Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

1679results about "Heating/cooling textile fabrics" patented technology

Textile dyeing uniformity detection system, detection method and dyeing method

The invention relates to the technical field of textiles. The invention discloses a textile dyeing uniformity detection system, a detection method and a dyeing method. The device comprises a light source supply device which is arranged above a textile and is used for providing light sources with two wavelengths and generating monochromatic coherent light, a dielectric layer supply device for forming a uniform dielectric layer, a reflective light path device for splitting beams and guiding the beams to form an interference area, and an image acquisition device for acquiring interference fringe images, the angle adjusting device is used for adjusting irradiation and acquisition angles; and the image processing device is used for analyzing signals and identifying non-uniform dyeing areas and flaws. A high-precision detection system is constructed, the light source and the dielectric layer cooperate to realize micron-sized defect recognition, the visibility of interference fringes is improved to 0.8 or above, and the dynamic tension frame guarantees the precision. The reflective light path and angle adjusting device adapts to a complex environment, a detection method and a dyeing method are cooperated, and through pretreatment, quantitative analysis and multi-dimensional verification, the misjudgment rate is greatly reduced, and the detection speed adapts to production.
Owner:HAIYAN JIAYUAN PRINTING & DYEING

Preparation method of flexible polyaniline / biomass carbon electromagnetic shielding material

The present invention discloses a method for preparing a flexible polyaniline / biomass carbon electromagnetic shielding material. After high-temperature carbonization of a fiber fabric, a structurally ordered biomass carbon matrix is ​​obtained. Under the synergistic action of an oxidant and a dopant, aniline monomer is in situ oxidatively polymerized to generate polyaniline that is adsorbed on the surface of the biomass carbon matrix, thereby obtaining the polyaniline / biomass carbon electromagnetic shielding material. The electromagnetic shielding material of the present invention has an intricate and ordered two-dimensional network structure, which helps to establish a conductive network and exhibits excellent electromagnetic shielding effectiveness. In addition, the unique flexibility can fully meet the special requirements of flexible wearable electronic devices, electromagnetic shielding clothing fillers, etc. for the performance of electromagnetic shielding materials. The synthesis process of this method is safe and environmentally friendly, and the required consumables are cheap and abundant, making it suitable for commercialization and industrialization requirements.
Owner:XUCHANG UNIV

High-strength wear-resistant anti-snagging functional dry knitted fabric for exercise training and production process

The invention relates to the technical field of knitted fabrics, in particular to a high-strength wear-resistant anti-snagging functional dry knitted fabric for exercise training and a production process thereof, and the production process comprises the following steps: weighing the following raw materials in parts by weight: 30-40 parts of polyester fibers, 20-30 parts of aramid fibers, 5-10 parts of jade fibers and 5-10 parts of polyamide fibers; polyester fibers, aramid fibers, jade fibers and polyamide fibers are subjected to relaxation treatment and then subjected to a drawing procedure, and the mixed roving is obtained. According to the knitted fabric for exercise training, polyester fibers, aramid fibers, jade fibers and polyamide fibers are blended and blended to prepare mixed roving, meanwhile, the mixed roving is infiltrated and improved through infiltrating liquid, finally, the mixed roving is matched with modified polyester filaments to be subjected to circular knitting improvement, and the obtained knitted fabric has the advantages of being excellent in wear resistance, mechanical strength performance and snagging performance, good in elasticity and good in elasticity. And the knitted fabric has remarkable moisture absorption, dryness and dryness and washing resistance, and the comprehensive coordination of the product is excellent.
Owner:JINJIANG BENCAO TEXTILE TECH CO LTD

