphene fiber is prepared; the graphene fiber is used for weaving to obtain the graphene fiber fabric. The fiber prepared by the invention and a fabric woven by using the fiber have excellent mechanical properties, wear resistance, electric conductivity and heat conductivity.
Owner:DONGHUA UNIV

Woven suede fabric and preparation process thereof

The invention discloses a woven suede fabric and a preparation process thereof, and relates to the technical field of fabrics. According to the preparation method, the base cloth is subjected to dipping treatment by using the dipping liquid, so that the woven suede fabric with excellent flame retardance is prepared. A modified metal organic framework material is added into an impregnation liquid, the metal organic framework material has excellent thermal stability, 2-methylimidazole and zinc nitrate are used as raw materials, hexachlorocyclotriphosphazene with a good flame-retardant effect is packaged into the metal organic framework material, and the flame-retardant performance of the material is improved. The flame-retardant effect of the metal organic framework material is further enhanced, so that the flame-retardant property of the woven suede fabric is improved. The metal organic framework material is treated by using phytic acid, then copper sulfate pentahydrate is added, more metal ions can be chelated through the chelating performance of phytic acid on the metal ions, the catalytic carbonization effect is achieved, and therefore the flame retardant property of the woven suede fabric is improved.
Owner:CHANGZHOU BEAUTIFUL KNITTING TECH

Preparation method of conductive thermal response drug release suture line

The invention discloses a preparation method of a conductive thermal response drug release suture line, the obtained suture line has an inner conductive sensing functional coating and an outer thermal response drug-loading temperature-sensitive hydrogel functional coating, the inner coating has conductivity, heating property and wound sensing function, and the outer coating has thermal response drug-loading temperature-sensitive hydrogel functional coating. The outer coating has the functions of adhesion, drug carrying and thermal response drug release, the suture line is simple in process and convenient to operate, drug release can be regulated and controlled according to conductive thermal response, and the requirements of postoperative wound monitoring and on-demand treatment can be met.
Owner:SUZHOU UNIV

Functional aramid fiber UD cloth and preparation method thereof

The invention relates to the technical field of textiles, and discloses functional aramid fiber UD cloth and a preparation method thereof.The functional aramid fiber UD cloth is formed by taking modified aramid fiber as a base material, gluing the modified aramid fiber with epoxy resin glue, overlapping the modified aramid fiber with a low-density polyethylene film and then curing the modified aramid fiber and the low-density polyethylene film, and the modified aramid fiber is aramid fiber with the surface modified with a macromolecular modifier. The macromolecular modifier structure contains a large number of ether bonds and hydroxyl groups, the ether bonds can generate hydrogen-bond interaction with epoxy resin molecular chains, and the hydroxyl groups can participate in the curing process of epoxy resin glue in the subsequent hot pressing process; the branched structure of the macromolecular modifier can form a hydrogen bond connection site at the interface of the aramid fiber and the glue, and a hydrogen bond connective network is formed, so that the affinity of the aramid fiber and the epoxy resin glue is greatly improved, and the phenomena of layer warping, swelling and the like of the subsequently prepared UD cloth can be avoided.
Owner:HEBEI ANTAI FUYUAN NEW MATERIALS CO LTD

Crease-resistant and wear-resistant flax blended yarn and processing technology thereof

The invention discloses an anti-wrinkle wear-resistant flax blended yarn and a processing technology thereof, and relates to the technical field of textiles. The prepared flax blended yarn comprises natural fibers, modified polylactic acid fibers and ultra-high molecular weight polyethylene fibers. Wherein the natural fibers are obtained by performing degumming pretreatment on linen fibers and bamboo fibers and then mixing the linen fibers and the bamboo fibers with cotton fibers; graphene oxide is deposited on the surface of the fiber through dopamine polymerization, so that the wear resistance of the yarn is improved; the modified polylactic acid fibers are obtained through melt spinning of polylactic acid, poly (adipic acid) / butylene terephthalate and modified chitin nanofibers, the compatibility of the chitin nanofibers and the polylactic acid is improved through polyethylene glycol, and the polylactic acid fibers are enhanced; coarse yarns are obtained through combing, drawing, roving and spinning, the coarse yarns are soaked in a finishing agent, and finally the finished blended yarns are obtained and have good wear resistance and wrinkle resistance.
Owner:TEXHONG TEXTILE HUAIAN CO LTD

