CN110468484B - Environment-friendly fabric and processing method thereof - Google Patents

Environment-friendly fabric and processing method thereof Download PDF

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Publication number
CN110468484B
CN110468484B CN201910709309.0A CN201910709309A CN110468484B CN 110468484 B CN110468484 B CN 110468484B CN 201910709309 A CN201910709309 A CN 201910709309A CN 110468484 B CN110468484 B CN 110468484B
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environment
friendly
fabric
layer
temperature
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CN110468484A (en
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谭托
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Fujian Baikai Warp Knitting Industrial Co ltd
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Fujian Baikai Warp Knitting Industrial Co ltd
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

Abstract

The invention relates to an environment-friendly fabric and a processing method thereof, and is characterized in that the LOI of the environment-friendly fabric is 31-33%, the residual carbon content of the environment-friendly fabric is more than 10% after the environment-friendly fabric is calcined at a high temperature of 600 ℃ for 15min, and the UL-94 of the environment-friendly fabric is V-0 grade. The invention uses the regenerated polyester fiber as the raw material, and endows the fabric with excellent reproducibility and environmental protection characteristics.

Description

Environment-friendly fabric and processing method thereof
Technical Field
The invention relates to the technical field of fabric production, in particular to an environment-friendly fabric and a processing method thereof.
Background
Chinese patent publication No. CN109972262A relates to a production method of an antibacterial environment-friendly fabric, which comprises the following steps: (1) dyeing wool; (2) blowing and then combing; (3) adding radiation-proof spinning yarns into the mixture through a spinning process after the step (2) to prepare wool yarns; (4) mixing the wool yarns and the stainless steel microfilaments through a weaving process and weaving the mixture into stainless steel microfilament yarns; (5) dyeing the stainless steel micro-filament yarn again and then interweaving warp and weft; obtaining the antibacterial environment-friendly fabric through a finishing process after the step (6); the finishing process comprises the following steps: A. singeing; B. enzyme desizing; C. washing with water; D. drying; E. tentering; F. pre-shrinking; G. inspecting cloth, rolling, shaping, inspecting the textile fabric, and rolling by a rolling inspection combination machine. The process is simple and easy to operate. The textile fabric finishing process adopts a pure physical finishing process, completely does not need chemical substance treatment, reduces pollution and is an environment-friendly finishing process.
Chinese patent publication No. CN109605856A relates to an antistatic environment-friendly fabric and a preparation method thereof, comprising a base cloth layer, a fireproof layer, an antistatic layer, a waterproof layer, a health-care layer and a breathable layer, wherein the top of the base cloth layer is connected with the antistatic layer through environment-friendly acrylic acid glue, the top of the antistatic layer is connected with the fireproof layer through environment-friendly acrylic acid glue, the bottom of the base cloth layer is connected with the waterproof layer through environment-friendly acrylic acid glue, and the bottom of the waterproof layer is connected with the health-care layer through environment-friendly acrylic acid glue. The antistatic layer has been connected through environment-friendly acrylic acid glue at the top on base cloth layer, can effectively improve the antistatic performance of this surface fabric, has connected the flame retardant coating through environment-friendly acrylic acid glue at the top of antistatic layer simultaneously, can avoid under high temperature environment, and the antistatic layer receives the damage to influence the antistatic effect of surface fabric, make this surface fabric when possessing antistatic capacity, also have high temperature resistance ability.
Chinese patent publication No. CN109457464A relates to a production process of an environment-friendly sweat-absorbing and moisture-removing fabric, which comprises the following steps: s1, weaving grey cloth: the warp yarns adopt biomass graphene nylon fibers, and the weft yarns adopt superfine denier polypropylene fibers; s2, singeing the grey cloth; s3, mercerizing grey cloth; s4, liquid ammonia finishing; s5, dyeing grey cloth; and S6, drying and shaping. The components of the superfine polypropylene fiber are carbon and hydrogen, the two elements have affinity to the skin of people, no anaphylactic reaction is caused, the superfine polypropylene fiber can be decomposed and returned to nature under the action of illumination, toxic gas is not released like other synthetic fibers during combustion, the environment is not polluted, and the superfine polypropylene fiber is a green ecological environment-friendly fabric in the true sense. The biomass graphene fiber is naturally degradable by taking porous cellulose generated in the refining process of straw biomaterials such as corncobs and the like as a raw material, has a graphene two-dimensional lamellar structure, has multiple micropores between fabrics, is favorable for water vapor diffusion, and achieves the effects of absorbing sweat and removing dampness.
