393 results about "Acrylic fiber" patented technology

The invention relates to the technical field of layered composite fabrics, and discloses a light-absorbing and heat-emitting chinlon fabric, a preparation method and application of the light-absorbing and heat-emitting chinlon fabric to thermal fabrics. According to the invention, the fluorine-free and waterproof light-absorbing and heating finishing agent with excellent light-absorbing and heating performance is prepared, then the sulfydryl silane modified chinlon single-layer fabric is subjected to surface finishing by adopting the light-absorbing and heating finishing agent through sulfydryl-alkene click reaction, and the prepared light-absorbing and heating chinlon single-layer fabric is used as the surface layer fabric; the light-absorbing and heating chinlon fabric obtained by compounding the light-absorbing and heating chinlon fabric with the inner layer made of the acrylic fiber / special-shaped section chinlon blended yarn not only has excellent light-absorbing and heating performance, but also has good waterproof performance of the surface layer, good warm-keeping performance of the inner layer and good wearing comfort, and can be applied to warm-keeping fabrics.

The invention belongs to the technical field of court ground materials, and particularly relates to a ground material of a ground throw court and a preparation method thereof. The ground material of the ground throwing field comprises the anti-skid surface layer, the elastic buffer layer and the sound insulation layer from top to bottom, and has excellent sound insulation, impact resistance and wear resistance. The polyvinyl butyral bonded acrylic sound insulation felt and the jute fiber board are used as a sound insulation felt composite material to be laid on the surface of the base layer, so that the sound insulation effect of the ground of the ground throwing field is enhanced, boric acid and phenylboronic acid are compounded to react with siloxane, and reinforced gel prepared by adding a reinforcing material has excellent shear hardening and thermal stability, so that the sound insulation effect of the ground of the ground throwing field is improved. An elastic reinforcing material is prepared by compounding alkali-treated straw fibers and a reinforcing body prepared by compounding the alkali-treated straw fibers and a hydrophobically modified sponge framework, and has remarkable creep resistance and excellent impact hardenability, and the esterified straw fibers prepared by reacting the alkali-treated straw fibers with citric acid are used as a toughening agent to be added into wear-resistant elastic microspheres prepared by rubber, so that the wear-resistant performance of the wear-resistant elastic microspheres is greatly improved. The material has excellent wear resistance, light weight and aging resistance.

The present invention relates to the field of fibers, and in particular, to a preparation method for a protein composite fiber. The preparation method comprises spinning, pretreatment, surface treatment, preparation of modified mineral powder, loading, mixing and crosslinking. A pretreated nascent fiber is immersed in a protein composite solution to be in full contact with modified extract mineral powder and a soluble protein, and a crosslinking reaction is carried out; the structure of the dried fiber is more compact; the extract and the soluble protein are more stable in the fiber while the fiber strength is improved; and the loss rate is less than 1% after washing for 50 times. The protein composite fiber prepared by the present invention is skin-friendly and soft, has good moisture absorption and moisturizing effects, and is rich in amino acid and protein, wherein the content of the protein is up to about 12%. Moreover, in the present invention, a common fiber is used as a base material, thereby achieving natural antibacterial, anti-oxidation and deodorizing effects while endowing fibers such as viscose, acrylic fibers, polyester, chinlon, vinylon, and polypropylene fibers with the advantages of a natural protein on the basis of ensuring excellent properties of the base material itself, and thus the range of application is wider.

The invention discloses an anti-pilling acrylic fabric and a production method thereof.The production method includes the steps that acrylic fibers and acetate fibers are blended to obtain blended yarn, the blending ratio of the acrylic fibers to the acetate fibers is 50: 50, the spinning count is 50 S, during blending, the specification of the acrylic fibers is 0.8 D * 38 mm, the acetate fibers are 1.2 D * 38 mm cotton-type short fibers, the specification of the acrylic fibers is 0.8 D * 38 mm cotton-type short fibers, the specification of the acetate fibers is 0.8 D * 38 mm cotton-type short fibers is 0.8 D * 38 mm cotton-type short fibers, and the specification of the acrylic fibers is 0.8 D * 38 mm cotton-type short fibers; weaving the blended yarns into a warp satin weave fabric, wherein the warp and weft density is 787 * 374 / 10cm; the fabric is processed through the steps of preparing, spinning, slashing, weaving and finishing and dyeing. According to the invention, the acetate fiber is adopted as a raw material and is blended with the anti-pilling acrylic fiber, so that the acetate fiber has good natural air permeability and quick drying, not only keeps the warm keeping and softness of the acrylic fiber, but also embodies the brilliant color, bright appearance, smooth contact, easy care and wrinkle resistance of the acetate fiber.

