114 results about "Nylon fiber" patented technology

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 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 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 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.

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 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.

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 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.

This utility model discloses a pleated jacquard digital printing fabric, relating to the field of fabric technology. The key technical points are: it includes a base layer, on which several printing groups are fixedly connected; several through grooves are formed on the base layer; a wear-resistant sheet corresponding to each through groove is fixedly connected to the side of the base layer away from the printing groups; a support block is fixedly connected to the side of the wear-resistant sheet away from the base layer; and a support piece corresponding to each wear-resistant sheet is fixedly connected to the side of the base layer away from the printing groups. The support piece has a convex cross-sectional shape and lifts the support block so that the center of the wear-resistant sheet passes through the through groove. The wear-resistant sheet in this utility model uses nylon fiber, which has good abrasion resistance, increasing the abrasion resistance of the wear-resistant sheet and effectively extending its protection time for the printing components, thereby improving the overall durability of the fabric.

The utility model discloses an anti-cutting fabric for camouflage clothes, which belongs to the technical field of camouflage fabrics and comprises a camouflage fabric layer and an anti-cutting fabric layer which are compounded with each other. The camouflage fabric layer comprises a chinlon fabric base layer, and a camouflage printing layer is arranged on the surface of one side, far away from the anti-cutting fabric layer, of the chinlon fabric base layer; the anti-cutting fabric layer is formed by interweaving anti-cutting core-spun yarn, and the anti-cutting core-spun yarn comprises core yarn, and first wrapping silk yarn and second wrapping silk yarn which wrap the outer side of the core yarn and are arranged in opposite directions; the core yarn is an ultra-high molecular weight polyethylene filament, the first wrapping silk yarn is a PTFE split film filament, and the second wrapping silk yarn is an aramid fiber 1414 filament. According to the anti-cutting fabric for the camouflage clothes, the nylon fabric base layer adopts the nylon fibers, so that the anti-cutting fabric has a good wear-resistant effect. The ultra-high molecular weight polyethylene filaments, the high-strength polyester filaments and the aramid fiber 1414 filaments are used in the cut-resistant fabric, so that the fabric has a good cut-resistant effect.

The invention discloses a cool regenerated colored polyamide fiber and a preparation method thereof, and belongs to the technical field of chemical fiber preparation. The preparation method comprises the following steps: firstly, melting and spinning cool master batch, regenerated chinlon chips and other raw materials to prepare cool regenerated chinlon POY (Polyester Pre-Oriented Yarn) fibers; meanwhile, melt spinning is conducted on the color master batch, the regenerated chinlon slices and other raw materials, and stock solution coloring regenerated chinlon POY fibers are prepared; and finally, stranding the two functional POY fibers through a false twist texturing process to prepare the cool regenerated colored chinlon DTY fiber. By means of the step-by-step spinning and plying elasticizing integrated technology, the cool feeling, coloring and regeneration environment-friendly characteristics are combined in the fiber manufacturing stage, and the final product has the comprehensive advantages of being excellent in cool feeling durability, high in color fastness, simplified in production technology and environmentally friendly.

The utility model relates to the technical field of textile processing, and particularly discloses a copper antibacterial polyamide fiber processing device which comprises a melting barrel, a driving assembly is arranged on the melting barrel, a heating shell is fixed outside the melting barrel, a heating rod is arranged between the heating shell and the melting barrel, the front end of the melting barrel is fixedly communicated with a spinning cylinder, and the spinning cylinder is fixedly communicated with a spinning nozzle. A spinneret plate provided with a plurality of spinneret micropores is mounted at the front end of the spinneret cylinder, and a dredging assembly used for dredging the spinneret plate is arranged at the front end of the spinneret plate; the dredging assembly comprises a slidable heating piece, a plurality of microneedles are arranged on the side, facing the spinneret plate, of the heating piece, and the positions of the microneedles correspond to the positions of the spinneret micropores in a one-to-one mode. Under the action of the conveying lead screw, the heating piece can be pushed to one side of the spinneret plate, the spinneret plate is heated through the heating piece, meanwhile, the spinneret plate is dredged through the microneedle, and the spinneret plate does not need to be detached.

