305 results about "Nylon fiber" patented technology

The invention relates to the technical field of layered composite fabrics, in particular to a bio-based antibacterial fiber fabric and a preparation method thereof. The preparation method comprises the following steps: carrying out a reaction on diisocyanate, polyether polyol, bio-based polyester polyol and hexamidine dihydroxyethyl sulfonate in N, N-dimethylacetamide, so as to obtain a polyurethane prepolymer solution; 2-(4-aminophenyl)-5-aminobenzimidazole and amino-modified nano-zinc oxide are sequentially added into the polyurethane prepolymer solution for a reaction, a prepared polyurethane spinning solution is subjected to dry spinning to prepare polyurethane fibers, and then the polyurethane fibers are sequentially spun into yarn and fabric; the bio-based nylon is subjected to melt spinning to obtain bio-based nylon fibers, and the bio-based nylon fibers are sequentially spun into yarns and fabrics; the bio-based antibacterial fiber fabric is prepared by taking a polyurethane fabric as an inner-layer fabric and taking a bio-based chinlon fabric as an outer-layer fabric, and the fabric is good in antibacterial performance and moisture absorption performance.

The invention discloses a thermal antistatic fabric based on polyamide fibers and a preparation method thereof, and relates to the technical field of textile fibers. When the thermal antistatic fabric based on the polyamide fiber is prepared, caprolactam, a flame retardant and hexamethylenediamine react to prepare pre-modified polyamide; the pre-modified chinlon and 3-chloro-1-propanethiol are subjected to a reaction, and modified chinlon is prepared; the preparation method comprises the following steps: sequentially reacting graphene oxide with mercaptopropyltrimethoxysilane and 2-(2H-benzotriazole-2-yl)-4-methyl-6-(2-propenyl) phenol, so as to obtain modified graphene oxide; the modified chinlon and the modified graphene oxide are mixed and then subjected to melt spinning, and modified chinlon fibers are obtained; and twisting the modified polyamide fiber, spinning, and post-processing to obtain the thermal antibacterial fabric based on the polyamide fiber. The warm-keeping antistatic fabric based on the polyamide fiber has good warm-keeping, antistatic, flame-retardant, anti-aging and mechanical properties.

The present invention relates to the technical field of knitted fabrics, in particular to an antibacterial and anti-ultraviolet bio-based lyocell fabric and a preparation method thereof. The fabric comprises a three-layer composite structure connected by bio-based lyocell yarns: an outer layer is formed by weft-knitting a composite yarn formed by nylon-66 fiber and a first functional fiber, wherein the first functional fiber comprises bio-based lyocell fiber, thermochromic zinc oxide particles, nanosilver / graphene hybrid material, a hydrophobic pore switch polymer, and a cross-linking agent; an intermediate layer is formed by weft-knitting a second yarn formed by a second functional fiber, wherein the second functional fiber comprises bio-based lyocell fiber, temperature-sensitive microcapsules, a humidity-expanding gel, and is composed of an acrylic acid / sodium alginate interpenetrating network; a heat-conducting graphene sheet, and other functional additives; and a third functional fiber in the inner layer comprises bio-based lyocell fiber, Janus-type double-sided microcapsules, a porous graphene framework, a phase change material, and other regulators.

The invention belongs to the technical field of fabrics, and particularly relates to a graphene-based wear-resistant outdoor jacket fabric and a preparation method thereof. The graphene-based wear-resistant outdoor jacket fabric comprises base cloth and a wear-resistant layer on the surface of the base cloth, the base cloth comprises graphene polyamide fibers and polyester fibers; the wear-resistant layer comprises the following raw materials in parts by weight: 3-8 parts of a vinyl silane coupling agent modified wear-resistant agent, 1-4 parts of vinyl POSS, 1-5 parts of an emulsifier, 0.1-0.5 part of a photoinitiator and 100 parts of water; the wear-resistant agent comprises fluorinated graphene and cubic boron nitride. The wear-resistant outdoor jacket fabric provided by the invention has excellent wear resistance, water resistance and soaping resistance.