The utility model discloses a sunscreen breathable chemical fiber fabric, and relates to the technical field of chemical fiber fabrics. According to the key points of the technical scheme, the inner layer and the outer layer are fixedly connected with each other, a plurality of I-shaped gaps are formed in the inner layer, a plurality of blocking pieces which are symmetrically arranged are fixedly connected to the inner walls of the gaps in the length direction, and the supporting force of the inner layer on the blocking pieces is larger than the gravity of the blocking pieces. One side, close to the inner layer, of the outer layer is fixedly connected with a contact piece which is the same as the corresponding position of the crack, and the sectional area of the crack is inversely proportional to the distance between the contact piece and the inner layer. And the acrylic fibers are arranged to enhance the overall shading and durability of the fabric.

The invention discloses a high-permeability composite non-woven fabric and a processing technology thereof, and relates to the technical field of non-woven fabric processing. Comprising the following steps: step 1, coating the surface of a non-woven fabric primary product with a membrane casting solution to obtain a hydrophilic non-woven fabric layer; blending acrylic fibers and silver fibers in a mass ratio of (50-60): 1 to obtain an antibacterial grid layer; carrying out melt extrusion on polypropylene, and then carrying out compression shaping to obtain a hydrophobic non-woven fabric layer; 2, sequentially stacking the hydrophilic non-woven fabric layer, the antibacterial grid layer and the hydrophobic non-woven fabric layer from top to bottom, and performing needling curing to obtain the high-permeability composite non-woven fabric. The composite non-woven fabric has the beneficial effects that the structure of the composite non-woven fabric is designed, so that the hydrophilic performance of the hydrophilic non-woven fabric layer is improved, and the overall permeability of the material is effectively improved; meanwhile, the nano titanium oxide is modified, so that the antibacterial effect and the mechanical property of the material are improved.

The application relates to the field of chemical-proof fabrics, and particularly discloses a flame-retardant chemical-proof fabric and a preparation process thereof. The flame-retardant chemical-proof fabric comprises, from outside to inside, an outer layer, a bonding layer, a framework layer, a bonding layer and an inner layer which are sequentially contacted, the outer layer is a barrier layer, the inner layer is a barrier layer or an adsorption layer, the framework layer is selected from at least one of a composite fabric of aramid fiber / polyimide fiber, a basalt fiber cloth, a glass fiber cloth, a flame-retardant polyester cloth and a flame-retardant acrylic fiber cloth, the barrier layer is selected from at least one of a PVC / TPU composite film, a PVC film, a PTFE film, a PE film, silicone rubber, fluororubber, butyl rubber, chloroprene rubber and natural rubber, and the adsorption layer comprises a mixed fabric layer formed by nylon fiber and polyester fiber containing an adsorption material. The flame-retardant protective fabric has the advantages of high flame-retardant capacity, good chemical-proof effect, excellent puncture resistance and tensile resistance, can absorb moisture and sweat, and is comfortable to wear.

The invention relates to the technical field of fiber blending equipment, in particular to acrylic fiber blending equipment. The acrylic fiber blending equipment comprises a mounting assembly, a yarn outlet assembly, a yarn guide assembly, a humidifying and drawing assembly and a winding roller. The yarn guide assembly can be used for gradually gathering various fibers including acrylic fibers, uniform mixing of the various fibers is effectively achieved, the various fibers are pre-wetted and accurately wetted, it is ensured that the fibers keep proper humidity in the drawing process, static electricity and friction are reduced, the entanglement phenomenon is reduced, mixing uniformity is improved, and meanwhile, the yarn guide assembly is suitable for being used in the drawing process. A plurality of fibers before drawing can be effectively drawn, a certain tension can be kept, so that the phenomenon of uneven mixing caused by fiber entanglement is reduced, the inflow amount of humidifying airflow is dynamically adjusted according to the thickness and moisture requirements of the drawn fibers, it is ensured that the fibers are treated under the proper moisture degree, the situation that the performance of the fibers is affected by excessive moisture is avoided, and the quality of the drawn fibers is improved. And the binding force between different fibers is effectively improved.