Carbon fiber hydrophilic modification method

The invention discloses a hydrophilic modification method of a carbon paper raw material carbon fiber. The hydrophilic modification method comprises the following steps: (1) pretreating carbon fibers; (2) preparing a hydrophilic reagent dopamine solution; (3) carrying out hydrophilic modification treatment on the carbon fibers; and (4) cleaning and drying the carbon fibers subjected to hydrophilic treatment. The method disclosed by the invention can be used for simply, efficiently and quickly carrying out hydrophilic modification treatment on the surface of the carbon fiber at low cost, and the obtained carbon fiber has excellent surface hydrophilic performance and good hydrophilic durability and is suitable for industrial continuous production.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Wear-resistant nanofiber-reinforced protective graphene fibers and their preparation methods and applications

The present invention belongs to the technical field of functional composite fibers, and discloses a wear-resistant nanofiber-reinforced and protected graphene fiber, a preparation method thereof and an application. The wear-resistant nanofiber-reinforced and protected graphene fiber comprises a graphene fiber bundle and nanofibers. The nanofibers coat the graphene fiber bundle in the form of a three-dimensional porous network to form a stress buffer layer; wear-resistant particles are uniformly loaded inside the three-dimensional porous network. The preparation method is as follows: fixing the surface-pretreated graphene fiber on an electrospinning nanofiber yarn machine, forming a nanofiber membrane by electrospinning and uniformly wrapping it on the surface-pretreated graphene fiber, then winding it into a roll, and then performing a hot roll treatment on the wound fiber bundle to obtain the wear-resistant nanofiber-reinforced and protected graphene fiber. The application is: used for weaving to obtain a graphene fiber fabric. The fiber prepared by the present invention and the fabric woven therefrom have excellent mechanical properties, wear resistance, electrical conductivity and thermal conductivity at the same time.
Owner:DONGHUA UNIV

Preparation process of cutting-resistant and puncture-proof protective gloves

The invention discloses a preparation process of cutting-resistant and puncture-proof protective gloves, and belongs to the technical field of preparation methods of protective gloves. According to the technology, the four steps of pretreatment, composite coating material dipping, dipping of different butadiene-acrylonitrile rubber latexes and partitioned vulcanization treatment are adopted, balance of protection performance and wearing comfort is achieved through combination of technology optimization and material innovation, the cutting resistance of the prepared protective gloves reaches the grade E of the GB24541-2022 standard, the puncture resistance and the tear resistance both reach the grade 4, and the service life of the protective gloves is prolonged. And the composite material is good in air permeability and excellent in durability, is particularly suitable for high-risk operation scenes such as military, security and metal processing, and has remarkable technical progress and industrialization value.
Owner:SHANDONG JINGYUANJI LABOR PROTECTION PROD CO LTD

Breathable composite fabric and preparation process thereof

The invention relates to the field of fabrics, in particular to a breathable composite fabric and a preparation process thereof.The breathable composite fabric is characterized in that base cloth and a reinforcing layer are subjected to composite crocheting through polyester fibers to obtain a fabric body, and then the fabric body is transferred to protective finishing liquid to be subjected to padding treatment; bamboo charcoal fibers and cotton fibers are blended to serve as warps, the cotton fibers serve as wefts, and the warps and the wefts are interwoven to form base cloth; bamboo charcoal fibers are selected as warps, polyester fibers are selected as wefts, and the warps and the wefts are interwoven to form a reinforcing layer; the preparation method comprises the following steps: modifying chitosan with acrylic acid to obtain soluble N-carboxyethyl chitosan; the preparation method comprises the following steps: quantitatively modifying vanillin methacrylate by gelatin, modifying the gelatin by dopamine, and then grafting hexaborophosphazene; the preparation method comprises the following steps: by taking zinc acetate as a zinc source and cellulose nanocrystals as a template, carrying out in-situ polymerization-precipitation to obtain composite cellulose nanocrystals, carrying out dopamine polymerization to obtain polydopamine-coated composite cellulose nanocrystals, and then grafting hexaborophosphazene to obtain the modified cellulose nanocrystals.
Owner:CHANGZHOU BEAUTIFUL KNITTING TECH

