2482results about "Heating/cooling textile fabrics" patented technology

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

The invention provides a high-strength, light and supercritical foaming fabric and a preparation method thereof, complete fibers used by the fabric comprise core layer fibers and a skin layer material, the outer side of the core layer fibers is uniformly coated with the skin layer material, and the skin layer material can be foamed; the core layer fiber is at least one of aramid fiber, polyarylate fiber, polyimide fiber, ultra-high molecular weight polyethylene fiber, polyester fiber and polyamide fiber; and the skin layer is made of thermoplastic elastomer resin. The preparation method comprises the following steps: uniformly coating the outer side of the core layer fiber with the skin layer material, and then carrying out supercritical foaming on the skin layer material. According to the invention, the contradictory technical requirements of the fabric for shoes on strength, light weight, comfort and the like are solved in a simple mode; the body strength of the fiber for the shoes can be kept, and the characteristics of light weight and air permeability of the foaming fabric are also achieved; the difficulty of direct foaming of the fabric / fiber for shoes is reduced, and the vamp fabric and the shoe article which are uniform in foaming, breathable, light in weight, high in strength and soft can be obtained.

The invention relates to the technical field of tentering setting machines, in particular to a tentering setting machine filtering conduction band dust removal device which comprises a dust removal shell, the side wall of the dust removal shell is communicated with a hollow pipe, a filtering net cylinder is arranged in the dust removal shell, and rotating rings are fixed to the two ends of the filtering net cylinder. Limiting rings which are symmetrically distributed are fixed to the inner wall of the dust removal shell, scraping plates which are symmetrically distributed are fixed between the limiting rings, a partition plate is arranged on the inner wall of the filter screen cylinder, a rotating rod penetrates through the end face of the dust removal shell, and the rotating rod is connected with a driving mechanism, a transmission mechanism and a reverse blowing mechanism; when there are many impurities such as dust and thread ends on the surface of the filter screen cylinder, the filter screen cylinder is driven to rotate through the rotating ring, the filter screen cylinder in the rotating process is cleaned through the scraping plate, meanwhile, back flushing is conducted on the filter screen cylinder from the interior of the filter screen cylinder, and the impurities such as dust and thread ends adsorbed in meshes can be effectively blown off; and the cleaning effect on the filter screen cylinder is effectively improved.

The invention relates to a fluoride-free polyimide-based film and a preparation method thereof. The method comprises the following steps: S1, preparing a polyamide acid solution; s2, fluorine-free organic silicon serving as a modifier is added into the polyamide acid solution and dispersed, a blended spinning solution is formed, and the solubility parameter difference value of the fluorine-free organic silicon and polyamide acid is 2.0 (MPa) 1 / 2 or below; s3, carrying out electrostatic spinning on the blended spinning solution to form a polyamide acid-based nanofiber layer; and S4, carrying out thermal imidization on the polyamide acid-based nanofiber layer to obtain the fluoride-free polyimide-based film. The film has a structure formed by three-dimensional cross-linking and winding of polyimide-based nanofibers, and the polyimide-based nanofibers are composed of a polyimide base material and fluorine-free organic silicon dispersed in the polyimide base material. The method does not involve fluorine-containing raw materials, and is environment-friendly and high in process compatibility. The film provided by the invention has excellent waterproofness, air permeability and mechanical properties at the same time.

The invention belongs to the technical field of carbon material fibers, and discloses a preparation method of a carbon nanofiber reinforced carbon material fiber fabric, which comprises the following steps: fixing a weakly twisted carbon material fiber tow on an electrostatic spinning nano yarn machine; forming a carbon nanofiber membrane by utilizing electrostatic spinning, uniformly wrapping the carbon nanofiber membrane on a carbon material fiber bundle subjected to weak twisting, then rolling into a shaft, then weaving the rolled fibers into a fabric, and sequentially performing hot pressing and carbonization treatment on the fabric to prepare a carbon nanofiber reinforced carbon material fiber fabric; the weak twisting means that the twisting degree is 5-13 twists per meter. According to the invention, the carbon nanofiber is coated on the carbon material fiber, so that the interface bonding strength between the nanofiber and the carbon material fiber is improved, and then the fabric prepared from the carbon nanofiber is subjected to hot pressing and carbonization treatment, so that the mechanical property, the electrical conductivity and the heat-conducting property of the fabric are further improved; therefore, the composite material has a huge application prospect in the fields of high-performance composite materials, intelligent textiles and the like.