Chinese patent publication No. CN109419066A relates to green environmental protection antibiotic sportswear, which comprises a clothing body, and is characterized in that: the garment body sequentially comprises an environment-friendly fabric layer and an antibacterial layer from outside to inside, the environment-friendly fabric layer is formed by mutually weaving first warps and first wefts, the first warps are formed by blending hemp fibers, milk fibers and spun silk fibers, the first wefts are formed by blending soybean fibers and lyocell fibers, the antibacterial layer is formed by mutually weaving second warps and second wefts, the second warps are formed by blending the lyocell fibers and the lyocell fibers, and the second wefts are formed by blending mint fibers and high-molecular bamboo charcoal fibers. The effects of environmental protection and bacteriostasis of the sports wear are realized.
Chinese patent publication No. CN108977932A relates to a processing technology of a novel fabric: (1) modified fiber: preparing a mixed spinning solvent: mixing DCM and DMF according to the volume ratio of 5: 3; preparing chitin and tea polyphenol according to the weight ratio of 2:0.5 to form a mixture; dissolving the mixture in the mixed spinning solvent, magnetically stirring at room temperature for 3h, cooling to 6-8 deg.C for 10-30min, recovering to room temperature, stirring for 10-15h, and standing; (2) and (4) electrostatic spinning. The novel environment-friendly fabric with matte texture and excellent antibacterial effect is obtained, the defect that the antibacterial performance in a caustic soda solution is greatly reduced is overcome, and pretreatment can be performed more freely after cotton blending, so that the novel environment-friendly fabric has a wide market prospect.
Chinese patent publication No. CN108866862A relates to a high-elasticity environment-friendly fabric printing and dyeing system and a process thereof, and the equipment comprises a dye box, wherein a dye liquor guide mechanism is arranged in the dye box, a liquor outlet is arranged at the tail end of the dye liquor guide mechanism, and a first extrusion mechanism, a power mechanism and a second extrusion mechanism are arranged in the dye liquor guide mechanism from front to back; the first extruding mechanism and the second extruding mechanism are driven by the power mechanism to alternately lift and extrude the dye liquor in the dye liquor guiding mechanism, and the dye liquor flows out of the dye liquor outlet to wash the fabric; a grinding mechanism is arranged between the first extrusion mechanism and the second extrusion mechanism, the grinding mechanism comprises a lower grinding assembly, an upper grinding assembly and a driving assembly, coarse-grained dye is deposited on the lower grinding assembly, the first extrusion mechanism drives the upper grinding assembly to move downwards to the lower grinding assembly and drives the driving assembly to move downwards so that the upper grinding assembly grinds the coarse-grained dye on the lower grinding assembly; the problems that the dyeing of the fabric is poor, the dyed fabric is easy to be attached with impurities, the dye is poor in uniformity and is layered up and down, and the dye utilization rate is low are solved.
Chinese patent publication No. CN108754773A is a low-carbon environment-friendly fabric, the warp of the fabric is made of alginate fiber, the weft is made of cotton fiber, wherein the diameter of the alginate fiber is 26.3 μm, the fineness of the alginate fiber is 197.4dtex, the diameter of the cotton fiber is 13.2 μm, the fineness of the cotton fiber is 87.2dtex, the warp density is 17.2 pieces/cm, and the weft density is 39.5 pieces/cm. The fabric made of the fabric seaweed carbon fiber has double effects of heat preservation and health care, is suitable for clothes such as T-shirts, underwear and the like, can generate thermal reaction by human body molecular friction after being worn for a long time, promotes blood circulation of a body, and has the effects of heat storage and heat preservation. Socks woven by the seaweed carbon fibers have the effects of heat preservation, antibiosis and deodorization. As the raw materials are natural seaweed, the fiber has special functions of good biocompatibility, degradability, absorbability, biocompatibility and the like, and is a low-carbon environment-friendly fabric.