Moisture absorption and sweat releasing fabric and preparation process thereof

The invention relates to the technical field of fabrics, in particular to a moisture absorption and sweat releasing fabric and a preparation process thereof.The preparation process includes the following steps that raw materials including, by weight, 35-40 parts of modified polyester silk, 20-25 parts of functional yarn and 8-12 parts of polyester fiber are weighed; a preparation method of the modified polyester yarn comprises the following steps: melting, blending and extruding polyester resin and a modifier according to a weight ratio of 100: 5; weaving the modified polyester yarns, the functional yarns and the polyester fibers into a knitted fabric body by using a circular knitting machine; setting the knitted fabric body at a high temperature of 115 DEG C for 50 seconds, and obtaining the moisture-absorbing and sweat-releasing fabric after setting is finished. According to the moisture absorption and sweat releasing fabric, the modified polyester yarn, the functional yarn and the polyester fiber are woven into the knitted fabric through the circular knitting machine, the modified polyester yarn is improved and optimized by matching polyester resin with the modifier, and the moisture absorption and sweat releasing performance, the elasticity and the wear resistance of the polyester yarn are enhanced through mutual matching and mutual assistance of the raw materials.
Owner:JINJIANG YALISA GARMENT CO LTD

Ultrasonic-response piezoelectric-conductive integrated nanofiber / hydrogel injectable material for promoting bone regeneration and method

The invention discloses an injectable material for promoting bone regeneration through piezoelectric and conductive integrated nanofiber hydrogel with ultrasonic response and a preparation method of the injectable material. The injectable material is composed of piezoelectric and conductive nanofibers and hydrogel. Wherein the piezoelectric conductive nanofiber is prepared from an inorganic piezoelectric material and a piezoelectric polymer through electrostatic spinning, or is prepared from an inorganic / organic composite piezoelectric material and a biological material with conductive performance through electrostatic spinning.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

A continuous macro-preparation device and method of a soft and elastic ceramic ultra-fine fiber material

The application relates to a continuous macro-preparation device and method of a soft and elastic ceramic superfine fiber material, which sequentially comprises a feeding and liquid preparation system, a multi-jet uniform electrostatic spinning system, a low-temperature calcination system and a winding system. Raw materials are mixed, low-temperature dispersed and vacuum concentrated to obtain a sol; the sol and a polymer flow into a polymer mixing device to be mixed and bubble removed; the mixed sol flows into an inorganic component content control device to be pumped by negative pressure to obtain a spinning solution; the spinning solution flows into a multi-jet electrostatic spinning module to adjust and control the temperature, humidity and multi-directional differential speed during spinning to obtain a fiber membrane material or a fiber flake material; the fiber material is sequentially transmitted to a drying area, a microwave pretreatment area, a polymer removal area, an oxygen-poor atmosphere heat treatment area and a cooling area to be calcined in multiple temperature zones to obtain the soft and elastic ceramic superfine fiber material; and winding and packaging are realized to realize the continuous macro-manufacture of the soft and elastic ceramic superfine fiber material.
Owner:DONGHUA UNIV

Cloth special for single-face terry bath foaming towel and weaving method of cloth

The invention discloses special cloth for a single-sided terry bath foaming towel and a weaving method of the special cloth. The terry cloth comprises a three-layer structure integrally woven by a warp knitting machine, wherein the three-layer structure comprises a base layer and 100D / 36F polyester filament yarn warp knitting chain weave; the binding layer is a 100D / 96F polyester filament chain stitch and penetrates through the substrate layer; the looped pile layer is of a vertical looped pile structure formed by 300D / 10F polyester filaments, the height of looped piles is 7-8 mm, and the density of the looped piles is 25-30 / cm; the thickness ratio of the base layer to the binding layer to the looped pile layer of the three-layer structure is 0.6: 1: 7. The three kinds of yarns with different thicknesses are combined to form a three-layer structure, the three-layer structure is directly formed through warp knitting, a traditional fuzzing roller is not needed for fuzzing, the upright performance of a looped pile is guaranteed, it is guaranteed that the looped pile does not generate monofilament breakage and is stable in structure, and the foaming performance and the weaving feasibility are balanced.
Owner:JILIN JIULI HOUSEHOLD PROD CO LTD

A weft-knitted free-cutter knitted fabric and a method for manufacturing the same

