448results about "Electroconductive/antistatic filament manufacture" patented technology

The invention relates to the technical field of fibers, and discloses an antistatic warm-keeping fiber and a preparation method thereof. The preparation method comprises the following steps: carrying out graft modification on a far infrared material graphene oxide through functionalized POSS, introducing the modified graphene oxide and an ionic liquid into polypropylene, carrying out melt grafting to prepare an antistatic polypropylene master batch, introducing the master batch into polypropylene slices for spinning, and carrying out a synergistic antistatic effect of an inorganic antistatic agent graphene and an organic antistatic agent ionic liquid to prepare a composite material. The prepared fiber has antistatic performance and far infrared heating performance, and meanwhile, the POSS structure with excellent thermal stability is introduced, so that the heat resistance of the fiber is further improved.

The invention discloses an aerogel-based polyester fiber and a preparation method thereof, and relates to the technical field of fiber materials, the aerogel-based polyester fiber comprises the following raw materials by weight: 900-1200 parts of polyester chips, 80-160 parts of functional master batch, 3-8 parts of a hydrophobing agent, 2-6 parts of a heat stabilizer, 1-5 parts of an antioxidant, and 0.5-3 parts of an antistatic synergist; the preparation is performed based on the raw materials. According to the aerogel-based polyester fiber and the preparation method thereof, the functional master batch is introduced into a polyester system, and the functional master batch contains the polyester carrier and the modified silicon dioxide aerogel, so that the problems of poor dispersity and weak interface bonding force when the aerogel is directly added are solved, and the fiber can be used for preparing the aerogel-based polyester fiber while maintaining the mechanical properties of conventional polyester. The multifunctional effects of keeping warm, insulating heat, being light, hydrophobic, antistatic and the like are achieved, so that the application range of the polyester fiber in the fields of clothing, outdoor and functional materials is expanded.

The invention discloses a conductive yarn and a preparation method thereof, relates to the technical field of functional textile materials and composite conductive fiber preparation, and can solve the problems that an existing conductive yarn is poor in flexibility, insufficient in durability, prone to oxidation failure and difficult to integrate multiple functional performances. The preparation method comprises the following steps that S1, PBO yarn is soaked in a dopamine solution, a PDA modification layer is formed on the surface of the PBO yarn through a polydopamine self-polymerization reaction, and the PDA modification layer provides a chelation site and a bonding interface for metal deposition; s2, the PDA modified PBO yarn obtained in the step S1 is subjected to chemical silver plating, silver is deposited on a PDA modified layer to form a continuous conductive layer, and conductive PBO core yarn is prepared; s3, carrying out melt blending and granulation on the low-dielectric-constant flame-retardant filler and thermoplastic polymer resin to prepare flame-retardant composite particles; and S4, spinning by taking the conductive PBO core yarn prepared in the step S2 as a core layer and a melt formed by melting the flame-retardant composite particles prepared in the step S3 as a skin layer to prepare the conductive yarn.

The invention discloses a preparation method of a flexible electromagnetic shielding type force sensor based on a coaxial structure, and belongs to the field of flexible electronics and intelligent sensors. According to the method, a coaxial wet spinning process is adopted, a core-sheath structure conductive fiber is constructed, a core layer is made of a multi-walled carbon nanotube (CNT) and thermoplastic polyurethane (TPU) composite material, and a sheath layer is made of a nickel-coated carbon nanotube (Ni-CNT) and TPU composite material. By regulating and controlling the proportion of the core sheath, the construction of the gradient conductive network is realized, and the sensing sensitivity, the electromagnetic shielding performance and the mechanical flexibility are improved. The obtained Ni-CNT-coated CNT fiber is made into fabric and integrated in a sensing glove, and multi-finger bending detection and wireless man-machine interaction control are achieved. The sensor has the advantages of high sensitivity, wide strain detection range and excellent electromagnetic shielding effectiveness, is suitable for the fields of intelligent wearing, anti-interference man-machine interface and fire-fighting equipment, and can also be expanded to complex application scenes such as aerospace teleoperation.

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.