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

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

The invention relates to the technical field of laser cutting, in particular to a fabric laser cutting device for preparing an integrated seamless dress and a preparation method.The fabric laser cutting device comprises a fabric cutting device body, a rail frame is slidably connected to the fabric cutting device body, and a supporting frame is slidably connected to the rail frame; the outer wall of the bottom of the supporting frame is fixedly connected with a mounting plate. Through synchronous movement of the pressing roller and the laser cutting head, the situation that in the laser cutting process, due to the fact that the pressing assembly cannot move synchronously along with the track of the laser cutting head, fabric in a laser cutting area slightly moves due to cutting force or machine vibration factors, and the cutting accuracy and edge quality are affected is avoided; correspondingly, when the pressing roller and the laser cutting head synchronously move, the fabric can be stably pressed along with the track of the laser cutting head in real time, the stable pressing effect can effectively prevent the fabric from slightly moving due to factors such as cutting force or machine vibration in the cutting process, and therefore the cutting accuracy is improved.

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

The invention particularly relates to a red phosphorus-loaded carbon fiber material and application thereof in preparation of a potassium ion battery. The method comprises the following steps: dissolving polyacrylonitrile, ferric acetylacetonate and ZIF-8 in N, N-dimethylformamide to prepare a shell solution; dissolving potassium hydroxide in dimethyl sulfoxide to obtain a core solution; spinning the shell solution and the core solution into a nano composite fiber membrane through coaxial electrostatic spinning; carrying out pre-oxidation and carbonization treatment on the nano composite fiber membrane to obtain a uniform porous carbon nano fiber membrane loaded with iron metal clusters under proper atmosphere and temperature; and introducing red phosphorus into pores of the carbon nanofiber membrane by using an evaporation-condensation method to obtain the red phosphorus negative electrode material loaded with the iron metal cluster. The red phosphorus is nanocrystallized and embedded into the porous carbon fiber matrix, so that the problem of volume change of the red phosphorus is effectively solved; and meanwhile, the activation process is simplified by utilizing a coaxial electrostatic spinning technology, and the potassium storage electrochemical performance of the red phosphorus negative electrode is remarkably improved by introducing metal clusters.

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

The invention provides a preparation process and preparation equipment for a viscose-based short fiber solid felt with a gradient pore structure, and relates to the technical field of solid felt preparation, and the preparation process comprises the following steps: carrying out pre-needling reinforcement treatment on a carded fiber web, and carrying out pre-needling reinforcement treatment on the carded fiber web through a pre-needling machine in a needling unit, with the needling frequency of the pre-needling machine being 500-800 times / min. The viscose-based short fiber solid felt with the gradient pore structure is prepared by selecting viscose-based short fibers with different linear densities and lengths, reasonably mixing and proportioning and combining a gradient needling treatment process, the preparation process is simple and easy to implement, the pore gradient distribution of the solid felt can be accurately regulated and controlled, the special requirements of different fields on the pore structure of the material are met, and the application prospect is wide. The problems that the pore structure of the viscose-based short fiber solid felt prepared by the traditional process is usually relatively single and uniform and is difficult to meet the strict requirements of some special application scenes on gradient change of the pore structure of the material are solved.

The invention relates to the technical field of knitted fabrics, in particular to an efficient moisture absorption and sweat releasing knitted fabric and a preparation method thereof.The preparation method comprises the following steps that raw materials are weighed by weight, 15-25 parts of cotton fibers, 30-40 parts of modal fibers and 30-35 parts of Coolmax fibers are weighed, blended yarn is woven in a 30-inch 30-needle mode, and woven fabric is obtained. According to the knitted fabric, cotton fibers and modal fibers are matched with Coolmax fibers to be subjected to high-temperature blank fixing and blending treatment, then finishing modification liquid ultrasonic high-pressure immersion treatment is matched, and the raw materials are blended, optimized and improved, so that the moisture absorption and sweat releasing properties, the antistatic property and the pollution resistance of the prepared knitted fabric achieve performance balance coordination; meanwhile, the product has remarkable weather-proof and washing-resistant stability effects.