Knitted fabric, and production method of dyed knitted fabric using the same

To provide a knitted fabric hard to reduce uniform dying property, and a production method of a dyed knitted fabric using the same.SOLUTION: A knitted fabric of the present invention in one embodiment includes: a mixed spun yarn (A) including a modified cellulosic fiber, and a regular cellulosic fiber; a spun yarn (B) including a regular cellulosic fiber; and a polyurethane elastic yarn, where the modified cellulosic fiber is obtained by introducing an ethylenic double bond, and a carboxyl group (-COOH) or a salt thereof to a regular cellulosic fiber, and the polyurethane elastic yarn can be heat-set at a temperature of lower than 180°C. The mass ratio of the modified cellulosic fiber included in the knitted fabric is preferably 3-30 mass% on the basis of total 100 mass% of mass ratios of the modified cellulosic fiber, the regular cellulosic fiber, and the polyurethane elastic yarn.SELECTED DRAWING: Figure 1
Owner:KURABO INDUSTRIES LTD

Epoxy impregnated aramid fiber composite paper treatment method based on non-thermal atmosphere plasma

The invention relates to the technical field of material surface treatment, and discloses an epoxy impregnated aramid fiber composite paper treatment method based on non-thermal atmospheric plasmas, aramid fiber composite paper, a heterocyclic aramid fiber solution, an epoxy resin prepolymer, a curing agent and a solvent are prepared, after the aramid fiber composite paper is subjected to surface cleaning, non-thermal atmospheric plasma treatment is carried out, and the surface of the aramid fiber composite paper is dried to obtain the epoxy impregnated aramid fiber composite paper. The preparation method comprises the following steps: preparing a heterocyclic aramid solution, putting aramid composite paper into the heterocyclic aramid solution, carrying out primary impregnation, carrying out drying and curing after impregnation, preparing an epoxy resin prepolymer, putting the aramid composite paper into the epoxy resin prepolymer, carrying out secondary impregnation, removing excess resin after impregnation, and preparing the aramid composite paper with the excess resin removed, according to the method, the non-thermal atmosphere plasma treatment technology and the step-by-step impregnation technology are combined, the synergistic effect of heterocyclic aramid and epoxy resin can be fully exerted, and therefore the interface adhesive force between fibers is improved.
Owner:SHAANXI SHENGSHI CHENYANG TECH DEV CO LTD

Preparation method of high-strength low-shrinkage composite yarn for spinning

The invention belongs to the technical field of textile material processing, and particularly discloses a preparation method of high-strength low-shrinkage composite yarn for spinning. A preparation method of a high-strength low-shrinkage composite yarn for spinning comprises the following steps: (1) respectively drying ultra-high molecular weight polyethylene and PET polyester, adding maleic anhydride grafted PE, a treated metal organic framework material, boron carbide nanoparticles, cellulose acetate and a silane coupling agent KH550, uniformly mixing, and carrying out melt extrusion to obtain nascent fibers; (2) performing first-stage pre-drafting, second-stage high-temperature tension field drafting and third-stage low-temperature relaxation treatment on the nascent fiber to obtain treated fiber; and (3) dipping the treated fiber in an ethanol solution containing nano SiO, and performing infrared radiation curing to obtain the high-strength low-shrinkage composite yarn for spinning. The composite yarn has good mechanical strength, wear resistance and low contractibility, and the yarn has wide application due to the high breaking strength.
Owner:HANGZHOU LINGJIE LACE&COTTON THREAD CO LTD

All-polyester whole-core flame-retardant conveying belt and preparation method thereof