The present application relates to the field of textile printing and dyeing technology, and more particularly to an environmentally-friendly dyeing process for nylon fibers, comprising the following steps: S1, pretreatment; S2, ultrasonic-assisted low-temperature dyeing; S3, integrated treatment of phased temperature control and color fixing; S4, post-treatment; S5, drying and setting. The present application adopts the combination of ultrasonic-assisted dispersion, composite levelling agent synergy and phased temperature control, solves the long-standing problems of color mottle and color difference in nylon low-temperature dyeing, increases the one-time success rate of dyeing, almost eliminates the need for rework, and greatly improves the production efficiency. At the same time, the core dyeing temperature is reduced from the traditional high-temperature process of 95-100 DEG C to 65-75 DEG C, with a cooling range of 20-30 DEG C, which reduces the comprehensive energy consumption, greatly reduces the steam and power consumption, and fully meets the development of the textile industry.

The application provides a low-melting-point polyamide fiber and a preparation method thereof. The fiber is prepared by melt blending, spinning and forming of polyamide chip, 1-5wt% of a metal ion compound, 0.5-2wt% of nanoparticles and a stabilizer; the metal ion coordinates with the polyamide amide group to destroy the hydrogen bond network, the nanoparticles regulate the crystallization behavior, and the synergistic effect reduces the melting point of the fiber to 160-180 DEG C, while the strength is greater than 4 cN / dtex. The polyamide fiber has stable performance, low melting point and excellent mechanical properties, the process is simple and controllable, the problems of high melting point of traditional polyamide fiber, mechanical property reduction of existing modification method or complex process are solved, and the polyamide fiber is suitable for low-temperature processing scenes such as textiles, clothes and medical supplies, and has industrial application value.

The invention provides a strong-conjugation high-polarity ultraviolet absorbent as well as a preparation method and application thereof. According to the invention, a triazine derivative structure of a hyperconjugated system of (para-ester-triazine-BP-2-triazine-para-ester) is designed, the conjugated system is extended, charges in molecules are transferred, an ultraviolet absorption spectrum is widened, and an ultraviolet light absorber with a strong absorption effect on UVA and UVB is formed. The para-ester is introduced into the ultraviolet absorbent, and the vinyl sulfone group of the para-ester can be subjected to Michael addition reaction with amino (-NH2) in nylon to form a stable covalent bond, so that the ultraviolet absorbent is firmly combined on nylon fibers, and the washability is enhanced.

According to the normal-temperature and normal-pressure dyeable polyester fiber and chinlon composite yarn one-bath-process dyeing method, normal-temperature and normal-pressure dyeable polyester fibers are adopted to replace conventional polyester, synchronous one-bath-process dyeing of polyester and chinlon composite yarn under the normal-pressure condition is achieved, and the technical problem caused by the difference of the dyeing characteristics of two kinds of fibers in a traditional technology is solved. A traditional multi-step two-bath method is integrated into one step, so that the technological process is shortened by more than 50%, and the production efficiency is greatly improved. High-temperature and high-pressure equipment is not needed, and the replacement frequency of the dye liquor is reduced, so that the steam energy consumption is reduced by about 40%, the water consumption and the wastewater discharge amount are reduced by about 35%, and the green manufacturing requirement is met. The mild dyeing conditions of the process effectively protect the mechanical properties of the polyamide fibers, so that the strength retention rate of the polyamide fibers is increased by 15% or above, and excellent leveling property and color fastness are ensured. The operability and reproducibility of the process are also enhanced by the single-bath process, and a reliable guarantee is provided for large-scale stable production.