Chinese patent publication No. CN108642648A relates to a high shape-retaining health-care environmental-protection fabric and a preparation method thereof, which is prepared by warping and weaving processes by using 56% of mixed plied yarns as warp yarns and 44% of spun silk plied yarns as weft yarns by mass percentage of the fabric; the mixed folded yarn is prepared by adopting 40% of mixed core spun yarn and 16% of real silk by mass percent of fabric through the working procedures of doubling, double twisting and yarn steaming in the wool spinning process; the mixed core spun yarn consists of 20 mass percent of mercerized wool fiber, 25 mass percent of aloe fiber, 25 mass percent of soft silk fiber and 30 mass percent of long stapled cotton fiber, wherein the long stapled cotton fiber is the core yarn of the mixed core spun yarn. According to the textile fabric and the production method thereof, aloe, soft silk, cotton, wool and the like with an environment-friendly and health-care function are selected as raw materials, are twisted with real silk, and are interwoven with the real silk, so that a series of high-shape-preserving, health-care and environment-friendly fabrics which are novel in pattern, unique in style, moisture-absorbing, breathable and skin-protective are developed.
Chinese patent publication No. CN108642675A relates to an environmental protection surface fabric, which is characterized in that: the fabric is a pure natural environment-friendly fabric, the fabric is formed by interweaving face yarns and bottom yarns, the bottom yarns are mulberry silk fibers, and the face yarns comprise the following components in parts by weight: the pearl fiber-corn fiber-milk composite fiber is formed by mixing and spinning corn fiber, pearl fiber and milk fiber, wherein the volume percentage of the three fibers is 35 percent, 35 percent and 30 percent. Compared with the prior art, the fabric is green and environment-friendly, has good skin-friendly performance and lasting antibacterial effect, has a good skin-care effect on human bodies, and is worthy of popularization.
Chinese patent publication No. CN108532328A relates to a preparation process of a skin-tendering environment-friendly fabric, which comprises the following steps: s1 cloth distribution; s2 cold batch: firstly, heating water to 26-29 ℃, adding a chelating agent at a constant speed within 5-10 min for reacting for 15-20 min, then adding tea saponin at a constant speed within 20-29 min for reacting for 45-60 min, then adding a deoiling agent within 5-10 min for reacting for 5-8 min, and stacking for 24-26 h; s3 continuous unwinding of the loose rolls; s4, cylinder retreating: after unwinding, cooling to 26-29 ℃, adding a swelling agent at a constant speed within 5-10 min for reaction for 3-5 min, then adding tea saponin at a constant speed within 20-29 min for reaction for 60-90 min, heating to 110-120 ℃, and preserving heat for 45-60 min; s5 dyeing; s6 reduction washing; and S7 preparing a finished product. The application has the advantages of environmental protection, low energy, low cost and high efficiency.
Chinese patent publication No. CN108515739A relates to a novel nano self-cleaning environment-friendly fabric, which comprises a cleaning fabric body, wherein a plurality of strip-shaped convex parts are arranged on the inner side of the cleaning fabric body, the strip-shaped convex parts are distributed in a bilateral symmetry manner and are uniform in size, a plurality of circular convex rings are arranged on the inner sides of the strip-shaped convex parts, the circular convex rings are vertically and equidistantly distributed, air permeable parts are symmetrically arranged on the left side and the right side of the cleaning fabric body, and a plurality of air vents are uniformly distributed on the air permeable parts; the clean fabric body comprises a nano clean composite layer, a bamboo fiber layer, an anti-static layer, a warm-keeping inner layer and a carbon fiber layer, wherein the bottom of the nano clean composite layer is connected with the bamboo fiber layer, and the bottom of the bamboo fiber layer is connected with the anti-static layer. The whole functionality that has improved clean surface fabric body of this kind of equipment makes it possess antistatic, adsorbed impurity, cold-proof and self-cleaning function, simple structure, and the functionality is stronger.