The invention discloses a full-polyester whole-core flame-retardant conveying belt and a preparation method thereof, and relates to the technical field of conveying belts. The conveying belt comprises a three-layer structure, wherein the inner layer is a plasma-treated full-polyester fiber belt core, the middle layer is a polyurethane flame-retardant composite layer, and the outer layer is a maleic anhydride modified nitrile rubber layer. The preparation method comprises the following steps: carrying out argon plasma treatment on the belt core, drying, preparing waterborne polyurethane resin, a phosphate flame retardant, nano-montmorillonite, a silane coupling agent and carbodiimide into impregnation liquid, carrying out vacuum impregnation on the belt core, and carrying out thermocuring to form the polyurethane composite layer, and finally, mixing the maleic anhydride grafted and modified nitrile rubber with an aluminum hydroxide flame retardant, and covering and vulcanizing. Through plasma activation, interface chemical bonding and a synergistic flame-retardant system, the product has excellent flame retardance and mechanical strength, and meanwhile the problem that layers of a traditional conveying belt are prone to layering is solved.
Owner:KANGWEI NEW MATERIALS TECHNOLOGY RESEARCH & DEVELOPMENT (SHANDONG) CO LTD

Preparation method of insect-proof lyocell fiber

The invention relates to a preparation method of an insect-proof lyocell fiber, and belongs to a functional fiber preparation method in the chemical field. The invention provides a bio-based microcell barrier packaging solution aiming at three major defects of easy breakage, non-environmental response release and toxicity of a chemical cross-linking agent in the existing microcapsule coating. The pH response type microcapsule is constructed through double-layer alternate self-assembly of chitosan and phytic acid, a compact network barrier is formed by electrostatic crosslinking of positive and negative charges, and the structural stability is enhanced by combining a natural cross-linking agent genipin; in the fiber loading stage, plasma pretreatment is adopted to increase the surface roughness, vacuum negative pressure drives microcapsule permeation, and steam setting promotes anchoring setting. Core innovations include an intelligent release mechanism, washability breakthrough, ecological safety and actually measured performance display. The method solves the problem that the lyocell fiber is difficult to decompose the permethrin in the NMMO solvent system, and has the advantages of efficient protection and environmental friendliness.
Owner:SHANGHAI LYOCELL FIBER DEV

Medical natural antibacterial and antiviral mildew-proof wet non-woven fabric, preparation method and application thereof

The application discloses a medical natural antibacterial and antiviral mildew-proof wet non-woven fabric and a preparation method and application thereof, and belongs to the technical field of medical polymer materials and textiles. The non-woven fabric is prepared from the following raw materials: polyethylene terephthalate long fibers, polyethylene terephthalate short fibers, vinylon fibers and natural antibacterial and antiviral ultraviolet slow-release glue solution. The non-woven fabric is endowed with natural and non-toxic antibacterial and antiviral effects by using the extract of Chinese herbal medicine effective components. Meanwhile, the mechanical properties and the antibacterial and antiviral capacity of the non-woven fabric can be effectively improved by adding nano materials with far infrared function after surface modification to prepare high-efficiency natural antibacterial and antiviral ultraviolet slow-release microcapsule glue solution. The method improves the added value and application field of the wet non-woven fabric and is convenient for large-scale processing and production. The prepared wet non-woven fabric has excellent performance indexes, good air permeability and an antibacterial and antiviral efficiency of 99.99%.
Owner:BAOJI JIAXIN FILTER MATERIALS TECH CO LTD

Fireproof flame-retardant spinning yarn and preparation method thereof

InactiveCN119615454AAchieve long-acting sustained releasestrong repellent effectPhysical treatmentTextile/flexible product manufacturePolyesterYarn
The invention discloses a fireproof flame-retardant spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the fireproof flame-retardant spinning yarn is prepared, benzyl benzoate is used as a core material, chitosan is used as a wall material, and pentenedialdehyde is used as a cross-linking agent to prepare an anti-mite microcapsule; carrying out condensation polymerization on ethylene glycol, a hydroxyl-terminated siloxane oligomer, the functionalized DOPO and dimethyl terephthalate to prepare functionalized polyester; the functional polyester and the anti-mite microcapsules are prepared into a spinning solution, and the polyester fiber is prepared through electrostatic spinning; reacting cotton fibers with maleic anhydride and o-phenylenediamine in sequence to obtain modified cotton fibers; polyester fibers and modified cotton fibers are blended in a spinning machine to prepare blended yarns, and the blended yarns are post-treated with chloroplatinic acid to prepare the fireproof flame-retardant spun yarns. The fireproof flame-retardant spinning yarn prepared by the invention has excellent anti-mite, flame-retardant and mechanical properties.
Owner:JIAXING TIANZHIHUA JET WEAVING CO LTD