The invention discloses a preparation method of composite geotechnical cloth, belongs to the technical field of geotechnical material processing, and solves the problems of insufficient interlayer bonding strength, poor permeation stability and incapability of adapting to regional differentiation mechanical requirements in the traditional process. According to the method, two layers of synthetic fiber geotextile and a layer of polymer geomembrane are selected, and a gradient needling machine is adopted to implement a double-station gradient needling process, specifically, thick needle needling pre-reinforcement is synchronously conducted on the upper side and the lower side till the membrane thickness is 50-60% of the depth, then fine needle needling finishing is conducted till the membrane thickness is 70-80% of the depth, the needling density is preset to be 20-70 needles / cm according to different stress areas of a membrane material, and the needling density is 20-70 needles / cm according to different stress areas of the membrane material; in the process, data of needling depth, needling density and membrane material tension are collected in real time through a dynamic monitoring system, parameters are automatically adjusted, and finally a stable structure is formed through heat setting treatment at 120-140 DEG C for 8-12 minutes. The composite geotextile prepared by the method has a high-strength bonding interface and excellent anti-seepage performance, and is suitable for the engineering fields of water conservancy project anti-seepage, road base reinforcement, refuse landfill isolation and the like.

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

The invention relates to the technical field of spunbond non-woven fabric manufacturing, in particular to a low-cost recyclable spunbond non-woven fabric manufacturing method capable of replacing traditional kraft paper, and the method comprises the steps of raw material preparation, melt extrusion, spinning web forming, hot-press shaping, cooling and trimming, post-processing, coiling and forming and the like. Raw materials comprise polypropylene particles, degradable master batches and recycled spunbond non-woven fabric fragments, the recycled fragments are subjected to surface modification treatment, and the degradable master batches contain polylactic acid, a starch-based degradation agent and other components. The non-woven fabric is quantified to 80-120 g / m < 2 > by optimizing processes such as a barrier type screw, infrared preheating and laser trimming and cooperating with water-repellent and antistatic post-treatment, the mechanical properties such as tensile strength, tearing strength and folding resistance are superior to those of traditional kraft paper, the non-woven fabric can be recycled for at least three times, and the degradation period is controllable; the method realizes closed-loop utilization of raw materials, reduces cost and energy consumption, expands application in the fields of packaging, agriculture and the like, and has remarkable economic and environmental benefits.

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

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

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 a nanoscale double-phase high-entropy zirconate fiber membrane and a preparation method thereof, and belongs to the field of high-entropy ceramic fiber new material preparation, and the fiber membrane is composed of continuous high-entropy zirconate fibers; the chemical structural formula of the high-entropy zirconate fiber is (La0. 2Sm0. 2Gd0. 2Dy0. 2Yb0. 2) 2Zr2O7, and the high-entropy zirconate fiber comprises a biphase structure of pyrochlore and defective fluorite. Through the cooperation of the high-entropy structural design and the electrostatic spinning-calcining method, the fiber membrane has a pyrochlore and defective fluorite double-phase structure and a small grain size, so that the fiber membrane is endowed with good anti-sintering performance, heat insulation performance and high-temperature stability, and meanwhile, the fiber membrane has certain flexibility.

The present invention belongs to the technical field of carbon material fibers, and discloses a preparation method of a carbon nanofiber reinforced carbon material fiber fabric. The preparation method is as follows: Fix the weakly twisted carbon material fiber tow on an electrospinning nanofiber yarn machine, form a carbon nanofiber membrane by electrospinning and uniformly wrap it on the weakly twisted carbon material fiber tow, then wind it into a roll, and then weave the wound fibers into a fabric, and sequentially perform hot pressing and carbonization treatments on the fabric to obtain a carbon nanofiber reinforced carbon material fiber fabric; Weak twisting means that the twist is 5 to 13 turns / meter. The present invention first coats the carbon nanofibers on the carbon material fibers to improve the interfacial bonding strength between the nanofibers and the carbon material fibers, and then performs hot pressing and carbonization treatments on the fabric prepared therefrom to further improve the mechanical properties, electrical conductivity and thermal conductivity of the fabric, making it show great application prospects in the fields of high-performance composite materials, intelligent textiles, etc.