The invention relates to the technical field of layered materials, and discloses an anti-pilling warm-keeping acrylic fabric and a preparation method thereof. The preparation method of the anti-pilling warm-keeping acrylic fabric comprises the following steps that acrylic fibers are pretreated through 1, 3-diamino-2-propyl alcohol, then silane modified phase change microcapsules are loaded, and modified acrylic fibers are obtained; blending the modified acrylic fibers and the cotton fibers into blended yarns, and knitting to obtain an inner-layer fabric and an outer-layer fabric; spinning and knitting the polyurethane heating and warm-keeping fibers to obtain a middle-layer fabric; fitting the inner-layer fabric, the middle-layer fabric and the outer-layer fabric to obtain a composite fabric; and dipping the composite fabric in the multifunctional finishing agent emulsion to obtain the anti-pilling warm-keeping acrylic fabric. The anti-pilling warm-keeping acrylic fabric disclosed by the invention has excellent washing resistance, anti-pilling performance, warm-keeping performance, moisture absorption performance and antistatic performance.

The invention relates to the technical field of dyes, and particularly discloses a pyrimidinyl acid ornamental blue reactive dye as well as a preparation method and application thereof. According to the invention, trichloropyrimidine is introduced into the ornamental blue structure as an active group, and the reactivity of the trichloropyrimidine is lower than that of an active group of a cyanuric chloride structure, so that the pyrimidine acid ornamental blue reactive dye is more stable and not easy to hydrolyze after being combined with cellulosic fibers, the acid-resistant and alkali-resistant stability of a dye-fiber covalent bond is better, and the dyeing performance is more excellent; in addition, water-soluble groups such as a sulfonic acid group and a carboxyl group are introduced, so that the water solubility of the pyrimidinic acid blue reactive dye is improved. Moreover, the pyrimidinyl acid ornamental blue reactive dye prepared by the invention has a good dyeing effect on chemical fibers such as acrylic fibers, spandex and the like and blend fiber fabrics thereof, the adaptability of ornamental blue is further improved, the dye is stable in dyeing, deep in coloring and good in color fixing effect, meanwhile, the acid and alkali resistance of the fabrics is improved, and the pyrimidinyl acid ornamental blue reactive dye has a wide application prospect.

The invention relates to the technical field of high-performance acrylic fibers, and discloses an anti-wrinkle and anti-pilling homewear fabric and a preparation method thereof. The preparation method of the anti-wrinkle and anti-pilling homewear fabric comprises the following steps: preparing lignin micro-nanospheres, and modifying the lignin micro-nanospheres to obtain surface modified lignin micro-nanospheres; after the surface-modified lignin micro-nanospheres are modified by a modifier, nano-silver is deposited on the surfaces of the surface-modified lignin micro-nanospheres to obtain antibacterial modified lignin micro-nanospheres; loading the antibacterial modified lignin micro-nanospheres on the surface modified acrylic fibers to obtain loaded modified acrylic fibers; blending and knitting the loaded modified acrylic fibers and cotton fibers to obtain base cloth; and padding and baking the base cloth in the polyurethane anti-wrinkle and anti-pilling finishing liquid to obtain the anti-wrinkle and anti-pilling homewear fabric. The anti-wrinkle and anti-pilling homewear fabric has the advantages of being skin-friendly, warm-keeping, moisture-absorbing, breathable, anti-pilling, anti-wrinkle, washable and durable in antibiosis.

The invention provides a moisture-absorbing and heating polar fleece fabric with high thermal insulation performance and a production process thereof, and relates to the technical field of garment fabrics. According to the moisture-absorbing and heat-emitting polar fleece fabric with the high heat preservation performance and the production technology of the moisture-absorbing and heat-emitting polar fleece fabric, blended yarn is composed of various functional fibers, and the functional fibers comprise, by weight, 25% of wool, 30% of self-heating acrylic fibers, 25% of lyocell fibers and 20% of nylon. According to the invention, the advantages of each fiber are fully played through the component design of the fixed-spinning yarn and the scientific proportion, the defect of a single fiber is overcome, secondly, the static control method effectively reduces the generation of static electricity through the synergistic effect of nylon and lyocell, and finally, the thermal insulation performance and the hand feeling of the fabric are remarkably improved through the application of the two-side napping polar fleece process.