Chinese patent publication No. CN108185542A relates to a high-efficient isolated ultraviolet swimsuit of environmental protection surface fabric, including waist and chest, waist seam connects in the both sides of chest, open at four corners of chest has the opening, the thin layer has been laid in the outside of waist and chest, the elastic layer is laid at the middle part of waist, the skin touch layer has been laid to the inboard of waist and chest, anti ultraviolet layer and elastic layer have been laid at the middle part of chest, open-ended middle part scarf joint has the bandage, it has the light cushion of preventing walking to have inlayed between elastic layer in the chest and the skin touch layer. The application has reasonable design and convenient use, has good ultraviolet resistance due to the ultraviolet-resistant fiber, has good elasticity and resilience due to the high-elastic spandex fiber, and simultaneously has good wearing comfort. The production process is simple, the garment can be produced by using common garment production equipment, and the added value of the swimsuit is favorably improved.
Chinese patent publication No. CN108070941A relates to a preparation method of a high-strength antibacterial environment-friendly fabric, which is blended by the following raw materials in parts by weight: wherein 45% of the superfine denier polypropylene fiber, 35% of the cotton fiber, 10% of the chitosan fiber, 5% of the silver fiber and 5% of the soybean protein fiber are blended to obtain warp; blending 55% of calamine fiber, 35% of bamboo fiber and 10% of milk protein fiber according to the weight ratio to obtain weft; the high-strength antibacterial environment-friendly fabric provided by the application has the advantages that the product is good in antibacterial performance, the skin is protected, the moisture absorption and air permeability are strong, the antibacterial effect of the fabric is further improved by adopting the antibacterial finishing liquid, and the dyeing process adopts an all-natural plant dyeing agent, so that the fabric is uniform in dyeing, free of color loss, simple in process and firm in color after color fixation; the application provides a whole process of surface fabric all adopts natural material to go on, and the environmental protection is with low costs, and surface fabric functional design is novel, and the surface fabric grade is high, and the product comfort level is good, and the added value is high.
Chinese patent publication No. CN108049022A relates to a production method of a novel environment-friendly fabric: (1) modification of chitin fiber: preparing a mixed spinning solvent: mixing DCM and DMF according to the volume ratio of 8: 2; according to the weight ratio of 1:0.3: 0.02-0.05: 0.02 preparing chitin, tea polyphenol, soap fuguol and stachyose to form a mixture; dissolving the mixture in the mixed spinning solvent, magnetically stirring at room temperature for 3h, cooling to 0-5 deg.C for 30-50min, recovering to room temperature, stirring for 6-8h, and standing; (2) and (4) electrostatic spinning. The novel environment-friendly fabric with the matte texture and the excellent antibacterial effect is obtained, the defect that the antibacterial performance in a caustic soda solution is greatly reduced is overcome, and pretreatment can be performed more freely after cotton blending, so that the novel environment-friendly fabric has a wide market prospect.
Chinese patent publication No. CN107805868A relates to a Lyocell filament green environment-friendly fabric and a preparation method thereof, wherein the warp yarns and the weft yarns of the Lyocell filament green environment-friendly fabric are all 75D-150D Lyocell filaments, and the warp yarns and the weft yarns are interwoven with each other through a weaving machine to prepare a Lyocell filament woven fabric. The preparation method comprises the following steps: (1) selecting raw materials; (2) warping in batches; (3) sizing silk; (5) assembling the shaft; (6) leasing; (7) drawing-in; (8) and (5) weaving on a loom. Compared with the prior art, the fabric prepared by the method disclosed by the application is soft and smooth in touch, elegant in gloss, not prone to fluffing and pilling, good in fastness and capable of adjusting skin humidity and cool feeling. And the spinning process is omitted, the preparation cost is low, the efficiency is high, and the energy-saving and consumption-reducing effects are remarkable.