The utility model relates to the technical field of cloth, and discloses waterproof antistatic coated cloth which comprises a base cloth layer, a plurality of high-strength nylon fibers are fixedly connected to the right side of the inner wall of the base cloth layer at equal intervals, a plurality of cotton fibers are fixedly connected to the top walls of the high-strength nylon fibers, a polyurethane layer is fixedly connected to the top walls of the cotton fibers, and the polyurethane layer is fixedly connected to the right side of the inner wall of the base cloth layer. The top wall of the polyurethane layer is fixedly connected with an antistatic layer, the inner wall of the antistatic layer is fixedly connected with a plurality of conductive fibers, the top walls of the conductive fibers are fixedly connected with a plurality of reinforcing ribs, and the top walls of the reinforcing ribs are fixedly connected with a fluorocarbon resin layer. According to the waterproof antistatic fabric, the basic strength and the softness of the fabric are ensured by the base fabric layer which is interwoven in a plain weaving manner, and the fabric obtains a preliminary waterproof effect under the coating of the polyurethane layer, so that the final waterproof effect and the final antistatic performance are obtained under the connection of the conductive fibers and the fluorocarbon resin material.

The invention discloses a moisture-absorbing breathable polyamide fiber fabric and a preparation method thereof, and relates to the technical field of polyamide fiber fabrics. The method comprises the following steps: preparing a nano silicon dioxide composite template agent, and blending the nano silicon dioxide composite template agent with chinlon slices to prepare modified master batches; after special-shaped hollow spinning and weaving, a pore-foaming agent is dissolved out through hot water treatment, and a porous structure is constructed in the fiber; then carrying out plasma activation on the fabric, and grafting monomers such as acrylic acid, acrylamide and stearyl methacrylate on the surface and in pores of the fiber by adopting a radiation grafting method to form a hydrophilic-hydrophobic dual-channel structure; then, pre-crosslinked composite particles prepared from chitosan, beta-cyclodextrin and the like are loaded in micropores of the fabric through a vacuum-positive pressure circulation process; and finally, treating by using a finishing liquid containing blocked isocyanate, and carrying out heat setting. The prepared fabric has high moisture absorption rate, large moisture absorption capacity and excellent wet air permeability, is washable and anti-yellowing, and is suitable for high-performance sports and outdoor clothes.

The present invention provides an automotive wiring harness tape and a preparation method thereof. The wiring harness tape consists of a shielding layer and a rubber coating layer. The shielding layer is prepared from materials such as polyester fiber, nylon fiber, glass fiber, carbon fiber and conductive composite fiber, and has excellent electromagnetic shielding capabilities. The rubber coating layer is formed by mixing an antioxidant, a light stabilizer and silicone rubber, which effectively reduces the VOC release of the tape while ensuring good aging resistance and mechanical properties. The preparation method includes the steps of fiber mixing, heat setting treatment, rubber coating layer preparation and cutting. By precisely controlling the proportion of each component and process parameters, the continuity and stability of the tape are ensured. The automotive wiring harness tape of the present invention not only has excellent electromagnetic shielding performance, but also has good low fogging and mechanical properties, and is suitable for complex automotive electromagnetic environments.

The invention provides a long-acting antibacterial chinlon composite fiber and a preparation process thereof, and belongs to the technical field of composite fibers. The preparation process comprises the following steps: preparing the modifier; preparing modified graphite; preparing the antistatic modified polyamide fiber; preparing an antibacterial treatment solution; and preparing the chinlon composite fiber. Cyanuric chloride and N, N-dimethyl propane diamine react to generate an intermediate, then the intermediate and 1, 3-propane sultone react to generate an antibacterial agent, the antibacterial agent is prepared into an antibacterial treatment solution, and after the antibacterial treatment solution is added into the pretreated antistatic modified polyamide fibers, the antibacterial agent can be connected to the surfaces of the fibers, so that the antistatic property of the fibers is improved. The anti-static modified polyamide fiber has better washing-resistant and antibacterial properties by adding the antibacterial agent into the polyamide fiber, and then the washing-resistant and antibacterial properties of the antibacterial agent can be further improved after bond energy is enhanced through heat treatment, so that the prepared polyamide composite fiber has a long-acting antibacterial effect.