The invention relates to the technical field of layered materials, and discloses a heat-storage and warm-keeping composite fabric and a preparation method thereof. The preparation method of the heat-storage and warm-keeping composite fabric comprises the following steps: preparing the modified acrylic fibers loaded with the modified phase-change microcapsules; the preparation method comprises the following steps: blending Cs0. 33WO3 nanoparticles and a PA6 / 66 copolymer, extruding, slicing, and carrying out melt spinning with the PA6 / 66 copolymer to obtain modified PA6 / 66 hollow fibers; preparing a polyurethane finishing liquid containing the modified nano carbon black and chitosan; preparing the modified acrylic fibers and the cotton fibers into an outer fabric; the modified PA6 / 66 hollow fiber is made into a middle layer fabric; fitting the inner-layer fabric, the middle-layer fabric and the outer-layer fabric to obtain a composite fabric; and finishing the composite fabric with a polyurethane finishing liquid to obtain the heat-storage and warm-keeping composite fabric. The heat-storage and warm-keeping composite fabric has excellent antistatic performance, heat-storage and warm-keeping performance, anti-pilling performance, moisture absorption and air permeability.

The utility model discloses an acrylic fiber fabric dyeing and melting device, and relates to the technical field of acrylic fiber fabrics. The device comprises a material melting barrel, a sealing top cover and a temperature treatment barrel, a first filter screen is clamped and fixed to the bottom in the material melting barrel, the sealing top cover is clamped and fixed to the top of the material melting barrel, a second filter screen is arranged at the bottom of the sealing top cover, a stirring motor is clamped and fixed to the top of the sealing top cover, and the temperature treatment barrel is clamped and fixed to the top of the sealing top cover. And a material passing barrel is clamped and fixed on the inner side of the temperature treatment barrel. By arranging the material dissolving barrel, the sealing top cover and the temperature processing barrel, the problems that in the material dissolving process of different dye raw materials, the operation mode and the requirement for water temperature are different, the device is difficult to control accurately, and in the stirring process of a solvent and the dye raw materials, due to the fact that the amount of the solvent is large, and the volume of the device is large, the device cannot be controlled accurately are solved. And the dye and the solvent are difficult to dissolve and mix uniformly.

The invention relates to the field of functional fabrics, in particular to an antistatic warm-keeping rabbit wool silk fabric. Which comprises a body, the body comprises a surface layer and a bottom layer connected with the surface layer, and is characterized in that the surface layer comprises 40-50% of regenerated cellulose fibers, 8-15% of spandex, 2-5% of rabbit wool and the balance acrylic fibers; the fiber content of the bottom layer is as follows: 22-30% of regenerated cellulose fiber, 3-5% of silk, 8-15% of spandex and the balance of acrylic fiber. The bottom layer containing silk and the surface layer containing rabbit wool are formed, so that the fabric has better antistatic property, heat preservation property and pilling resistance.

The invention relates to the field of sound insulation cotton, in particular to flame-retardant sound insulation cotton and a preparation method thereof. The flame-retardant sound insulation cotton is prepared from the following raw materials in parts by mass: 50 to 80 parts of polyether polyurethane, 10 to 20 parts of acrylic fiber, 1 to 5 parts of [3-(trimethoxysilyl) propyl] succinic anhydride, 5 to 15 parts of modified expanded vermiculite, 3 to 8 parts of binder, 2 to 5 parts of foaming agent, 0.5 to 3 parts of curing agent, 0.1 to 1 part of antioxidant and 0.1 to 0.5 part of initiator. According to the flame-retardant sound-insulation cotton, the sound insulation effect of the flame-retardant sound-insulation cotton is remarkably improved through multiple mechanisms of enhancing the damping performance of the material, improving reflection and scattering of sound waves, optimizing the porous structure, improving the mechanical property and stability, reducing the propagation speed of the sound waves and the like, and meanwhile the flame-retardant sound-insulation cotton has the excellent flame-retardant performance.