Chinese patent publication No. CN107538793A relates to an antibacterial and mildewproof environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence downwards. The waterproof layer lower surface is compound has the lining layer, the lining layer is including compound PU membrane surface course, flax fiber core layer and ramie bottom layer in proper order. The application is antibacterial and mildewproof.
Chinese patent publication No. CN107538801A relates to an environment-friendly fabric with rich functions, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence downwards. The lower surface of the waterproof layer is compounded with a lining layer, the lining layer comprises a lining layer body woven by warps and wefts, the warps and the wefts are interwoven into a three-up three-down plain structure, the upper surface of the lining layer body is provided with a jacquard layer, the upper surface of the jacquard layer is provided with a patch layer, the patch layer is provided with a plurality of patches, and the patches are mutually lapped; the lower surface of backing layer body is equipped with ventilative layer, and the lower surface on ventilative layer is equipped with the flame retardant coating, and the lower surface of flame retardant coating is equipped with the photocatalyst coating. The application has rich functions.
Chinese patent publication No. CN107538820A relates to an environment-friendly fabric with good elasticity, high color and luster degree, light and thin cloth, comprising an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence downwards. The waterproof layer is compounded with a lining layer on the lower surface of the waterproof layer, the lining layer comprises a base cloth layer, the base cloth layer is provided with a first surface and a second surface, at least one surface of the first surface and the second surface of the base cloth layer is provided with a waterproof coating, the weave structure of the base cloth layer is a heavy weft structure and is formed by interweaving a group of warp yarns and a group of weft yarns, the warp yarns are 150D polyester/viscose yarns, and the weft yarns are R3.5N polyester/viscose yarns +300D polyester/viscose interlaced yarns. The elastic fabric is good in elasticity, high in color and luster degree and light and thin in cloth quality.
Chinese patent publication No. CN107538822A relates to a dry, comfortable, odorless and environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence downwards. Waterproof layer lower surface complex has the lining layer, it includes the lining layer body, the lining layer body is interweaved by warp and weft and forms, has set up many covering yarns in warp and the weft, the surface of lining layer body is equipped with a plurality of arch, covering yarn includes inner core and cladding in the outside top layer of inner core. The application is dry and free of peculiar smell.
Chinese patent publication No. CN107538825A relates to a good expansion and contraction force environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is downwards and sequentially provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7). The waterproof layer is characterized in that a lining layer is compounded on the lower surface of the waterproof layer, the lining layer is formed by sequentially serially sleeving 150D/48F plain stitch, 32ST/A terry loop with elongated sinker loop and 150D/96F terry loop through a weft knitting weaving method, and a layer of warm-keeping agent is attached to the double-color lining layer. The application has good expansion and contraction force.
Chinese patent publication No. CN107538828A relates to a fire-retardant, level-distinct environmental protection surface fabric, including environmental protection surface fabric body (1), the upper surface of environmental protection surface fabric body is provided with longitudinal arrangement's fretwork jacquard layer (2), and the lower surface of environmental protection surface fabric body (1) has set gradually antistatic layer (5), flame retardant coating (6) and waterproof layer (7) downwards. The waterproof layer is characterized in that the lower surface of the waterproof layer is compounded with a lining layer, the lining layer comprises a base cloth layer, the base cloth layer is provided with a first surface and a second surface, at least one surface of the first surface and the second surface of the base cloth layer is provided with a flame-retardant coating, an adhesive layer used for bonding the base cloth layer and the flame-retardant coating together is further arranged between the base cloth layer and the flame-retardant coating, and the base cloth layer is formed by interweaving single-strand warp yarns and double-strand weft yarns.