The invention relates to the field of shirt fabrics, and discloses a novel antistatic and breathable wool worsted shirt fabric and a production method of the novel antistatic and breathable wool worsted shirt fabric. Comprising the following raw materials in parts by weight: 45-55 parts of wool fibers, 5-8 parts of graphene modified polyester fibers, 1-2 parts of carbon nanotube modified wool, 8-12 parts of hemp fibers, 3-5 parts of aerogel polyamide fibers, 1-2 parts of silver zeolite composite particles, 10-15 parts of chitosan quaternary ammonium salt viscose fibers, 2-3 parts of a fluoride-free super-hydrophobic nano coating (o.w.f) and 5-10 parts of sulfobetaine modified polyamide. The graphene modified polyester fiber and the carbon nanotube modified wool are mixed, a continuous and stable conductive network is formed in the fabric by utilizing high conductivity of graphene and excellent electron transmission capability of carbon nanotubes, charge accumulation is reduced essentially, and uniform distribution of the conductive fiber is ensured by adopting a siro spinning technology.

The invention relates to the technical field of polyamide fiber manufacturing, and provides a porous polyamide fiber preparation method which comprises the following steps: respectively feeding skin layer polyamide, a cross-linking agent and core layer polyamide into a mouth mold; the pore-foaming agent is decomposed to generate gas, and the gas forms a uniform closed-pore structure in situ on the core layer chinlon; in the fusion cavity, the cross-linking agent is sandwiched between the core layer chinlon and the skin layer chinlon to generate a chinlon material with a skin-core chinlon cross-linked structure; after being pulled out through a spinning nozzle, the chinlon material is bundled through an oiling roller, and after oiling, chinlon fiber tows are formed; the polyamide fiber tows are subjected to graded stretching and winding forming, and finished polyamide fiber products are obtained. Therefore, a uniform closed pore structure is formed in the core layer chinlon through the gas decomposed by the pore-forming agent; a skin-core chinlon cross-linked structure with chemical bonding and low-heat-conduction network functions is formed between the core layer and the skin layer through a cross-linking agent. The thermal conductivity and the weight of the polyamide fiber are remarkably reduced, meanwhile, the polyamide fiber has high strength, and the light and warm-keeping polyamide fiber is obtained.

The invention relates to the technical field of high polymer materials and synthetic fibers, and particularly discloses a high-wear-resistance polyamide fiber and a preparation method thereof. The fiber is prepared by taking polycaprolactam as a matrix, compounding spherical nano silicon carbide and molybdenum disulfide nanosheets as wear-resistant components, taking a maleic anhydride grafted hydrogenated styrene-ethylene-butadiene-styrene block copolymer as an interface compatilizer, and taking hyperbranched polyamide-amine as a dispersing agent. The polyester fiber is prepared through the processes of master batch preparation, melt spinning, multi-stage hot drafting and relaxation heat setting. Through the synergistic effect of all the components and the optimization process, the wear resistance of the fiber is remarkably improved, and meanwhile, the common problems of toughness reduction and fatigue resistance deterioration in high-wear-resistance modification are effectively solved. The polyamide fiber is tough and durable, is specially used for manufacturing high-safety-requirement products such as mountaineering ropes, rescue ropes and industrial lifting belts, and can reduce the fracture risk in repeated use and guarantee the use safety.

The application relates to the field of nylon fiber processing, and discloses a preparation device for high-strength nylon fibers, which comprises a cleaning chamber, a drying chamber fixedly connected to one side of the cleaning chamber, a cleaning mechanism arranged in the cleaning chamber, a drying mechanism arranged in the drying chamber, a tension control mechanism arranged at the middle part of the right end of the drying chamber, a broken wire alarm mechanism arranged at the upper side of the right end of the drying chamber, two fixing tables of the cleaning mechanism, the fixing tables being fixedly connected to the inner sides of the cleaning chamber, and rotating rings movably connected to the inner side ends of the fixing tables. The cleaning mechanism and the drying mechanism are added, the nylon fibers can be strongly cleaned before being stretched, the dirt remaining on the surface can be removed, the drying mechanism can gradually heat and dry, the internal structure of the material can be prevented from being damaged, the nylon fibers can be preheated, the stretching performance and the plasticity of the nylon fibers can be improved, and the strength of the finished product can be improved.