The application relates to the technical field of nylon, and discloses a flame-retardant nylon yarn and a preparation process thereof. Bis(amino-benzothiazole) phosphate phenyl ester and acetic acid-pentapolyethylene glycol-acetic acid are used for polymerization reaction to obtain a polyamide hydrophilic flame-retardant finishing agent. The nylon yarn is finished, the nylon yarn keeps very low water drop diffusion time and good hydrophilicity, and the hydrophilic and moisture-permeable performance of the nylon yarn is ensured. The polyamide hydrophilic flame-retardant finishing agent can be firmly attached to the surface of the nylon fiber yarn to form a firm hydrophilic polymer film, and the finishing agent is not easy to fall off after water washing. The phosphate ester and the benzothiazole structure in the polyamide hydrophilic flame-retardant finishing agent form a nitrogen-phosphorus-sulfur synergistic flame-retardant system, good flame-retardant effect is achieved, the total heat release amount and the combustion heat release rate peak value of the nylon fiber yarn during combustion are reduced, and excellent flame-retardant performance is shown.

The invention provides a flame-retardant antistatic nylon fiber with a skin-core structure and a preparation method of the flame-retardant antistatic nylon fiber, and belongs to the technical field of nylon fibers. The flame-retardant antistatic nylon fiber comprises an antistatic nylon skin layer and a flame-retardant nylon core layer, the outer surface of the flame-retardant nylon core layer is coated with the antistatic nylon skin layer, the antistatic nylon skin layer comprises a nylon 6 matrix and an antistatic agent, and the antistatic agent is aniline modified zirconium phosphate; wherein the aniline modified zirconium phosphate is obtained by carrying out in-situ polymerization on aniline monomers between stripped zirconium phosphate layers. The flame-retardant antistatic nylon fiber is obtained through sheath-core composite melt spinning. According to the invention, the antistatic agent and the flame retardant are efficiently and stably introduced into the nylon matrix, and the synergistic effect of the antistatic agent and the flame retardant is realized, so that the fiber has better spinnability and mechanical property, and meanwhile, the long-term effect and durability of the function are ensured.

The invention relates to the technical field of nylon, and discloses a high-strength and high-modulus nylon fiber and a preparation method thereof.The high-strength and high-modulus nylon fiber is obtained by melt extrusion, melt spinning, winding, drafting and heat setting of nylon resin and a polyamide phosphate flame retardant according to the proportion of 100 g: (1-8) g. The polyamide phosphate flame retardant contains a large number of bis-spiro phenyl phosphate flame-retardant structures and has excellent flame-retardant performance, magnesium hydroxide, aluminum hydroxide, montmorillonite and other inorganic flame retardants do not need to be added, the molecular main chain of the flame retardant contains amido bonds, the end position of the flame retardant also contains a large number of amido bonds, strong hydrogen bond interaction is formed between the flame retardant and nylon, and therefore the flame retardant performance is improved. A proper amount of flame retardant is added, so that a certain reinforcing effect is achieved on the nylon fiber, the breaking strength and the initial modulus are obviously improved, and the practical application of the nylon fiber in the aspects of fireproof suits, refractory materials and the like is expanded.

This invention relates to the field of textile fabric technology, specifically a lightweight, high-count, high-density fabric and its preparation method. The invention involves a copolymerization reaction of potassium propyl 3-methyl methacrylate, a double-bond-terminated flame retardant, modified triphosphazene, glycidyl methacrylate, and azobisisobutyronitrile to obtain an antistatic flame retardant. The antistatic flame retardant and amino-terminated hyperbranched polyamide are pre-melted and blended, and then nylon 6 is added. The mixture is then melt-spun, drawn, and cooled to obtain modified nylon fibers. These modified nylon fibers are used as the core yarn, and an outer blended yarn is added. The resulting fabric is produced through a compact Sirosfil spinning process, twisting, and plain weave. The finished fabric obtained by this invention possesses excellent flame retardancy, antistatic properties, and toughness, thus having broad application prospects in the field of textile fabric technology.