The utility model provides an aramid fiber washing device. The aramid fiber washing device comprises a washing tank, a petal roller, a porous roller and a godet, the petal roller comprises a roller center shaft and petal structural bodies arranged on the roller center shaft; the porous roller comprises an integrated circular roller structure, and a plurality of uniformly distributed circular holes are formed in a cylinder body of the circular roller; the roller central shaft and the shaft sleeve in the porous roller are mutually supported and connected; the petal roller and the porous roller are both immersed below the liquid level of the rinsing bath; the godet comprises an upper godet and a lower godet; the upper godet roller is arranged above the liquid level of the rinsing bath; and the lower godet roller is arranged below the liquid level of the rinsing bath. The aramid fiber washing device is good in cleaning effect on fiber tows, small in occupied area, low in operation cost and suitable for spinning and washing aramid fibers (including aramid fibers I, aramid fibers II and aramid fibers III), carbon fibers, acrylic fibers and other solutions.

The invention relates to the technical field of program control, in particular to a one-way filament feeding tension cooperative control system and method for acrylic filaments. The yarn feeding tension cooperative control of the acrylic filament in the molecular orientation stretching process through the multiple sets of rollers along the one-way path comprises the steps that first data of the key position of the one-way yarn feeding path and the running speed of the multiple sets of rollers are obtained; a dynamic feature control model is constructed to analyze the first data and the operation speed, and a preliminary control instruction is generated; compensating and adjusting the stretching predicted value according to the control deviation; the wire feeding process is adjusted according to the preliminary control instruction, and second data and a second running speed are obtained; a distributed cooperative control model is constructed to analyze the preliminary control instruction, and a control adjustment strategy is generated based on global tension distribution balance and key section tension gradient stability; and on the basis of low-delay information interaction, controlling a second operation speed according to the control adjustment strategy, and obtaining a globally optimized and coordinated speed control instruction.

The invention relates to the technical field of acrylic fiber preparation, and particularly discloses a high-strength antibacterial acrylic fiber and a preparation technology thereof.The high-strength antibacterial acrylic fiber is prepared from, by weight, 110-130 parts of modified polyacrylonitrile and 8-10 parts of antibacterial filler; the functional monomer and the antibacterial filler are added, the functional monomer contains rich active hydroxyl, a flexible long-chain alkane structure and a pyrimidine ring, not only can be chemically crosslinked with pretreated polyacrylonitrile, but also can generate hydrogen-bond interaction with the antibacterial filler, so that the overall crosslinking density of polyacrylonitrile is improved, the strength of the acrylic fiber is improved, and the antibacterial property of the acrylic fiber is improved. The hydrophilicity and the antibacterial property of the acrylic fiber are improved.

The invention relates to the field of textiles, and particularly discloses antistatic and anti-pilling double-sided flannelette and a preparation process. The antistatic and anti-pilling double-sided flannelette is composed of warp yarns, weft yarns and a suede fiber layer, the warp yarns and the weft yarns adopt the same multi-fiber blended yarns and consist of the following fibers in percentage by weight: 50%-60% of modified polyester fibers, 12%-18% of modal fibers, 18%-22% of anti-pilling polyester fibers and 8%-12% of tencel fibers; the suede fiber layer is formed by short fibers through a fuzzing process and is composed of the following fibers in percentage by weight: 46%-55% of cationic polyester, 27%-32% of conductive acrylic fibers and 18%-22% of bamboo fibers. The antistatic and anti-pilling double-sided flannelette has the advantages of durability, excellent antistatic property, excellent anti-pilling property, softness and comfort.

The utility model discloses flame-retardant furniture fabric which comprises a fabric body, the fabric body comprises double-layer fabric, the double-layer fabric is woven through double-layer weave, the double-layer weave comprises surface weave and inner weave, the surface weave and the inner weave are interwoven through binding weave to form the double-layer weave, the surface weave is used for weaving surface fabric of the double-layer fabric, and the inner weave is used for weaving surface fabric of the double-layer fabric. The surface layer fabric is formed by weaving one or more than two of polypropylene fiber, terylene and acrylic fiber in a mixed mode, the inner weave is used for weaving an inner layer fabric of the double-layer fabric, the inner layer fabric is formed by weaving polypropylene fiber flame-retardant yarn and pre-oxidized fiber flame-retardant yarn, the fabric body adopts the double-layer fabric, the inner layer fabric is formed by weaving polypropylene fiber flame-retardant yarn and pre-oxidized fiber flame-retardant yarn, and the fabric body adopts the double-layer fabric. The double-layer fabric has flame retardance, the flame retardance of the furniture fabric is improved, the surface-layer fabric is formed by weaving one or more than two of polypropylene fibers, polyester fibers and acrylic fibers in a mixed mode, the surface-layer fabric has skin-friendly performance, and better comfort can be brought to a human body.