The present invention discloses a novel fine-denier special-shaped cross-section nylon fiber and a production process, and relates to the technical field of nylon fiber production. The nylon fiber includes a hollow triangular cross-sectional structure, which is the main body of the nylon fiber. A circular cross-sectional structure is arranged inside the hollow triangular cross-sectional structure, and diamond cross-sectional structures are arranged at the three vertex positions of the hollow triangular cross-sectional structure. When the circular cross-sectional structure serves as the core of the hollow triangular cross-sectional structure, the structural strength of the nylon fiber is effectively improved, and the nylon fiber has good breaking strength and breaking elongation. The diamond cross-sectional structures are arranged at the three corners of the hollow triangular cross-sectional structure as a trifoliate structure, so that the nylon fiber has good cohesion and is bulky and full. At the same time, the inclined surface of the diamond cross-sectional structure cooperates with the inclined surface of the hollow triangular cross-sectional structure to produce a "flash" effect, presenting a silk luster.

The wear-resistant antistatic garment fabric comprises a wear-resistant layer, a conductive transition layer and a comfortable substrate layer which are sequentially compounded from outside to inside, and is characterized in that the wear-resistant layer is of a nylon fiber woven structure, the single yarn fineness of the wear-resistant layer is 80-150D, the surface of the wear-resistant layer is coated with a polyurethane-silicon carbide composite coating, the thickness of the coating is 10-30mu m, and the thickness of the coating is 10-30mu m; the conductive transition layer is of a polyester filament yarn embedded graphene woven structure, and the comfortable substrate layer is of a silver ion fiber blended knitted structure, so that the problem that the fabric is common in comfort is solved. According to the technical scheme, the wear-resistant antistatic garment material is provided. By adopting the nylon fiber woven structure and the polyurethane-silicon carbide composite coating, the wear resistance of the fabric is remarkably improved while the softness of the fabric is kept, a graphene network and a polypyrrole coating layer in the conductive transition layer form an efficient static conduction channel, static electricity generated on the fabric can be conducted out in time, and the wear resistance of the fabric is improved. Static accumulation is avoided, and wearing comfort and safety are improved.

The invention discloses a modified chinlon chemical fiber strength detection device based on an intelligent sensor, and relates to the technical field of material science and engineering. Through the arrangement of the detection device, after the two ends of a chinlon chemical fiber are fixed respectively, the chinlon chemical fiber is fixed through a pressing plate and a winding cylinder, and skid resistance is achieved; the chinlon chemical fibers can be kept stable in the detection process, repeated operation caused by sliding is reduced, the detection efficiency is improved, after the chinlon chemical fibers are fixed, the chinlon chemical fibers are placed into the inner wall of the positioning cylinder to be positioned on the upper side and the lower side, otherwise, the chinlon chemical fibers possibly deform or break in the unexpected direction, and the detection accuracy is improved. The strength performance of the chinlon chemical fibers under the normal use condition cannot be truly reflected, after the chinlon chemical fibers on the two sides are fixed, the driving rod rotates to enable the mounting bases on the upper side and the lower side to move back to back, the chinlon chemical fibers are detected, and data are fed back to the control panel in real time through the pressure sensor.