Chinese patent publication No. CN107287731A relates to a health-care environment-friendly fabric which is formed by mutually weaving warps and wefts, wherein the warps are formed by blending mint fibers, Modal fibers and bamboo fibers, the wefts are formed by blending Modal fibers and mint fibers, the blending ratio of the mint fibers to the Modal fibers to the bamboo fibers in the warps is 1:2:2, and the blending ratio of the Modal fibers to the mint fibers in the wefts is 3: 2. The health-care environment-friendly fabric disclosed by the application has the advantages of smoothness, coolness, static resistance, ultraviolet resistance, antibiosis, wear resistance, degradability and the like, and has the health-care effects of refreshing, striking, cooling, diminishing inflammation, beautifying skin and the like.
Chinese patent publication No. CN107217494A relates to a discoid flower flocking environmental protection fabric, which comprises a fabric body, the fabric body is netted, the upper surface of the fabric body is provided with a discoid flower layer, the lower surface is provided with a flocking layer, the discoid flower layer is provided with discoid flowers, the flocking layer is provided with flocking flowers, the fabric body is made of a fabric, the fabric comprises a pure wool tissue layer and a wool tencel mixed yarn tissue layer, the wool tencel mixed yarn tissue layer and the pure wool tissue layer respectively form an inner layer and an outer layer of the fabric, and the wool tencel mixed yarn tissue layer and the pure wool tissue layer are locally connected. The raised disc flowers and the velvet flowers enhance the layering of the disc flower flocking environment-friendly fabric, and the fabric is soft and comfortable in hand feeling. This application is not only environmental protection, can not harm wool to some extent again.
Chinese patent publication No. CN107139547A relates to a positive and negative crisscross jacquard fabric, which comprises a base fabric, wherein both the positive and negative surfaces of the base fabric are provided with jacquard layers, the jacquard layers comprise a plurality of jacquard regions and non-jacquard regions, the jacquard regions and the non-jacquard regions are both blocky and in staggered arrangement, the base fabric is made of a fabric, the fabric comprises a pure wool tissue layer and a wool tencel mixed yarn tissue layer, the wool tencel mixed yarn tissue layer and the pure wool tissue layer respectively constitute an inner layer and an outer layer of the fabric, and the wool tencel mixed yarn tissue layer and the pure wool tissue layer are locally connected. The jacquard areas and the non-jacquard areas which are distributed in a staggered manner are arranged on the front side and the back side of the front-back staggered jacquard environment-friendly fabric, so that the layering sense of the fabric is enhanced. This application is not only environmental protection, can not harm wool to some extent again.
Chinese patent publication No. CN106676735A relates to a production process of colorful, high-elastic and environment-friendly fabric, the fabric is woven by 4-6 150-200D/144F network space-dyed polyester yarns on a 30-inch, 8-12G thick-stitch towel single-side machine, and the production process of the fabric is as follows: weaving → slitting → pre-shaping → napping → shearing → shaping of finished product; the production process of the colorful high-elastic environment-friendly fabric does not have the step of dyeing the fabric, so that the emission of pollutants can be greatly reduced, and the aims of energy conservation and environment protection are fulfilled; the fabric produced by the production process has the properties of being colorful, high-elasticity, moisture-absorbing, sweat-releasing, stiff and crease-resisting, and the color fastness of the fabric can reach the 3-4 level of the American standard requirement.
Chinese patent publication No. CN106515099A is an environment-friendly fabric with formaldehyde catalyzing function, which is characterized in that: the water repellent layer, the functional layer and the isolation layer; the functional layer is positioned between the hydrophobic layer and the isolating layer; the hydrophobic layer is a waterproof breathable film layer; the functional layer is formed by uniformly and alternately interweaving first fibers and second fibers. The light shading and heat insulating composite board has the advantages of being strong in light shading capability, good in environment protection degree, strong in durability, waterproof, good in air permeability and good in heat insulating property.