Natural fiber geotextile and preparation method thereof

The invention discloses natural fiber geotextile and a preparation method thereof, and relates to the field of environment-friendly materials.The preparation method comprises the following steps that natural fiber fabric is placed in chemical treatment liquid to be subjected to dipping-compression roller treatment to obtain treated fabric, and the treated fabric is subjected to irradiation treatment; the chemical treatment liquid is prepared by mixing asphalt emulsion, bisphenol A epoxy resin, unsaturated polyester resin, a curing agent and an initiator. The asphalt emulsion, bisphenol A epoxy resin and unsaturated polyester resin are used for filling pores of the natural fiber fabric, cross-linking is carried out to form a three-dimensional cross-linked network, and irradiation treatment is carried out. Under the comprehensive action, the mechanical strength of the natural fiber geotextile is improved, the moisture absorption rate is reduced, and the antibacterial rate is improved.
Owner:HUBEI UNIV OF TECH

Flexible aramid nanofiber conductive film and preparation method and application thereof

The invention belongs to the technical field of electromagnetic shielding materials and conductive polymer-based composite materials, and particularly relates to a flexible aramid nanofiber conductive film and a preparation method and application thereof. The preparation method comprises the following steps: firstly, preparing an aramid nanofiber membrane through vacuum-assisted filtration, and then immersing the aramid nanofiber membrane into a nickel ion-containing solution for ultrasonic pretreatment and activation treatment by a sodium borohydride solution to obtain a modified aramid nanofiber membrane; and mixing with a chemical nickel plating solution under an external magnetic field, drying, and dip-coating with a polydimethylsiloxane packaging solution to obtain the flexible aramid nanofiber membrane. The finally obtained flexible aramid nanofiber conductive film has excellent flexibility, heat resistance and corrosion resistance. The method is easy to operate, economical and environmentally friendly, the material has excellent electromagnetic shielding performance due to the porous layered structure of the formed nanofiber membrane and the nickel coating on the surface, and the problem of mutual interference between electronic elements can be solved.
Owner:SICHUAN UNIV

Reinforced composite yarn for array spinning and spinning method

The invention belongs to the technical field of textile processing, and provides an array spinning reinforced composite yarn and a spinning method. In the invention, the nano array is generated by performing multi-jet polarization and ionization on the unsaturated solution by a needle-free electrostatic array ionization device, and the surface tension and ionization state of the unsaturated solution are changed by controlling the concentration and electrostatic voltage of the unsaturated solution. The jet flow and the liquid drops are charged in the electric field and break through the Rayleigh limit to be broken to form the nano array. After being embedded into a micron fiber net, the nano arrays are stably anchored on the surfaces of micron fibers through extremely high Van der Waals force and hydrogen bonds, the specific surface area of the micron fibers and the contact area between the fibers are increased, fiber cohesion and friction in yarn are enhanced, and mechanical enhancement (especially breaking strength) and quality improvement of regenerated fiber textiles are achieved.
Owner:DONGHUA UNIV

Carbon fiber anodizing surface treatment device and surface treatment method

The invention discloses a carbon fiber anodized surface treatment device and a surface treatment method, the device includes an electrolysis unit for carbon fiber anodized surface treatment and a post-electrolysis waste gas treatment unit. The device can flexibly adjust the spacing of the impregnation rollers in the electrolytic cell, control the electrolysis time, oxidize each single filament evenly, and have a good electrolytic oxidation treatment effect. Active functional groups such as oxygen and nitrogen are introduced into the surface of the carbon fiber, and the interlayer shear strength of the carbon fiber composite material is significantly improved; the equipment manufacturing cost is low; the operation is simple, and it is easy to process a large number of carbon fiber bundles, which is suitable for batch production; the electrolysis device is equipped with an inlet suction hood, an outlet suction hood, and a movable cover plate, and a fan is used to extract the ammonia waste gas generated by the electrolysis device to the post-electrolysis waste gas treatment device equipped with a foldable cover plate to produce an acid-base reaction, effectively blocking the escape of waste gas, reducing environmental pollution, avoiding harm to the health of operators during operation, and ensuring safe production.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