The invention discloses an anti-ultraviolet spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the anti-ultraviolet spinning yarn is prepared, 2, 4, 6-tri (4-hydroxyphenyl) boroxane and methylphenyl phosphonium chloride are subjected to a reaction, and a phosphorus-boron composite flame retardant is prepared; the preparation method comprises the following steps: polymerizing indole and 5-(aminomethyl) indole to coat the surface of nano titanium dioxide to prepare pre-modified nano titanium dioxide; the pre-modified nano titanium dioxide and (3-acryloyloxypropyl) tri (trimethylsiloxy) silane are subjected to a reaction, and modified nano titanium dioxide is prepared; mixing poly (pentamethylene diamine adipate), the modified nano titanium dioxide and the phosphorus-boron composite flame retardant, and performing melt spinning to obtain polyamide fibers; spinning polyamide fibers to obtain polyamide spun yarns; the polyamide spinning yarn is sequentially finished with the chloroacetic acid finishing liquid and the isoliquiritigenin finishing liquid, and the anti-ultraviolet spinning yarn is prepared. The anti-ultraviolet spinning yarn prepared by the invention has excellent anti-ultraviolet, flame-retardant and anti-static properties.

This invention provides a multifunctional gradient composite filament for 3D printing, its preparation method, and its applications, relating to the field of additive manufacturing materials technology. The filament's cross-section includes at least two structurally or functionally distinguishable regions, each region composed of a thermoplastic polymer with different chemical properties, or a thermoplastic polymer matrix with the same chemical properties but different functional modifications. These at least two regions are arranged in an ordered spatial pattern on the filament's cross-section using a multi-component co-extrusion technique, enabling pre-design and integration of properties. This invention overcomes the inherent limitations of traditional single-material filaments, achieving multifunctionality and performance designability of a single filament. It significantly improves the interlayer bonding performance of multi-component 3D printing and the comprehensive mechanical properties of the printed composite material. Furthermore, it allows for the production of components with both functional gradients and high mechanical properties in a single printhead operation, making it suitable for mass production.

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 relates to the technical field of layered composite fabrics, in particular to a flame-retardant-fiber-based multilayer flame-retardant composite fabric for an aircraft cabin and a preparation method of the flame-retardant-fiber-based multilayer flame-retardant composite fabric. The preparation method comprises the following steps: reacting acrylic acid with DOPO to prepare modified DOPO; reacting the epoxy POSS with the modified DOPO to prepare a composite flame retardant; reacting the hydrophilic grafted polyamide with a composite flame retardant and amino-modified nano-montmorillonite to prepare modified polyamide; carrying out melt spinning and chopping on the modified polyamide to obtain flame-retardant fibers; the flame-retardant fibers are spun into flame-retardant yarns, then the flame-retardant yarns are spun into a fabric, and a surface fabric is obtained; the flame-retardant fibers and the polyester fibers are blended to obtain blended yarns, and then the blended yarns are spun into a fabric to obtain a bottom layer fabric; and compounding the surface layer fabric and the bottom layer fabric to obtain the composite fabric. The prepared composite fabric has excellent flame retardant property and antistatic property, and can be applied to aviation cabins.

The invention belongs to the technical field of preparation of single-walled carbon nanotube fibers, and particularly relates to a preparation method of high-conductivity single-walled carbon nanotube fibers, which comprises the following steps: preparing a single-walled carbon nanotube crude product by a chemical vapor deposition method, pickling and purifying, and oxidizing and purifying at high temperature to obtain a single-walled carbon nanotube; the preparation method comprises the following steps: adding a single-walled carbon nanotube into a poly [2, 5-dihydroxy-1, 4-phenylene pyridine diimidazole] aqueous solution, dispersing, and collecting supernatant liquid to obtain a single-walled carbon nanotube purified liquid; adding chlorosulfonic acid into the single-walled carbon nanotube purified solution in an argon atmosphere to obtain a single-walled carbon nanotube spinning solution; and injecting the single-walled carbon nanotube spinning solution into a coagulating bath in an argon atmosphere to prepare the single-walled carbon nanotube fiber. According to the invention, the poly [2, 5-dihydroxy-1, 4-phenylenediimidazole] is adopted to selectively disperse the metallic single-walled carbon nanotubes, and the gold single-walled carbon nanotubes in the single-walled carbon nanotube fibers are high in purity, so that the conductivity can be improved.