The invention discloses a superfine denier nylon cotton-feeling fabric and a preparation method thereof, and the preparation method sequentially comprises the following steps: yarn configuration and weaving: weaving is carried out by adopting warp yarns and weft yarns, the weft yarns are nylon air textured yarns (ATY), and the weft yarns are prepared by FDY filaments with the filament number of not more than 10D through air texturing processing; the dyed fabric is subjected to padding treatment, adopted finishing liquid contains waterborne polyurethane and a fluoride-free waterproof agent, baking shaping is conducted after padding, and the fabric is subjected to humidifying and moisture regaining treatment during fabric discharging. According to the superfine denier nylon cotton feeling fabric and the preparation method thereof, the touch feeling of the nylon fabric is improved through the specific yarn structure design and the synergistic after-finishing technology, so that the nylon fabric has the soft comfort close to that of a cotton fabric, and meanwhile, the characteristics of high wear resistance and high strength of nylon fibers and the effective fluoride-free waterproof performance are kept.

Embodiments of the present invention replace at least some flame retardant fibers (e.g., aramid fibers) in wadding traditionally used for thermal insulation liners with thermally stable polyamide fibers (e.g., nylon fibers). The TPP performance of garments incorporating thermal liner embodiments encompassed herein is comparable to garments formed with conventional thermal liners, even without being improved.

The application discloses a two-component nylon elastic yarn and a manufacturing process thereof, and relates to the technical field of textiles.The two-component nylon elastic yarn comprises an elastic yarn body which is composed of a yarn core and an outer surface layer arc ring part; the yarn core is a nylon polymer fiber; the outer surface layer arc ring part is an outer nylon fiber; and the elastic yarn body is obtained by blowing ATY yarn according to a blowing ratio of 1:0.8-2.8 between the nylon polymer fiber and the outer nylon fiber.The elastic yarn body is obtained by condensation of modified hexanediamine as monomer one and modified heptanedioic acid as monomer two, so that the stability of the elastic yarn body is increased, the dyeing temperature of the elastic yarn body is increased due to the π bond effect, the dyeing uniformity and elasticity are effectively improved, and the effect of high-temperature setting is suitable.

The utility model discloses a high-strength durable polyester fabric, and relates to the technical field of polyester fabrics. According to the key points of the technical scheme, the wear-resistant floor comprises a base layer, a plurality of through grooves are formed in the base layer, supporting pieces extending into the through grooves are fixedly connected to one side of the base layer, the thickness of the supporting pieces is smaller than the depth of the through grooves, and wear-resistant pieces with the same relative positions as the through grooves are fixedly connected to the other side of the base layer. One side, close to the base layer, of the wear-resisting piece is fixedly connected with a contact piece extending into the through groove, a plurality of deformation spaces are formed between the contact piece and the supporting piece, and a movable space is formed between the contact piece and the supporting piece. Therefore, the overall wear resistance and durability of the fabric are enhanced through the characteristics of the polyamide fibers.

The present application relates to a kind of high adhesive composite material for rubber dam and its preparation method, it is related to rubber dam technical field, wherein the high adhesive composite material for rubber dam includes the weatherproof layer of outer layer, the reinforcing layer of middle, inner layer self-repairing layer, by mass fraction, the weatherproof layer includes 90-110 parts high saturated nitrile rubber, 23-28 parts carbon black N550, 3-8 parts nano TiO2, 1-3 parts antioxidant 1010, 2-3 parts of dicumyl peroxide, the reinforcing layer includes 60-80 parts of ethylene-propylene-diene rubber, 25-35 parts of butadiene-styrene rubber, 13-15 parts, nylon fiber, 10-12 parts aramid fiber, 12-15 parts carbon black, 0.5-1.5 parts graphene, 1-2 parts of sulfur, 0.5-1.5 parts of accelerator CZ, the self-repairing layer includes 90-100 parts of silicone rubber, 5-10 parts nano SiO2, 5-8 parts self-repairing agent, 0.1-0.3 parts dispersant.The high adhesive composite material for rubber dam of the present application has good adhesion, can repair small crack in time, prevent the further expansion of crack.

The present invention discloses a method for preparing sunscreen fibers with aluminum and cerium co-doped zinc oxide quantum dots. By utilizing the local surface plasmon resonance of metal oxides to enhance the emissivity of the polymer substrate, a relatively high radiation cooling power is obtained. At the same time, the co-doped zinc oxide quantum dots have a relatively high ultraviolet absorption rate. Through a special shear oscillation melt extrusion process, the uniform dispersion of zinc oxide in nylon fibers is achieved. When the prepared fibers are irradiated by sunlight, the measured value of UPF is greater than 50, and the transmittance of UVA is less than 5%, meeting the requirements of ultraviolet protection products. In addition, when irradiated by the sun, the maximum temperature difference between the inside and outside of the zinc oxide nylon fibers reaches 4°C, showing an obvious cooling effect. The present invention has wide applications in sunscreen clothing.