High temperature fiber, method of making and high temperature fiber composites

Disclosed is a method of making high temperature fiber including chemically bonding high temperature material to a fiber template at a first temperature to form a precursor fiber and processing the precursor fiber at a second temperature to form the high temperature fiber. The first temperature does not equal the second temperature. Also disclosed are high temperature fibers made by the method.
Owner:RTX CORP

Preparation method and application of bionic intelligent hydrophilic and hydrophobic fresh water collection fiber

The invention discloses a preparation method and application of bionic intelligent hydrophilic and hydrophobic fresh water collection fibers, and belongs to the technical field of chemical bionics. The preparation device comprises a fibril fixing frame, a symmetrical hole channel square liquid tank, a camera obscura ultraviolet analyzer and a fiber receiver. The method comprises the following steps: firstly, fixing fibrils on a fibril fixing frame, enabling a prepared polymer mixed solution with the mass fraction of 9%-15% and the fibrils to pass through a symmetrical pore channel square liquid tank, pouring the polymer solution into the square liquid tank, pulling the fibrils at a constant speed to sequentially pass through the square liquid tank, and curing generated bead string fibers through an ultraviolet curing box, finally, fixing the bead string fiber on a fiber receiver, and freeze-drying the received bead string fiber to obtain the bionic intelligent fresh water collection fiber with the micro-nano pore channel structure. The preparation device is simple, the preparation method is simple, and the cost is extremely low; the surface of the fresh water collecting fiber is provided with a nano-scale interpenetrating network pore channel structure, so that the fresh water collecting fiber is easy to weave and has excellent stability, and rapid capture and collection of liquid drops are realized.
Owner:BEIHANG UNIV

Electronic-grade quartz glass fiber cloth and preparation method thereof

The invention provides electronic-grade quartz glass fiber cloth and a preparation method thereof. The method comprises the following steps: selecting high-purity quartz sand, melting at high temperature, precisely filtering, and homogenizing; preparing a special impregnating compound; drawing fibers through a platinum-rhodium alloy bushing and coating the fibers with an impregnating compound; weaving into a cloth blank; performing high-temperature sintering treatment; the electrical property is improved through electron beam irradiation treatment; and cleaning with ultrapure water and drying to ensure the electronic grade cleanliness. According to the invention, high purity, uniformity and excellent electrical properties of the electronic-grade quartz glass fiber cloth can be ensured, and the requirements of the electronic industry on high-performance materials are met.
Owner:ZHONGYI (TAIXING) ENVIRONMENTAL PROTECTION TECH CO LTD

Fabric coloring method and coated fabric

The invention discloses a fabric coloring method and a coated fabric, a magnetron sputtering method is adopted to deposit a color layer on the surface of a to-be-coated fabric, and the color layer comprises variable valence metal oxide; comprising the following steps that S1, a sputtering target material containing variable valence metal elements is taken, and Ar and O2 mixed gas is selected as a deposition atmosphere; s2, taking O2 flow a and Ar flow b when the stable valence metal oxide is deposited; s3, adjusting the flow rate of O2 to be c and the flow rate of Ar to be d, and depositing a color layer on the surface of the to-be-plated fabric; the O2 flow c and the Ar flow d meet the condition that c / (c + d) is more than or equal to 0 and less than or equal to a / (a + b) * 60%, and the unit of the gas flow is sccm. The prepared coated fabric is simple in structure, low in preparation cost and high in color fastness.
Owner:NINGBO NANOTE NEW MATERIAL TECH CO LTD

Stretchable textile sensor wearable device for tracking one or more body metrics

This invention relates to smart textile wearable device with embedded yarn sensors and a computing device comprising a processor and a computer readable medium having encoded thereon a machine learning program that gathers sensor data from the wearable device and generates health parameter output data or real time or long-term feedback to a user for interaction, health and exercise purposes.
Owner:TEXAVIE TECHNOLOGIES INC