The invention belongs to the field of fiber materials, and provides a hollow acrylic fabric with thermal insulation performance and a preparation process thereof. The composite design of an acrylonitrile-based copolymer shell layer and an inner cavity silicon dioxide aerogel layer is adopted, a boric acid ester cross-linked network is formed through borax bath treatment to lock a three-dimensional crimp structure, and a hydrophobic modified silicon dioxide aerogel layer with the thickness of 50-200 nm is constructed in a fiber inner cavity; the mechanical-structural synergy that the single-fiber breaking strength is not lower than 3.5 cN / dtex under the condition that the hollowness degree is 30%-45% and the fiber dry-state crimp number is not smaller than 12 / 25 mm is achieved, the thermal resistance of the fabric reaches 0.065 m.K / W to 0.075 m.K / W, the air permeability is kept at 150 mm / s to 250 mm / s, and the fabric has the advantages of being good in air permeability, good in air permeability and the like. The contradiction between mechanical bearing and hollow structure design under the high-solid-content wet spinning fine denier condition, the contradiction between structural stability and fatigue durability of boric acid ester cross-linked three-dimensional curl after multiple times of water washing and the contradiction between low gram weight and high thermal resistance and the heat transfer mechanism of breathable comfort are solved, and the wide warm-keeping garment application value is achieved.

The present application relates to the technical field of ultra-fine denier fiber spinning, and particularly relates to an ultra-fine denier acrylic high-count pure spinning yarn and a preparation method thereof, comprising (1) a picking process; (2) a doubling process; (3) a roving process; (4) a spinning process; and (5) a winding process; wherein the picking process is sequentially performed in a disc grabber, a multi-warehouse cotton mixer, an opening and cleaning machine, a cotton box and a carding machine, and a spraying device is additionally installed at the rear of the beater of the disc grabber; and the opening and cleaning machine adopts a carding needle type beater. The present application improves the picking process in the preparation method of the ultra-fine denier acrylic high-count pure spinning yarn, reduces the static electricity accumulation of the ultra-fine denier acrylic high-count pure spinning yarn in the spinning process, avoids the fiber damage of the ultra-fine denier acrylic fiber caused by single strength, and improves the spinnability of the ultra-fine denier acrylic fiber.

The utility model discloses a self-heating sneaker, which relates to the technical field of sneakers and comprises a sneaker body and an inner cavity, a sole is connected below the sneaker body, a toe cap is arranged at one end of the sole, and a heel is arranged at the other end of the sole. According to the self-heating sports shoes, the first heating plush made of far infrared radiation acrylic fibers can keep the feet warm, the far infrared radiation acrylic fibers are made of materials obtained by adding far infrared radiation ceramic particles into acrylic fibers, heat of the human body and heat of the surrounding environment can be absorbed to keep the feet warm, the temperature is moderate, and the health care effect is good. Meanwhile, the heat of the first heating plush can be transferred into the second heating plush through the interlayer, double-layer heat preservation is provided, then the contact face between the first heating plush and the surrounding environment and the contact face between the second heating plush and the surrounding environment are improved through the breathable layer, the breathability is improved, stuffy sweat is not prone to occurring, and the comfort and the heat preservation performance of the sports shoes are improved.

The invention relates to the technical field of fibers, and discloses a high-breathability antibacterial functional composite fabric and a preparation method thereof. The preparation method comprises the following steps: loading copper nanoparticles on nano zinc oxide by an in-situ reduction method to obtain an inorganic antibacterial agent, uniformly mixing the inorganic antibacterial agent and an organic antibacterial agent 1-chloro-2, 2, 5, 5-tetramethyl-4-imidazolinone with polyacrylonitrile to obtain a spinning solution, and carrying out electrostatic spinning on the surface of an acrylic fabric to obtain the antibacterial fabric. The obtained composite fabric has high air permeability and excellent antibacterial property.