The present application relates to a kind of weft-knitted free cutting knitted fabric and its manufacturing method, the fabric includes air layer jacquard structure, the air layer jacquard structure includes three layers of bottom layer, intermediate layer and surface layer, the bottom layer is below the intermediate layer, the surface layer is above the intermediate layer, the bottom layer is interwoven using nylon yarn and ordinary spandex, the intermediate layer is connected using ordinary spandex, and extend to the surface layer, the surface layer is interwoven using nylon yarn and ordinary spandex.The present application can realize the effect that both economic and not easy to scatter, burr, edge curl of loop structure.
Owner:FUJIAN HANGGANG TEXTILE TECH CO LTD

Anti-static knitted fabric based on charge gathering and directional guiding, preparation method of anti-static knitted fabric and knitted fabric

The invention provides an anti-static knitted fabric based on charge gathering and directional guiding, a preparation method of the anti-static knitted fabric and a knitted fabric, and belongs to the technical field of knitted clothes. A first spinning component and a second spinning component are co-extruded through melt spinning to prepare composite fibers with a parallel composite structure, and the composite fibers are subjected to thermal mechanical treatment to obtain the composite yarn; the composite yarn is directionally introduced into a specific area of the fabric in a tuck-float stitch mode through an embedded weaving technology, and latent curl is activated through after-treatment. The moisture absorption expansion of the second spinning component is utilized to drive the composite yarn to macroscopically self-crimp, and the conductive filler inside is physically extruded to construct an efficient conductive skeleton, so that the humidity response adjustment and charge directional dispersion of the anti-static performance are realized, and the problems of fixed conductive state, local static accumulation and poor comfort of the existing fabric are effectively solved; and the safety and wearing experience of the clothes are improved.
Owner:NANJIREN SHANGHAI TEXTILE TECH

Weft yarn for artificial ligament, weft yarn preparation method, and artificial ligament

A weft yarn for an artificial ligament (1), a weft yarn preparation method, and an artificial ligament (1). The artificial ligament (1) is of a round rod structure; a first woven part (102), an in-joint free filament part (103), and a second woven part (104) which are sequentially connected are formed in the round rod structure in the axial direction thereof; the in-joint free filament part (103) comprises a plurality of weft yarns (201), and the weft yarns (201) extend in the axial direction of the round rod structure; and each weft yarn (201) has a fineness of 1000 D-3000 D / 1-100 F, and a mechanical strength of 75-300 N. By increasing the mechanical strength of a single yarn formed in the in-joint free filament part (103) of the artificial ligament (1), the number of yarns in the in-joint free filament part (103) is decreased. The present invention can eliminate a knee joint synovial membrane inflammatory response caused by chippings of the artificial ligament (1) in the reconstruction process of the artificial ligament (1), reduce the degree of contact adhesion between the in-joint free filament part (103) and the tissue, reduce the probability of adhesion, and solve the clinical problems of the inflammatory response and the prolonged surgery time which are caused by difficult removal due to adhesion of the free filaments and the tissue in the revision surgery.
Owner:SHANGHAI LIGETAI BIOTECH CO LTD

Flatness detection device for chemical fiber fabric

The invention discloses a chemical fiber fabric flatness detection device, and particularly relates to the technical field of chemical fiber fabrics, the chemical fiber fabric flatness detection device comprises a mounting rack, a driving mechanism is arranged on the inner wall of the mounting rack, hydraulic cylinders are symmetrically and fixedly connected to the top of the mounting rack, and a pushing mechanism is arranged on the outer walls of the two hydraulic cylinders. According to the flatness detection device for the chemical fiber fabric, the two scanning instruments and the two heating assemblies are arranged, the two started scanning instruments are used for detecting the flatness of the napped fabric which is not subjected to heating treatment, the two heating assemblies are used for heating the napped fabric, and the flatness of the napped fabric is detected. Meanwhile, the two scanning instruments are used for detecting the flatness of the raised fabric subjected to heating treatment, two groups of data are compared to obtain the shrinkage rate of the raised fabric when the raised fabric is heated, and in order to prevent the situation that the thermal plasticity of chemical fiber fabric is relatively high, if shaping is insufficient in production, the shrinkage rate is reduced; and the problem of flatness reduction caused by non-uniform shrinkage at a subsequent temperature change part can be pre-judged in advance and supported by a theoretical basis.
Owner:ZHONGJI IND (TAIZHOU) CO LTD