The invention relates to the technical field of high-performance polyester, and discloses a moisture-absorbing and sweat-releasing braid, a preparation method thereof and application of the moisture-absorbing and sweat-releasing braid in underwear shoulder straps. The preparation method of the moisture-absorbing and sweat-releasing braid comprises the following steps: combining a guanidyl polymer with a modified quaternary ammonium salt compound to obtain a bi-component organic antibacterial agent; grafting a bi-component organic antibacterial agent to the modified composite inorganic antibacterial material to obtain an antibacterial modifier; mixing the polyester master batch and the antibacterial modifier, and carrying out melt spinning to obtain the modified profiled polyester fiber; the modified profiled polyester fibers are spun into modified polyester yarns, the nylon 6 fibers are spun into nylon yarns, and then the moisture absorption and sweat releasing braid is woven. The moisture absorption and sweat releasing braid made of the modified polyester fibers and the nylon fibers not only has the advantages of being good in mechanical property, high in elasticity, resistant to wear and skin-friendly, but also has excellent moisture absorption and sweat releasing performance and lasting antibacterial performance, and when the braid is used in underwear shoulder straps, comfortable, healthy and safe wearing experience can be provided for wearers.

The present invention discloses an antibacterial and environmentally friendly dyed fiber and a preparation method thereof, relating to the field of dyed fiber technology. The fiber comprises a composite fiber system consisting of modified cotton fiber, modified nylon fiber, and modified polyester fiber, wherein the mass ratio of the modified cotton fiber, modified nylon fiber, and modified polyester fiber is 30-40:20-25:15-25. The antibacterial and environmentally friendly dyed fiber also comprises silver ions, copper ions, and zinc ions. The present invention utilizes a synergistic antibacterial mechanism through the sequential release of silver, copper, and zinc ions. Silver ions are rapidly released within the first 6 hours, achieving an instantaneous bactericidal effect; copper ions are continuously released within 6-48 hours, maintaining a medium-term antibacterial effect; and zinc ions provide sustained-release protection for up to 7 days.

This application relates to the field of webbing, and discloses a silk webbing. A silk webbing is woven and heat-set from a blended yarn containing silk fibers. The blended yarn is made from 55-60 wt% pretreated silk fibers, 18-23 wt% spandex fibers, and 19-24 wt% nylon fibers. The pretreated silk fibers are obtained by sequentially soaking, enzymatically hydrolyzing, fluffing, and drying the silk fibers. This application, through pretreatment of the silk fibers, produces a silk webbing with good breathability, softness, and shape retention. When used in underwear shoulder straps, it is less prone to deformation and shrinkage after long-term wear and washing, and it is less likely to cause sweating and skin irritation, thus improving comfort in contact with the skin.

The utility model relates to the technical field of canvas, in particular to anti-condensation moisture-resistant canvas which comprises a lining layer, heat preservation layers are bonded to the two sides of the lining layer respectively, a tensile layer is bonded to the side, away from the lining layer, of each heat preservation layer, and a moisture-resistant layer is bonded to the side, away from the corresponding heat preservation layer, of each tensile layer. A hydrophobic layer is bonded to the side, away from the tensile layer, of the moisture-resistant layer, the lining layer is formed by spinning doubling threads formed by mixing nylon fibers and polyester fibers, the mixing ratio of the nylon fibers to the polyester fibers is 2: 1, the heat preservation layer is formed by blending polyester fiber cotton and wool, and the blending ratio of the polyester fibers to the wool is 5: 1. And the tensile layer is formed by blending aramid fibers and polyester fibers. According to the anti-condensation canvas, the anti-condensation effect of the surface of the canvas can be improved through the canvas formed by compounding multiple layers, so that the influence and interference of condensation on a canvas product are reduced, and meanwhile, the moisture resistance of the canvas can be further improved.