The invention relates to the technical field of wave-absorbing materials, in particular to a broadband wave-absorbing material and a preparation method and application thereof. According to the preparation technology of the wave-absorbing material, a non-woven fabric carrier with graded pores and continuous gradient distribution is constructed by virtue of induction of a centrifugal force field, and then the non-woven fabric carrier is placed in a magnetic dispersion liquid system to be subjected to impregnation ultrasonic dispersion load treatment, so that heterogeneous interface structures are constructed on the surfaces and the interiors of fibers, and the prepared material fabric has the characteristics of light weight and broadband wave-absorbing performance; the method is suitable for military and civil high-tech fields such as electromagnetic protective clothing and invisibility. The method has the advantages of short production period, high raw material utilization rate and the like.

The invention discloses environment-friendly wormwood cloud wool and a preparation method thereof, and relates to the technical field of cloud wool. The preparation method comprises the following steps: adding titanium dioxide powder into an ethyl sorbate solution, coating a polyethyl sorbate film through an in-situ polymerization method, hydrolyzing ethyl sorbate to release carboxyl to obtain modified titanium dioxide powder, and mixing the modified titanium dioxide powder with waste polyester and wormwood powder to form a spinning solution; secondly, N, N, N ', N'-tetramethyl-p-phenylenediamine and 6-iodine-1-hexene are subjected to a reaction to prepare quaternary ammonium salt, double bonds are introduced into a compound, then the compound and 11-mercaptoundecyltrimethoxysilane are subjected to an ultraviolet click reaction, and mercapto modified quaternary ammonium salt is prepared; sulfydryl modified quaternary ammonium salt is used as an antistatic agent to be added into a spinning solution, the environment-friendly wormwood cloud wool is prepared through wet spinning, sulfydryl modification is beneficial to uniform dispersion of the quaternary ammonium salt in the spinning solution, and uneven fiber structure or breakage caused by uneven dispersion of an additive is reduced. The environment-friendly wormwood cloud velvet prepared by the preparation method disclosed by the invention has antibacterial and antistatic effects.

The invention discloses a preparation method of a long-acting antistatic polymer master batch for skin-core spinning polyester, and relates to the technical field of high polymer material preparation. The hard segment comprises the following components: 100 parts of aromatic polyester, the aromatic polyester is generated through a reaction of 100 parts of an aromatic monomer and 80-120 parts of aliphatic dihydric alcohol, the aromatic monomer is dimethyl terephthalate, and the aliphatic dihydric alcohol is 1, 4-butanediol. Through cooperation of the hard segment structure, the soft segment structure, the polyaniline, the protonic acid, the ionic liquid, the fluorine-containing polymer and the sulfonate, the problems that the antistatic performance of the polyester master batch depends on environment humidity, the subsequent process is easy to lose efficacy, and the compatibility with a polyester matrix is poor are solved; the master batch can maintain a stable antistatic effect in a low-temperature and low-humidity environment, the performance of the master batch is not attenuated after subsequent procedures such as elasticizing and printing and dyeing, meanwhile, short filaments and broken filaments are avoided in the spinning process, and the continuity of polyester fiber production and the quality of finished products are improved.

The invention relates to the technical field of fiber materials, in particular to a polydopamine modified polypropylene antistatic fiber and a preparation method thereof. The antistatic polypropylene fiber overcomes the problems of poor antistatic effect and mechanical property of the polypropylene fiber. The preparation method comprises the following steps: carrying out step-by-step mixing, melt extrusion, spinning, drafting and heat setting on raw materials such as polypropylene slices, polydopamine modified polypropylene, carbon nanotubes, modified titanium dioxide, modified graphene and the like to obtain the antistatic fiber. The polydopamine modified polypropylene is obtained by modifying polypropylene with dopamine hydrochloride; the modified titanium dioxide is obtained by modifying nano titanium dioxide by using 3-aminopropyltriethoxysilane; the modified graphene is obtained by sulfonating graphene oxide and adding octadecylamine for modification. All the materials and the process cooperate with each other, an antistatic system is constructed on the surface and in the fiber, and meanwhile the mechanical property is improved. The fiber prepared by the method is excellent in antistatic effect and mechanical property, and has a good application prospect.