Natural plant fiber pile fabric textile

A method of making a plant-based deep pile fabric that closely resembles animal fur or wool, 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

Textile fabric drying and shaping device

The utility model belongs to the technical field of textile processing equipment, and particularly relates to a textile fabric drying and shaping device which comprises a supporting plate and a drying box arranged on the supporting plate, and is characterized by further comprising a guide assembly and a shaping assembly, the deviation prevention assembly is arranged on the supporting plate, located between the cloth guide roller and the drying box and used for preventing the guided cloth from deviating; the anti-wrinkling device further comprises an anti-wrinkling assembly, and the anti-wrinkling assembly is arranged on the anti-deviation assembly and used for preventing the guided cloth from wrinkling. The anti-deviation device has the beneficial effects that the anti-deviation assembly is installed on the supporting plate, located between the cloth guide roller and the drying box and used for preventing the fabric from deviating in the conveying process so that it can be guaranteed that the fabric can be stably conveyed along a preset path.
Owner:ZHUJI ZHENXIN DYEING & FINISHING CO LTD

Flexible lanthanum zirconate-alumina fiber membrane as well as preparation method and application thereof

The invention discloses a flexible lanthanum zirconate-alumina fiber membrane as well as a preparation method and application thereof, and belongs to the technical field of inorganic nonmetal ceramic fiber materials. The preparation method comprises the following steps: dissolving zirconium oxychloride octahydrate, lanthanum chloride heptahydrate and aluminum chloride hexahydrate into absolute methanol, sequentially adding acetylacetone and triethylamine, stirring, and drying under reduced pressure to obtain a zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride; soaking the zirconium-lanthanum-aluminum polymer precursor containing triethylamine hydrochloride in acetone, standing, filtering, concentrating under reduced pressure, and drying to obtain a zirconium-lanthanum-aluminum acetylacetone polymer precursor; the preparation method comprises the following steps: preparing a spinning solution from a zirconium-lanthanum-aluminum acetylacetone polymer precursor, absolute methanol serving as a solvent and polyoxyethylene serving as a spinning aid, and carrying out electrostatic spinning on the spinning solution to obtain a lanthanum zirconate-aluminum oxide precursor fiber membrane; and performing heat treatment on the lanthanum zirconate-aluminum oxide precursor fiber membrane to obtain the flexible lanthanum zirconate-aluminum oxide fiber membrane. According to the preparation method, acetylacetone is added into zirconium oxychloride, lanthanum chloride and aluminum chloride for coordination to form a linear zirconium-lanthanum-aluminum acetylacetone polymer, so that the technical problem that lanthanum zirconate long fibers with high strength and good flexibility are difficult to obtain is solved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

Composite fiber membrane for producing hydrogen and oxygen through light-driven full-water decomposition and preparation method of composite fiber membrane

The invention discloses a composite fiber membrane for hydrogen production and oxygen production through light-driven full water decomposition and a preparation method of the composite fiber membrane, and belongs to the technical field of photocatalysis technology and nano material preparation, and the composite fiber membrane shows excellent photothermal conversion performance in the reaction of hydrogen production and oxygen production through light-catalyzed water decomposition and also has efficient water transmission capacity. The stability and the reusability are relatively high. According to the preparation method, a Ti source compound, a Sr source compound, tetraethyl orthosilicate and a spinning solution are used as raw materials for electrostatic spinning, and after pre-oxidation and carbonization treatment at a certain temperature, the SrTiO3 / SiO2 composite carbon fiber membrane is obtained, and Cr2O3 / Rh and CoOOH cocatalysts are supported. The fiber membrane prepared by the invention has the function of photocatalytic water decomposition to produce hydrogen under the irradiation of sunlight, can stably produce hydrogen and oxygen in various water resources, is simple in process and low in cost, and can be widely applied to the fields of energy sources, environmental protection and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Comfortable flame-retardant aramid fabric and preparation method thereof