The invention relates to a full fabric electrode-skin sensing array. The array comprises a front end angle interlocking structure and a rear end angle interlocking structure, and a spacing layer and an electrode layer are arranged between the front end angle interlocking structure and the rear end angle interlocking structure; wherein the spacing layer is located 0.5 mm-1. 5mm above the electrode layer, the left sides of the spacing layer and the electrode layer are connected through a front end angle linkage structure, and the right sides of the spacing layer and the electrode layer are connected through a rear end angle linkage structure; spacing layer holes are distributed in the spacing layer in a matrix manner; an array electrode of the electrode layer is prepared from silver-plated nylon fibers and nylon fibers; nylon yarns are arranged in the warp direction; silver-plated nylon yarn is only located under the projection of the holes in the spacing layer in the weft yarn direction. And the rest is nylon yarns. While excellent wearing comfort is kept, accurate detection of physiological signals such as limb movement and plantar pressure distribution can be achieved, and the intelligent health monitoring system is suitable for long-term and continuous health state monitoring scenes.

The utility model discloses a leather wear-resistant chemical fiber fabric, and relates to the technical field of chemical fiber fabrics. According to the technical scheme, the waterproof fabric is characterized by comprising a chemical fiber layer, the chemical fiber layer is formed by weaving waterproof polyester yarn, the waterproof polyester yarn comprises a first plied yarn and a second plied yarn which are mutually twisted, the first plied yarn is formed by twisting polyester fiber, the second plied yarn is formed by twisting nylon fiber, the chemical fiber layer forms dermatoglyph through a scorching process, and the chemical fiber layer is formed by weaving waterproof polyester yarn. According to the chemical fiber fabric, the nylon yarns are added, and the waterproof performance and the wear resistance of the nylon yarns are excellent, so that the use performance of the chemical fiber fabric is improved, and clothes made of the chemical fiber fabric are more comfortable to wear.

The invention discloses a processing method of high-solarization durable anti-ultraviolet functional knitted fabric, which comprises the following steps: preparing chinlon yarn with a core-sheath structure, a core layer of the chinlon yarn is full-dull chinlon in which nano titanium dioxide particles are uniformly dispersed, and a sheath layer comprises the following components in percentage by mass: 75-87% of chinlon fiber, 10-20% of rare earth oxide and 3-5% of coating agent, the mass ratio of the sheath layer in the chinlon yarn is 20-30%; performing ultrahigh stitch length weaving; and dyeing treatment. The knitted fabric woven by the method is compact in structure, good in uniformity and low in porosity, has excellent anti-ultraviolet performance, high light fastness and durability, can realize UPF100 < + >, high light fastness greater than or equal to 4-5 levels, T (UVA) AV < 4%, still keeps excellent anti-ultraviolet performance, color fastness and mechanical properties after long-term solarization and multiple washing, and has a wide application prospect. Unification of anti-ultraviolet functionality and durability is achieved, the service life of the fabric is long, and permanent and efficient sun protection can be provided for the human body.

The application relates to the technical field of silica gel, and discloses a preparation process of a silica gel-nylon composite material with high bonding strength, which comprises vinyl polydimethylsiloxane, glycidyl ether-based organosilicon polyamide, hydrogen-containing silicone oil, tackifier and alkyne alcohol inhibitor. The glycidyl ether-based organosilicon polyamide contains an epoxy group, can react with terminal amino groups in nylon polyamide molecular chains in a nylon fiber membrane, simultaneously contains an amide group, can interact with amide bonds in the nylon polyamide molecular chains through hydrogen bonds, significantly improves the bonding force and bonding strength between the silica gel adhesive and the nylon fiber membrane, and exhibits higher peel resistance and bonding performance. The glycidyl ether-based organosilicon polyamide has both rigid polyaramid structures and flexible siloxane structures, is beneficial to improving the tensile performance and tear strength of the adhesive, and exhibits higher mechanical performance.