The invention relates to the technical field of polymer fibers, and particularly discloses an antibacterial and antistatic polymer fiber for fabric and a preparation method thereof. The antibacterial and antistatic polymer fiber for the fabric comprises the following raw materials: 40-60 parts of a copolymerized polyester base material; 8 to 12 parts of a modified UiO-66 antibacterial agent; 5-10 parts of a composite antistatic agent; 2 to 5 parts of polyether ester amide; 1 to 3 parts of tributyl citrate; 0.5 to 2 parts of erucyl amide; 0.3 to 1 part of a composite antioxidant; the modified UiO-66 antibacterial agent is obtained by modifying UiO-66 by using curcumin and a silane coupling agent. The polymer fiber has excellent antibacterial performance and antistatic performance, and can meet the use requirements of high-end scenes such as medical protection, infant home textiles and precision electronic workshop tools.

The invention belongs to the technical field of electromagnetic shielding, and relates to an electromagnetic shielding enhanced halogen-free flame-retardant PBT composite fiber and a preparation method thereof.The electromagnetic shielding enhanced halogen-free flame-retardant PBT composite fiber comprises a PBT matrix, carbon fibers, magnetic ferrite coating glass fibers and a halogen-free flame retardant, and the carbon fibers, the magnetic ferrite coating glass fibers and the halogen-free flame retardant are dispersed in the PBT matrix; the magnetic ferrite coating glass fibers are distributed randomly; the electromagnetic shielding effectiveness of the fabric woven by the PBT composite fibers at 30 MHz to 1 GHz is greater than 60 dB; during preparation, the PBT, the halogen-free flame retardant and the antioxidant are uniformly mixed and then conveyed into a double-screw extruder, then the carbon fibers, the magnetic ferrite coating glass fibers and the OPE wax are added into the double-screw extruder from a side feeding port, and after melt extrusion granulation, a product is prepared by adopting a spinning, drafting and winding one-step method. The PBT composite fiber disclosed by the invention has an excellent electromagnetic shielding effect; during preparation, the problem of wick effect is solved through compounding of CF and GF.

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 technical field of high polymer materials, in particular to an anti-aging thread gluing material and a preparation process thereof. Comprising the following steps: preparation of aluminum-doped zinc oxide, tannic acid modified aluminum-doped zinc oxide, ferulic acid modified nylon fiber and modified nylon master batch preparation of the thread gluing. According to the invention, groups of tannic acid and aluminum ions and zinc ions of aluminum-doped zinc oxide are driven by heat energy of a reflux reaction to simultaneously generate chelation-dehydration condensation to form a five-membered ring chelate, so that a compact coating layer is formed on the surface, and the coating layer is simple in component and has very stable chemical bonds; the ultraviolet light stability of aluminum-doped zinc oxide is enhanced, the layer can generate hydrogen bond / pi-pi interaction with nylon amido bonds, the interface bonding strength is improved, the particle size is kept at the level of no filter pressure fluctuation in the spinning process, and the volume resistivity of nylon fibers is reduced.

A conductive hydrogel fiber including a hydrogel network formed from a water-soluble hydrogel polymer and conductive fillers dispersed therein is provided. The hydrogel network includes a porous structure having nanofibrillar network walls, the surfaces of which are provided with interconnected crystallized nanofibrils formed by concentration and aggregation of the hydrogel polymer. The conductive hydrogel fiber exhibits high electrical conductivity, excellent tensile strength, large elongation at break, high toughness, and low swelling in water.

The invention relates to the technical field of fibers, and discloses a light-color warm-keeping fiber, a preparation method and application of the light-color warm-keeping fiber to fabrics. According to the invention, polyacrylonitrile modified silicon dioxide aerogel is used as a heat-insulating functional filler, cationic modified nano zinc oxide is used as an antistatic agent and an antibacterial agent, and the light-colored polyacrylonitrile fiber is prepared by adopting a melt spinning method and has good heat-insulating and warm-keeping properties; and the cationic inorganic-organic composite antibacterial antistatic agent is introduced, so that the antibacterial and antistatic properties of the fiber are optimized.