The invention relates to the field of flame-retardant textile fabrics, and provides a comfortable flame-retardant aramid fabric and a preparation method thereof. The composite filler with the average length of 3.0-8.0 mu m and the diameter of 0.4-1.0 mu m is prepared by adopting the design of multielement blended composite fibers of hydroxyapatite / magnesium hydroxide composite filler, meta-aramid polymer, para-aramid polymer, polybenzimidazole and the like through a hydro-thermal synthesis process of performing silanization surface activation and accurately controlling the molar ratio of calcium to phosphorus to be 1.60-1.67. The preparation method comprises the following steps: preparing the composite filler with the average length of 3.0-8.0 mu m and the diameter of 0.4-1.0 mu m; then industrial production processes such as graded shearing dispersion, continuous wet spinning, multi-stage stretching heat setting and after-finishing are performed, so that synergistic improvement of flame retardant performance and comfort performance is achieved, and the technical problems that a traditional aramid fiber fabric is poor in flame retardant effect, poor in comfort, unstable in processing performance and the like are solved; the fabric has wide application value in high-end application fields such as fire protection clothing, industrial protection textiles and military protection equipment.
Owner:WILKIE TECHN TEXTILES JIAXING

High-comfort-degree pillowcase blended fabric

The invention discloses a high-comfort-degree pillowcase blended fabric, and particularly relates to the field of articles for daily use, the high-comfort-degree pillowcase blended fabric comprises an outer fabric layer, a middle spacing layer and an inner fabric layer, and the outer fabric layer and the inner fabric layer are connected through the middle spacing layer; and the outer fabric layer, the middle spacing layer and the inner fabric layer jointly form a three-dimensional spacer fabric with a multi-layer structure. According to the invention, through the multi-layer structure design, a three-dimensional pore structure is formed, air flow and heat dissipation are promoted, the moisture-permeable and air-permeable performance is excellent, and comfort and hygiene in the use process are ensured; the outer layer, making contact with the skin, of the cloth is made of cool fibers, the middle spacing layer achieves dynamic supporting and long-term shape stability through the composite design of a rigid framework and elastic driving, and the use comfort is remarkably improved; by means of the moisture and air permeability design of the pillowcase, the use experience is further improved, stuffiness and discomfort are avoided, and the air permeability, the moisture permeability, the cool feeling and the supporting performance are comprehensively improved in combination with the synergistic effect of specific fiber materials.
Owner:SHANGHAI SHENGKUAI TECH CO LTD

Jacquard vamp material based on bio-based degradable polylactic acid (PLA) and preparation method thereof

The invention discloses a jacquard vamp material based on bio-based degradable polylactic acid (PLA) and a preparation method thereof, and relates to the technical field of shoe materials. The jacquard vamp material is of a three-layer jacquard structure formed by integrally weaving PLA composite filaments through a jacquard warp knitting machine. The PLA composite filament is prepared from the following raw materials in parts by weight: 80-95 parts of polylactic acid (PLA) slices, 5-15 parts of poly (butylene adipate / terephthalate) (PBAT), 3-8 parts of a flexibilizer, 1-3 parts of a compatilizer, 0.5-2 parts of an anti-hydrolysis agent and 0.5-1.5 parts of a lubricant. According to the invention, the bio-based PLA is used as a main raw material and is matched with degradable auxiliaries such as PBAT, so that the whole vamp material can be completely biodegraded under a composting condition, the problem of environmental pollution of a traditional vamp is fundamentally solved, and meanwhile, through blending modification of PBAT and the flexibilizer, the flexibility and impact resistance of the PLA material are remarkably improved, and the vamp material has good application prospects. The requirements of the vamp material on softness, wear resistance and durability can be met.
Owner:福建富昆实业有限公司

A processing technology for highly flame-retardant, high-temperature-resistant and highly breathable protective fabric for firefighting clothing