The present invention related to a method of for the production of textile articles, I which the textile articles can be disassembled automatically or semi-automatically, in which, when sewing or stitching, a polymer melt yarn is used.

The utility model discloses a chinlon elastic jacquard anti-wrinkle fabric which comprises a plain surface weave and a floating thread lifting point jacquard inner weave. The floating thread lifting point jacquard weave circulation comprises a single weft weave point and a floating thread, and the floating thread lifting point jacquard weave circulation is continuously arranged in the weft direction of the surface weave and is alternately and circularly arranged in the warp direction of the surface weave. The elastic chinlon jacquard anti-wrinkle fabric disclosed by the utility model is good in wrinkle resistance and high in shape stability.

The invention relates to a preparation method of a flexible SiBCNHf ceramic fiber fabric for high-temperature electromagnetic shielding, which comprises the following steps: (1) mixing a SiBCN precursor, a spinning aid, a curing agent, a hafnium-containing substance and a solvent, and uniformly stirring and mixing to obtain a spinning solution; (2) performing electrostatic spinning on the spinning solution to obtain a precursor, then performing cross-linking curing, and performing splitting decomposition in an inert atmosphere to obtain a flexible amorphous SiBCNHf ceramic fiber fabric; and (3) finally, carrying out high-temperature heat treatment. According to the invention, the SiBCNfHf ceramic fiber fabric with excellent flexibility is obtained by regulating and controlling the variety and content of an Hf source; in addition, controllable adjustment of electromagnetic parameters of the flexible SiBCNfHf ceramic fiber fabric is achieved by regulating and controlling the type and content of an Hf source and high-temperature heat treatment conditions, and then regulation and control of the high-temperature electromagnetic protection performance are achieved.

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

The invention discloses a flexible electrochemical sensor and a preparation method and application thereof. The electrochemical sensor comprises a working electrode, the working electrode comprises a carbonized fabric with high conductivity, strong electrochemical activity and large specific surface area and a functional layer arranged on the surface of the carbonized fabric, the carbonized fabric is composed of carbonized yarns, the carbonized yarns comprise carbonized fibers, the carbonized fibers contain active nitrogen and a microcrystalline graphite phase, and the functional layer is arranged on the surface of the carbonized fabric. The fibers comprise at least one of wool and silk; a counter electrode; a reference electrode; a lead; the working electrode, the counter electrode, the reference electrode and the wire are positioned on the surface of the flexible substrate and form a three-electrode system. The flexible electrochemical sensor has the advantages of low cost, simple process, high sensitivity, wide linear detection range, strong anti-interference capability and the like, can be directly attached to skin or attached to other wearable pads, and realizes wearable monitoring of lactic acid, glucose, ethanol or uric acid and other biomarkers in sweat.

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

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

The present invention provides a lightweight micro-nano porous three-dimensional high-heat protective material and a preparation method thereof. First, a heat-expandable microsphere foaming agent and a nano-sol composite smoke suppression flame retardant are added to a cellulose ionic liquid solution to prepare a flame-retardant prefabricated fiber; then, the flame-retardant prefabricated fiber is mixed with a high-performance flame-retardant fiber, a flame-retardant water-absorbing fiber and a flame-retardant hydrophobic fiber respectively to spin different blended yarns; then, the blended yarn is used to weave a multi-layer three-dimensional base fabric with a flame-retardant outer layer, a super water-absorbent layer in the middle, and a hydrophobic comfort layer in the inner layer; finally, the base fabric is subjected to high-temperature heating after being subjected to a nap treatment, so that the heat-expandable microsphere foaming agent in the fiber matrix is ​​expanded by heat to obtain a lightweight micro-nano porous three-dimensional high-heat protective material. The preparation process of the present invention is short, green and environmentally friendly, and easy to industrialize. The prepared protective material is lightweight, has excellent smoke suppression and flame retardancy, and has excellent heat insulation and moisture absorption properties, is comfortable to wear, and can be widely used in the development of lightweight high-heat protective clothing in high-temperature industries such as firefighting, smelting, and petrochemicals.