A bio-based electrically conductive polymer composite material is provided. The bio-based electrically conductive polymer composite material is useful as a bio-based anti-static inner layer in an aerospace hose.

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.

The invention relates to the technical field of flexible bioelectronics and biomedical sensors, in particular to a biocompatible flexible carbon-based physiological electrode prepared through coaxial spinning and application of the biocompatible flexible carbon-based physiological electrode. The conductive core is formed by crosslinking graphene oxide, carbon nanotubes and the like; the buffer layer contains polyurethane and the like, and shape memory microspheres and antibacterial nano-silver are added; a biological interface layer contains chitosan and the like, and PEG-PE is grafted to reduce protein adsorption; the thickness ratio of the three layers is 1: (1.5-2): (0.5-1), and the thickness is 100-300 microns; the electrode has conductive, sensing and antibacterial functions, can load double enzymes for blood glucose monitoring, is strong in interlayer bonding, and is suitable for various biomedical scenes. By innovating the three-layer structure and the material design, high conductivity, high flexibility and excellent biocompatibility are achieved; multi-parameter monitoring and electrical stimulation treatment can be achieved, the anti-bending performance is good, the antibacterial and anticoagulant effects are good, the preparation process is controllable, and the application prospects in the fields of wearable equipment, implantation medical treatment and the like are wide.

The invention provides a degradable modified polyester fiber as well as a preparation method and application thereof, and belongs to the field of textile fibers. The degradable modified polyester fiber provided by the invention is prepared from the following components in parts by weight: 80 to 110 parts of PBAT (poly (butylene adipate-co-terephthalate)), 1 to 35 parts of natural plant fiber, 0.1 to 20 parts of hyperbranched polyester grafted carbon nanotube, 0.1 to 20 parts of nano-silver-titanium dioxide compound and 0.1 to 20 parts of plant essential oil microcapsule, the degradable modified polyester fiber is prepared from the components through melt blending and spinning, so that the toughness is enhanced while the mechanical property is improved, the components can be uniformly dispersed, the interfacial compatibility is improved, and the polyester fiber is endowed with antistatic property and antibacterial property. The application of the modified polyester fiber in textiles can solve the problems that waste textiles are difficult to degrade, the textiles are poor in flexibility and comfort and the like.

The invention relates to the technical field of functional textile fibers, and discloses a high-elasticity textile fiber and a preparation method thereof.The preparation method comprises the following preparation steps that isocyanate, polyol and an organic solvent are mixed and heated, a catalyst is added, stirring reaction is conducted, then a chain extender and a composite conductive additive are added, stirring reaction is conducted, and a polyurethane matrix is obtained; the preparation method comprises the following steps: washing, drying and slicing a polyurethane matrix, extruding and granulating, and carrying out melt spinning and winding to obtain the high-elasticity textile fiber. In the composite conductive auxiliary agent, a tubular structure taking porous silicon dioxide loaded with liquid metal as a core material and graphene-polyaniline as a shell has relatively good tensile property, so that the situation that the liquid metal is easy to separate and separate out when the high-elasticity textile fiber is under a high tensile condition, so that the conductivity is reduced is avoided; and a cross-linked network structure is formed on the surface of the activated conductive filler, so that the impact resistance of the fiber can be enhanced.

The invention discloses a liquid metal acoustic sensing fiber and a preparation method thereof.The sensing fiber is of a skin-core structure and comprises a skin layer and a core layer, the skin layer comprises a polyurethane elastomer, and the core layer comprises a conductive composite layer composed of liquid metal, nano-silver, carbon nanotubes and the polyurethane elastomer; wherein the conductive particles are liquid metal, nano silver and carbon nanotubes. The skin-core structure acoustic sensing fiber is prepared through the liquid metal, nano-silver and carbon nanotube composite conductive material and a coaxial wet spinning process, the skin-core structure acoustic sensing fiber is excellent in conductivity, stretchable, good in acoustic response performance and sensitive to sound waves of different frequencies, the preparation process is simple, large-scale production is easy, the cost is low, and the material is resistant to electromagnetic interference and high in environmental adaptability.