The present invention relates to the technical field of fire-fighting composite fabrics, and discloses a processing technology for highly flame-retardant, high-temperature-resistant, and highly breathable firefighting suit protective fabrics. The outer layer of the firefighting suit protective fabric adopts a high-temperature flame-retardant layer fabric made of nitrogen-phosphorus composite flame-retardant fibers. Through the synergistic effect between the various components, a dense carbon layer can be formed when a fire occurs to delay combustion. Nano-silicon dioxide aerogel is added to the composite adhesive of the inner layer to further block heat transfer. A comfort layer fabric blended with menthol-modified bamboo fiber and spandex fiber is composited with the composite adhesive by spraying the adhesive in a diamond lattice. The fabric has uniform breathable pores, can bring a continuous cool feeling, is highly comfortable to wear, and effectively promotes sweat discharge. The prepared firefighting suit protective fabric has excellent flame retardancy, high-temperature resistance, and breathability, and can meet the use requirements in various environments.
Owner:TAIZHOU HUATONG FIRE EQUIP PLANT

Flame-retardant anti-static garment processing device

The utility model relates to the field of garment processing devices, and discloses a flame-retardant anti-static garment processing device which comprises an ironing box, a feeding plate and a discharging plate are installed on the front side and the rear side of the ironing box respectively, a flattening mechanism is arranged in the ironing box, and a dust cleaning mechanism is arranged on the rear side of the flattening mechanism. A dust removing mechanism is arranged in the ironing box, a collecting mechanism is arranged below the dust removing mechanism, the dust removing mechanism comprises an adjusting assembly and a scraping plate, a central rotating shaft is fixedly connected to the interior of the scraping plate, the adjusting assembly comprises an adjusting rod, the adjusting rod penetrates through the top of the scraping plate, and an arc-shaped groove is formed in the side wall of the ironing box. According to the utility model, the scraping plate is used for cleaning the upper compression roller, the central rotating shaft penetrates through the inner part of the scraping plate, and the adjusting rod is arranged at the upper part of the scraping plate, so that the scraping plate can be ensured to be always clung to the surface of the upper compression roller, effective cleaning is ensured, the batting collecting box can be used for quickly collecting batting and dust, and the batting collecting box can also be quickly taken out.
Owner:DONGYING HONGXING LABOR INSURANCE PROD CO LTD

Production process and equipment of four-side elastic medical protective clothing fabric

The invention discloses a four-side elastic medical protective clothing fabric production process and equipment thereof, and relates to the field of four-side elastic medical protective clothing fabrics. A water pump, a limiting roller, a guide roller, a first turning roller, a second turning roller and a third turning roller are mounted in a singeing machine; cloth penetrates through the limiting roller, the guide roller, the first turning roller, the second turning roller and the third turning roller to be subjected to angle adjustment, two sets of heating guide rollers are further installed on the lower portion in the singeing machine, and singeing discs are installed at the two ends of each set of heating guide rollers. Through the singeing disc and the singeing plate, in the singeing process, the surface of cloth can be subjected to singeing treatment through the singeing plate, the two sides of the cloth are also subjected to singeing through the singeing disc, and before the singeing process, the angle of a sliding plate can be adjusted according to requirements, so that the position of a wire mesh is changed; therefore, singeing at different positions of the side surface of the cloth is performed, and the singeing effect is improved.
Owner:ZHEJIANG SHENGFA TEXTILE PRINTING & DYEING

Alumina synthetic fiber felt and airflow melting preparation method thereof

The invention relates to the technical field of refractory materials, in particular to an aluminum oxide synthetic fiber felt and an airflow melting preparation method thereof. The invention relates to an airflow melting preparation method of an aluminum oxide synthetic fiber felt. The method comprises the following steps: preparing composite sol from aluminum oxide powder, rare earth element powder, tetrabutyl titanate and / or tetrabutyl zirconate and a nano reinforcing material; and adding an organic template agent, carrying out dry spinning, presintering and high-temperature sintering, and blowing the sintered fibers into a collector through high-speed airflow to obtain the aluminum oxide synthetic fiber felt. The rare earth element powder and the nano reinforcing material are introduced, a micro-nano-scale reinforcing phase is formed in the aluminum oxide synthetic fiber, stress can be effectively dispersed, crack propagation is prevented, the mechanical strength and fracture toughness of the fiber are improved, and the structural integrity and performance stability of the fiber felt at high temperature are kept; the metal oxide can enhance the hardness and wear resistance of the fibrofelt, and also endows the fibrofelt with excellent chemical stability and multiple functions.
Owner:JIANGSU HUIFENG ENVIRONMENTAL TECH CO LTD