The invention discloses a high-temperature-irradiation-resistant inflatable sealing ring for a nuclear power station equipment gate and a preparation method, the sealing ring comprises an integrated hollow inflatable annular sealing body, and the sealing body is sequentially compounded with a high-temperature-irradiation-resistant ethylene propylene diene monomer outer layer, a polyamide fiber woven reinforcement layer and a low-gas-permeation rubber inner layer from outside to inside; the polyamide fiber woven reinforcing layer is of a continuous and joint-free integral woven structure and is bonded with the ethylene propylene diene monomer outer layer and the low-gas-permeation rubber inner layer into a whole through an adhesive. On the basis of a known EPDM + polyamide fiber system, a complete and reliable technical chain from materials to finished products is constructed by introducing a precise split combined mold, a Chemlok 238 adhesive cement pretreatment bonding process and an optimized formula containing an irradiation-resistant auxiliary agent; the problem of early failure caused by material failure, weak structure or insufficient verification of a traditional sealing ring is solved.

The utility model discloses a concrete manufacturing dust treatment device which comprises a dust collection main box and square-opening right-angle air inlet pipes, and the square-opening right-angle air inlet pipes are connected to the two sides of the dust collection main box. The front end and the rear end of the dust collection main box are connected with air collection covers, one end of each air collection cover is connected with an air collection pipe, one end of each air collection pipe is connected with a front air box, the bottom end of each front air box is connected with a centrifugal fan, and a spraying dust falling mechanism is arranged at the bottom end of the dust collection main box. The centrifugal fan is driven, the air collecting pipe, the air collecting cover, the dust collecting main box and the square-opening right-angle air inlet pipe are matched so that dust in the concrete manufacturing process can be sucked into the dust collecting main box, dust removal is achieved, the filter screen is installed in the air collecting cover, and the filter screen is covered with the nylon fiber synthetic resin film. And dust is prevented from being sucked into the centrifugal fan.

The invention relates to the technical field of nylon fiber preparation, and provides an antibacterial nylon 6 fiber preparation method, which comprises: preparing a solution A; preparing a solution B; the preparation method comprises the following steps: preparing a copper-tea polyphenol complex Cu-TP; preparing a hyperbranched polyamide solution; carrying out grafting reaction to generate a complex microbial inoculant; preparing a solid complex microbial inoculant; preparing modified antibacterial nylon 6 slices; preparing antibacterial nylon 6 fibers; and S7, preparing the antibacterial nylon 6 fiber from the modified antibacterial nylon 6 slices prepared in the step S7 through an extrusion process. Therefore, the complex microbial inoculant is fixed on a molecular chain of nylon 6 through a chemical bond by virtue of a polymerization reaction. Compared with the prior art, the complex microbial inoculant disclosed by the invention is firmly combined in a parent material, is not easy to migrate, and replaces physical dispersion, so that the complex microbial inoculant is uniformly dispersed in the parent material, and the antibacterial effect and the antibacterial durability of the material are improved. The invention also provides a fabric and clothes.

The utility model discloses an automobile cover shock absorption and sound insulation pad which comprises a rubber sound insulation pad of a hollow structure, a lint layer embedded in the lower end of the rubber sound insulation pad, a middle sponge layer embedded in the middle of the rubber sound insulation pad, and a bent cooling pipeline arranged in the middle sponge layer. A nylon fiber layer is attached to the lower end of the flannelette layer, and a plurality of pieces of dust suction cloth are attached to the lower end of the nylon fiber layer. According to the damping sound insulation pad for the automobile cover, the cooling pipeline, the inlet end, the outlet end, an external cooling water tank and a circulating pump form a cooling loop, heat can be dissipated outwards in time for continuous cooling, the whole sound insulation pad is well protected, the service life of the whole sound insulation pad is prolonged, and through arrangement of dust suction cloth, the service life of the sound insulation pad is prolonged. And dust on the inner side of the machine cover can be absorbed, and through arrangement of a second hook-and-loop fastener, dust absorption cloth can be detached and replaced regularly.