The invention relates to the technical field of polylactic acid fibers, and discloses a preparation process of an anti-static polylactic acid superfine fiber fabric, star-shaped polylactic acid grafted carbon nanotubes are prepared from tetra (hydroxymethyl) phosphorus chloride, 2-amino-4, 6-dimethoxy-1, 3, 5-triazine and the like as raw materials, and the star-shaped polylactic acid grafted carbon nanotubes and polylactic acid slices are subjected to melt spinning to obtain the polylactic acid superfine fiber fabric; the star-shaped polylactic acid grafted carbon nanotubes have a structure similar to that of a polylactic acid matrix, so that the carbon nanotubes are uniformly dispersed in a polymer matrix and form relatively strong interface bonding, migration and precipitation are avoided, and the star-shaped polylactic acid grafted carbon nanotubes have anti-static durability; the structure of the superfine fiber fabric contains nitrogen and phosphorus synergistic flame-retardant elements, so that the exchange between a fiber matrix and oxygen and heat in the air can be blocked, and the flame-retardant property of the superfine fiber fabric is improved; the density of the fiber fabric can be increased by the formed cross-linked network structure, so that the mechanical property of the superfine fiber fabric is remarkably improved.

The invention provides a porous conductive fiber, an intelligent fabric and a preparation method thereof, and belongs to the technical field of intelligent fabrics. The preparation method of the porous conductive fiber comprises the following steps: preparing a spinning solution from a conductive material, a thermoplastic elastomer and a template agent, and preparing the porous conductive fiber by combining a spinning method and a sacrifice template method; the conductive material is selected from at least one of a graphene material, an MXene material, a carbon nanotube material and a metal organic framework material; the template agent is selected from at least one of sodium chloride, cube sugar, starch, Janus particles, colloidal silica oxide, cellulose and polymethyl methacrylate. The porous conductive fibers and the hydrophobic elastic porous fibers are woven and integrated into the intelligent fabric. The porous conductive fiber prepared by the invention has relatively high strength, a wide stretching range and relatively high toughness; the intelligent fabric has good self-powered sensing performance, air permeability, washing resistance, cycle durability and one-way wet permeability, and can be worn by a human body and used for detecting human motion.

The invention discloses an antistatic flame-retardant fiber and a preparation method thereof, and relates to the technical field of functional textile materials. When the antistatic flame-retardant fiber is prepared, the multi-walled carbon nanotube is carboxylated to prepare the modified multi-walled carbon nanotube; carrying out surface free radical polymerization on the modified multi-walled carbon nanotubes and caprolactam to obtain modified polyamide 6 slices; the modified polyamide 6 is sliced and spun, and modified polyamide 6 fibers are prepared; the preparation method comprises the following steps: respectively reacting phytic acid and 2, 3-epoxypropyl trimethyl ammonium chloride with chitosan to prepare a polyanion / cation modified chitosan solution; the modified polyamide 6 fiber is alternately soaked in two modified chitosan solutions, and is treated by cocamidopropyl betaine to prepare the antistatic flame-retardant fiber. The antistatic flame-retardant fiber prepared by the invention has excellent antistatic property, flame retardance and mechanical strength.

The invention relates to the technical field of functional fiber materials, and particularly discloses an antistatic fiber, an antistatic textile and antistatic underwear prepared from the antistatic fiber and the antistatic textile. The antistatic fiber is prepared from the following components in parts by weight: 88 to 94 parts of polyethylene glycol terephthalate, 3 to 8 parts of polyether ester segmented copolymer, 0.5 to 1.2 parts of electronic conductive agent, 0.3 to 0.8 part of dispersing agent, 0.2 to 0.5 part of antioxidant and 1.0 to 2.0 parts of toughening agent. Wherein the electronic conductive agent is a sulfonated polyether ester grafted carbon nanotube, and is prepared by reacting a carboxylated multi-walled carbon nanotube with sulfonated polyether ester in an organic solvent in the presence of a coupling agent and an acylation catalyst. The invention further provides a preparation method of the antistatic fiber. The preparation method comprises the steps of functional master batch preparation, mixing and drying and melt spinning. The antistatic textile prepared from the fiber and the antistatic underwear prepared from the antistatic textile have good antistatic performance and durability.