Gradient weaving method of silk fabric with multi-level pore structure

The invention relates to a processing technology of a silk fabric, in particular to a gradient weaving method of a silk fabric with a multi-level pore structure, which comprises the following steps of: selecting mulberry silk yarns and high-shrinkage polyester fiber yarns as warp and weft raw materials, and weaving on an electronic jacquard loom according to a preset pattern in a strip-type arrangement at a warping stage, warp tension is divided into a reference tension area, a transition area and a relaxation tension area, weft density is dynamically adjusted through a beating-up device, a high-weft-density area and a low-weft-density area are formed, and leno weave, double-layer weave, terry weave and satin weave are combined in different areas to form an area structure. The high-shrinkage polyester fibers are shrunk by 30%-60% through first-stage steam treatment and second-stage hot air setting, the mulberry silk is driven to form a three-dimensional pore structure, multi-level and gradient change of the pore structure is achieved, and weaving controllability and design freedom degree are improved.
Owner:ZHEJIANG JIAXIN JINSANTA SILK FASHION CO LTD

TPU film for robot electronic skin and preparation method thereof

The invention discloses a TPU film for robot electronic skin and a preparation method of the TPU film, and relates to the technical field of flexible electronic materials, the film takes TPU introduced with Diels-Alder dynamic reversible bonds as a matrix, a conductive filler is formed by dopamine-modified silver nanowires and MXene, the concentration of the conductive filler is in continuous or quasi-continuous gradient decrease, and the conductive filler is a conductive filler formed by silver nanowires and MXene. An integrated network with self-repairing and environmental stability is formed and is used as an electrode; phase change microcapsules and triboelectric nanofibers are compounded in a low-conductivity contact area to form an intelligent response layer which is self-adaptive in sensing threshold and capable of generating power by friction. Through one-step multi-nozzle electrostatic spinning forming, the problem that self-repairing, signal stability, environmental adaptability and energy independence in electronic skin are difficult to consider at the same time is solved.
Owner:ZHEJIANG AMBRERA NEW MATERIAL MFG CO LTD

Novel labor protection garment containing bamboo fibers and preparation method of novel labor protection garment

The invention relates to the technical field of labor protection clothing manufacturing, and discloses novel labor protection clothing containing bamboo fibers and a preparation method of the novel labor protection clothing. 20%-23% of cotton fiber; 28%-32% of polyester fibers; 4%-6% of nanofiber felt; 2%-3% of antistatic conductive wires; 2%-3% of an acid-proof material; 2%-3% of an alkali-proof material; 5%-7% of a flame-retardant material and 1.2%-1.6% of a flame retardant; 0.5%-1% of an acid and alkali resistant finishing agent; 0.5%-1% of an anti-shrinking agent; the preparation method comprises the steps of material pretreatment, multi-component fiber precise premixing, embedded weaving conductive yarn spinning, high-density weaving, nano functional layer compounding and synergistic after-finishing, and the bamboo fiber, the functional polyester and the nano fibrofelt are compounded through a ternary synergistic system of the bamboo fiber, the functional polyester and the nano fibrofelt and a low-temperature hot melting point bonding and electrostatic electret integrated compounding process. Therefore, the beneficial effects that the air permeability is improved, the shrinkage rate is reduced and the color fastness to washing is improved on the premise that the safety protection levels of flame retardance, acid and alkali resistance and static resistance are not reduced are achieved.
Owner:WUHAN YANGGUANG IND CO LTD