The application discloses a multi-stage stretching and heat setting acrylic filament preparation equipment and process, which comprises a multi-stage stretching structure, the multi-stage stretching structure is connected with a waste liquid treatment structure and is used for treating and recycling the waste liquid, a heat setting structure is installed on the upper side of the multi-stage stretching structure and is used for heat setting treatment of the acrylic filament, a heat energy recovery treatment assembly is connected with the heat setting structure and the waste liquid treatment structure and is used for recycling and reprocessing high-temperature heat energy, the multi-stage stretching structure comprises a bottom box, a first pretreatment assembly, a wet heat stretching assembly, a heat roller stretching assembly and an air cooling assembly are installed on the upper side of the bottom box, the wet heat stretching assembly is arranged on the right side of the first pretreatment assembly, the heat roller stretching assembly is arranged on the right side of the wet heat stretching assembly, and the air cooling assembly is arranged on the right side of the heat roller stretching assembly, the multi-stage stretching and heat setting acrylic filament preparation equipment and process are treated through multi-stage filtration, so that the waste water treatment effect is ensured, the treated waste water is stored in a liquid storage tank and is recycled finally.

The invention discloses a cool fabric and a preparation method thereof, and belongs to the technical field of fabrics, the key point of the technical scheme is that the cool fabric comprises cotton fibers and cool spinning fibers adsorbed on the cotton fibers under negative pressure, the cool spinning fibers are mainly composed of mica powder and acrylic fibers, and the preparation method of the cool fabric is characterized in that the cool spinning fibers are prepared from the mica powder and the acrylic fibers. Comprising the following preparation steps: S1, carrying out electrostatic spinning on a cool spinning solution, and stretching to form superfine fibers; s2, adsorbing the superfine fibers on the surfaces of the cotton fibers in a negative pressure adsorption manner to form nano inlaid spinning card slivers; s3, the nanometer inlaid spinning card slivers are sequentially subjected to blowing, cotton carding, drawing, roving and spinning procedures to form cool-feeling yarns, spinning liquid containing cool-feeling components is adsorbed to common cotton fibers through negative pressure, the nanometer inlaid spinning card slivers are formed, the cool-feeling effect of the fabric is guaranteed, and meanwhile it is guaranteed that the fabric has good air permeability.

The utility model discloses a double-layer knitted fabric with one thick side and one thin side, which is knitted by a double-layer loom, comprises a front side and a back side, and is characterized in that the double-layer knitted fabric takes four paths as a cycle, the first path and the second path are lower single edges, the third path is tucking, the fourth path is an upper single edge, a lower dial of the double-layer loom uses 28 needle pitches, and the upper dial of the double-layer loom is provided with an upper single edge and a lower single edge. The upper dial adopts a 14G coarse stitch length; the front surface of the double-layer knitted fabric is subjected to first and second cross-weaving, and the cross-weaving yarns are 50S / 1 siro spinning acrylic viscose yarns; the back side of the double-layer knitted fabric is subjected to fourth-path penetrating weaving, and the penetrating weaving yarn is 26S compact spinning pure cotton yarn; the front face and the back face of the double-layer knitted fabric are woven together in a third way. The front side of the double-layer knitted fabric has the rough, stiff, smooth and fashionable sense of clothes worn outside, and the back side of the double-layer knitted fabric has the fitting, fine, smooth, comfortable and warm-keeping effects of underwear, so that the double-layer knitted fabric has the effects of two different fabrics at the same time.

The invention discloses a preparation method of a fiber material, the fiber material and application, and belongs to the technical field of uranium extraction materials.The preparation method comprises the steps that firstly, polyguanidine is grafted to acrylic fibers through a hydrothermal method, then zwitterionic monomers with double bonds are functionalized to the surfaces of the acrylic fibers through a tert-butyl hydroperoxide surface grafting polymerization method, and the fiber material is obtained. And finally, carrying out amidoximation in a weakly alkaline hydroxylamine solution, washing and drying to obtain the double-effect anti-pollution high-efficiency uranium extraction fiber material. The fiber material is prepared by the preparation method. The fiber material is used for extracting uranium from a water body. The fiber material prepared by the invention has active and passive double-effect anti-fouling performance (namely antibacterial and anti-adhesion), and is high in adsorption rate and adsorption capacity, meanwhile, the preparation method is simple, convenient and efficient, large-scale production is easy, and the fiber material has a good market prospect in the field of extraction of uranium from seawater as a novel and efficient uranyl ion adsorption material.