Chinese patent publication No. CN106418835A is a jacquard fluff strip environment-friendly fabric, which comprises a fabric body (1), wherein the upper surface of the fabric body (1) is provided with jacquard strips (2) and fluff strips (3), the lower surface of the fabric body is provided with a fluff layer (4), the jacquard strips (2) and the fluff strips (3) are arranged at intervals, the upper surface of the fluff strips (3) is provided with decorations (5), the fabric body (1) is made of a fabric, the fabric comprises a pure wool tissue layer and a wool tencel mixed yarn tissue layer, the wool tencel mixed yarn tissue layer and the pure wool respectively form an inner layer and an outer layer of the fabric, and the wool tencel mixed yarn tissue layer and the pure wool tissue layer are locally connected. The raised fluff strips, the jacquard strips and the fluff layer enhance the layering of the environment-friendly jacquard fluff strip fabric, and meanwhile, the ornaments are decorated to highlight the individuality.
Chinese patent publication No. CN106360857A is an environment-friendly fabric for men's leisure clothes, belonging to the technical field of textile technology. It is made up by using fibre yarns of soft silk, kapok, wool and RTT according to a certain weight ratio through the processes of spinning, weaving, dyeing and finishing. The wool fabric is characterized in that the weight ratio of the soft silk to the cotton fabric is 50-60%, the weight ratio of the cotton fabric to the cotton fabric is 10-20%, the weight ratio of the wool to the wool is 5-10%, and the weight ratio of the RTT is 15-30%; the weight of the woven finished product is 130-350 g per square meter. The novel multifunctional shoe has the advantages of stable shape sensing size, good memory effect, comfort in wearing, skin friendliness and skin nourishing, and the like, and brings people a feeling of being in a forest.
Chinese patent publication No. CN106333408A a wool top environmental protection surface fabric with ventilative precoat, it includes surface fabric body (1), and the upper surface of surface fabric body (1) is equipped with tapetum (2), and the lower surface is equipped with jacquard layer (4), be equipped with fluff strip (3) on tapetum (2), jacquard layer (4) are fixed at the lower surface of surface fabric body (1), surface fabric body (1) is made by the fabric, the fabric includes pure wool tissue layer and wool tencel mixed yarn tissue layer, and wool tencel mixed yarn tissue layer and pure wool tissue layer constitute the nexine and the skin of fabric respectively, pass through local connection between wool tencel mixed yarn tissue layer and the pure wool tissue layer. This application soft comfortable feel.
Chinese patent publication No. CN106113657A is a waterproof, environment-friendly fabric with good air permeability, comprising an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a hollow jacquard layer (2) arranged longitudinally, and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence downwards. The waterproof layer is compounded with a lining layer on the lower surface, and a fluorine monomer water-based polyurethane coating layer is coated on the surface of the lining layer.
Chinese patent publication No. CN106113746A is a fine and soft environment-friendly fabric with a drape effect, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is downwards provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence. The waterproof layer is characterized in that a lining layer is compounded on the lower surface of the waterproof layer, the lining layer is formed by interweaving a first warp yarn, a second warp yarn and weft yarns, the first warp yarn is 75D polyester-cotton composite yarn, the second warp yarn is fibrilia, the weft yarns are 32S cotton, and the first warp yarn and the second warp yarn are alternately arranged. The application is fine and soft and has a draping feeling.
Chinese patent publication No. CN106113757A is a good-use-performance environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollow jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is downwards sequentially provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7). The waterproof layer is characterized in that a lining layer is compounded on the lower surface of the waterproof layer, the lining layer is woven by weft threads, the warp threads and the weft threads are respectively made of kapok fibers and ramie fibers, the diameter of the kapok fibers is 4.16 mu m, the diameter of the ramie fibers is 18.32 mu m, the warp density is 16.9 pieces/cm, and the weft density is 26.7 pieces/cm. The application has good use performance.
Chinese patent publication No. CN106113755A is an elegant, non-deformation, environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence. The waterproof layer lower surface is compounded with the lining layer, the lining layer is formed by compounding a velvet layer, a sponge layer and a base cloth layer from top to bottom in sequence.
Chinese patent publication No. CN106079602A is a dry comfortable environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollow jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is downwards provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence. The waterproof layer lower surface is compounded with the lining layer, the lining layer includes the pure cotton backing layer, bamboo charcoal fiber backing layer, soybean fiber/pure cotton fiber blending backing layer that compound in proper order. The application is dry and comfortable.