A quartz glass fiber cloth and a preparation method thereof

This invention belongs to the field of glass fiber and composite material preparation technology, and provides a quartz glass fiber cloth and its preparation method. High-purity quartz sand is melted at high temperature to form quartz glass liquid, which is then drawn into continuous quartz fiber bundles through a platinum-rhodium alloy spinneret. The fiber bundles are then acid-washed and pre-baked at low temperature to improve fiber purity and stability. The fiber bundles are coated with sol and doping solution through a dual-channel spinning coating process, followed by drying and sintering to form quartz glass fibers. The fibers are then wound, spun, twisted, and braided to obtain a fiber cloth preform, which is finally sintered at high temperature in an inert atmosphere to form a quartz glass fiber cloth with excellent properties.
Owner:ZHONGYI (TAIXING) ENVIRONMENTAL PROTECTION TECH CO LTD

Preparation method of flexible synaptic fabric with pressure sensing function

The invention belongs to the technical field of preparation of flexible electronic materials, and particularly relates to a preparation method of a flexible synaptic fabric with a pressure sensing function, which comprises the following steps: firstly, preparing raw materials of the flexible synaptic fabric, including a flexible substrate material, a conductive material, a pressure sensitive polymer, a nanocellulose enhancer and a binder; then preparing conductive fibers loaded with silver nanowires and graphene through two-step dipping, and then sequentially dipping and coating a pressure sensitive polymer and a nanocellulose composite binder; a double-face protruding peak type structure is woven through a warp knitting machine, and finally the flexible synaptic fabric with the pressure sensing function is prepared through heat setting and surface modification treatment. The problems that a flexible pressure sensing fabric structure in the prior art is narrow in pressure sensing range and insufficient in sensitivity response interval can be solved.
Owner:CHINA AUTOMOTIVE ENG RES INST

Preparation method of self-supporting composite sulfur positive electrode material and application of self-supporting composite sulfur positive electrode material in lithium-sulfur battery

The invention discloses a preparation method of a self-supporting composite sulfur positive electrode material and application of the self-supporting composite sulfur positive electrode material in a lithium-sulfur battery, relates to a preparation method and application of a self-supporting positive electrode material of the lithium-sulfur battery, and aims to solve the problems of poor catalytic activity and poor stability of the self-supporting positive electrode material of the existing lithium-sulfur battery. The method comprises the following steps: 1, preparing nanorod-shaped manganese-doped titanium dioxide; 2, loading the catalyst on a carbon source; and 3, loading an active substance to obtain the self-supporting composite sulfur positive electrode material. According to the method, a binder is not used, the mechanical property is good, a three-dimensional conductive network and a smooth ion migration channel are provided, the volume expansion before and after the positive electrode reaction can be effectively relieved through abundant macropores, and the nanorod-shaped TiO2-Mn has catalytic activity and can effectively catalyze the conversion from long-chain lithium polysulfide to short-chain lithium polysulfide, so that the preparation process is simple, and the preparation cost is low. And the loss of active substances in the charging and discharging process of the lithium-sulfur battery is reduced. And the specific discharge capacity under the high current density of 3C is 475.53 mAh / g, so that the lithium-sulfur battery can be used in the field of lithium-sulfur batteries.
Owner:HARBIN INST OF TECH

A full cotton knitted jean wash style fabric and a preparation method thereof

The application relates to the technical field of textile fabrics, and particularly discloses a full-cotton knitted jean wash water style fabric and a preparation method thereof. The preparation method comprises the following steps: S1, during spinning of higher-count fine cotton yarn, the weight of yarn wax accounts for 0.5-2% of the weight of the cotton yarn, and the waxed high-count fine cotton yarn is wrapped into lower-count coarse cotton yarn by using the core-spun yarn technology; S2, the obtained core-spun yarn is woven into a twill single face; S3, singeing is performed; S4, hydrogen peroxide and caustic soda are used for fabric bleaching pretreatment; S5, setting and drying are performed; S6, after the fabric immersed in dye liquor is stored in a constant-temperature room for color development, the surface floating color is washed away; S7, the fabric after soaping is dried in a setting machine; and S8, stone mill fermentation washing is performed. The application solves the problems of poor air permeability, poor elasticity and poor fastness of traditional woven jean fabrics, simultaneously solves the problem that the stone mill fermentation washing style cannot be produced in the existing knitted jean production technology, and solves the problem that the wash water style is lower in level than traditional jeans.
Owner:DONGGUAN TEXWINCA HLDG