A regenerated nylon 66 fiber characterized by containing 5% by weight or more of regenerated nylon 66, having a total fineness of 110-2100 dtex, a strength of 7.6-10.0 cN / dtex, and an elongation of 15.0-35.0%. A material, regenerated nylon 66 fiber, having high strength and good hair quality is provided.

The application discloses a nylon four-way stretch fabric and a preparation process thereof, and relates to the technical field of textiles.The technical scheme points of the application are as follows: first, an elastic base fabric is provided, which is composed of a modified nylon multifilament as a sheath and spandex as a core, and a compound master batch containing flaky nano zinc oxide is melt-blended in the sheath; then, two-bath two-rolling penetration finishing is adopted, physical channels are formed in the amorphous region of the fiber by using a nylon fiber swelling agent to activate the fiber, and then a reactive finishing liquid containing polyurethane prepolymer and nano titanium dioxide precursor is immersed and rolled; finally, step-by-step heat treatment is performed, nano particles are generated by in-situ hydrolysis of the precursor at low temperature, and cross-linking and solidification are induced at high temperature.The application realizes deep anchoring and nanoscale uniform dispersion of functional components through the synergistic effect of endogenous physical shielding and in-situ generation of gradient film layers, solves the contradiction between high sun protection index and light and thin high-elasticity hand feeling, and endows the fabric with excellent ultraviolet protection performance, washing resistance, air permeability, cool feeling and antistatic performance.

The present application relates to the technical field of nylon fiber preparation machine, and disclose a kind of antibacterial nylon fiber preparation machine for sock production and preparation method thereof, including base, shell and water tank are installed on base, one end of water tank is inserted into the inside of shell, extrusion assembly is installed on shell, drawing assembly is installed on the side of shell, drawing assembly is located above water tank, the nylon fiber silk shaped by extrusion assembly falls in the inside of water tank, shell has cavity one and cavity two, air inlet assembly and fan assembly are installed in cavity one, the air outlet end of air inlet assembly and the air inlet end of fan assembly are all communicated with cavity two, the air flowing in the inside of cavity two is heat dissipated to the nylon fiber silk passing through cavity two.The nylon fiber line shaped by extrusion assembly falls into the inside of water tank under the action of gravity, after the shaped nylon fiber line is cooled through water tank, winding is realized by the rotation of the uppermost wire guide roller.

This application relates to the technical field of textile auxiliary agent synthesis, and in particular to a nylon softener and its preparation method, which is prepared from the following components by weight percentage: 10%-20% nylon silicone oil, 0.3%-1.0% pH adjuster, 1.0%-3.0% anti-coagulation agent, and deionized water to make up the balance to 100%. This application improves the bonding strength between the prepared nylon softener and nylon fabrics by modifying the nylon silicone oil with an organic amine similar in structure to nylon fibers, while also increasing the absorption rate of the nylon softener by the nylon fibers. Furthermore, the nylon softener exhibits good stability and dispersibility, resulting in better softness properties for novel nylon fabrics.

The radiation heat protection forest fire extinguishing suit fabric comprises a surface layer, an inner layer and binding yarns used for connecting the two layers. The surface layer is of a tiny concave-convex structure formed by interweaving various fibers and yarns with different yarn counts, and the yarns of the surface layer comprise silver-plated nylon fibers and at least two of polyimide fibers, meta-aramid fibers and para-aramid fibers. The inner layer is formed by weaving inner layer yarns, and at least one of the inner layer yarns comprises para-aramid and flame-retardant viscose. According to the fabric, the radiation heat reflection efficiency is remarkably improved through the cooperation of chemical reflection of the silver-plated nylon fiber on the surface layer and physical diffuse reflection of the macroscopic concave-convex structure. And the inner layer realizes the balance of skin-friendly moisture absorption and high strength. On the premise of not increasing load, the radiation heat protection value and the heat protection performance of the fabric are greatly improved, the fabric has excellent antibacterial performance, antistatic performance and heat and moisture comfort, and all-around safety guarantee is provided for firemen.