Chinese patent publication No. CN106079646A is an environmental protection surface fabric with far infrared radiation function, including environmental protection surface fabric body (1), the upper surface of environmental protection surface fabric body is provided with longitudinal arrangement's fretwork jacquard layer (2), and the lower surface of environmental protection surface fabric body (1) has set gradually antistatic layer (5), flame retardant coating (6) and waterproof layer (7) downwards. The waterproof layer is characterized in that a lining layer is compounded on the lower surface of the waterproof layer, the lining layer is formed by interweaving warp yarns and weft yarns, the warp yarns and the weft yarns are arranged in a mutually perpendicular mode, the warp yarns are ordinary fiber yarns, and the weft yarns are far infrared fiber yarns. The application has a far infrared radiation function.
Chinese patent publication No. CN106042495A is a static-free environment-friendly fabric, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally-arranged hollow jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is downwards provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence. The waterproof layer is characterized in that a lining layer is compounded on the lower surface of the waterproof layer, printing is printed on the lining layer, the lining layer is formed by sequentially stringing and sleeving 75D/36F plain stitch coils and 75D/144F stretched sinker loop looped pile coils through weft knitting, and a layer of antistatic agent is attached to the printing lining layer. The application is static-free.
Chinese patent publication No. CN105965967A is an environment-friendly fabric with good softness and comfort, which comprises an environment-friendly fabric body (1), wherein the upper surface of the environment-friendly fabric body is provided with a longitudinally arranged hollowed-out jacquard layer (2), and the lower surface of the environment-friendly fabric body (1) is provided with an antistatic layer (5), a fireproof layer (6) and a waterproof layer (7) in sequence. Waterproof layer lower surface complex has the backing layer, the backing layer includes: the PTFE film comprises a lining layer body, a PTFE film and a protective film, wherein the PTFE film is arranged on the lining layer body, and the protective film is arranged on the surface of the PTFE film and used for protecting the PTFE film. This application compliance and comfort level are good.
The Chinese patent publication No. CN105919198A moisture-absorbing environment-friendly fabric has the innovation points that: the composite material consists of the following raw materials in percentage by mass: 12-20% of fibrilia, 10-26% of chinlon, 2-5% of fluorine fiber and 6-14% of copper ammonia fiber, blending colored cotton and chinlon to be used as an inner layer of the moisture-absorbing environment-friendly fabric, blending fibrilia and wool fiber to be used as an interlayer of the moisture-absorbing environment-friendly fabric, and blending copper ammonia fiber and fluorine fiber to be used as a surface layer of the moisture-absorbing environment-friendly fabric. The moisture-absorbing environment-friendly fabric is light, thin and comfortable, has a good moisture-absorbing effect, and has the effects of absorbing moisture, drying and preserving heat by using different raw materials at different positions; if the product is not needed to be worn any more after being used, the product can be automatically degraded after a period of time, so that the time and the labor are saved, and the environment is protected; the product has low production cost, simple production process and no need of adding any process step, and improves the production efficiency.
Chinese patent publication No. CN105780264A relates to a production method of an environment-friendly fabric, which is characterized in that: the raw materials are as follows: the warp yarns are yarns A of the full-dull polyester filament yarns and yarns B of the semi-dull polyester filament yarns; weft yarns are C yarns of the semi-dull polyester filaments, wherein the proportion of the warp yarns A to the warp yarns B is 13: 5; the process comprises a warping process, a sizing process, a shaft combining process and a weaving technology; the weave is designed to adopt low tension weft insertion to ensure the fluffy hand feeling and recoverability of the fabric and the comfortable feeling of wearability in the weaving process. The warp direction adopts plain weave and 31/11 twill raised weave, a fabric weave pattern is manufactured by a photo rotation method, two warp yarns are proportionally circulated to form a basic weave unit, 342 basic weave units form the total warp number, the weft direction adopts 24 weft yarns as 1 circulation, the warp yarns are infinitely and circularly woven, and the grey cloth fabric is woven.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an environment-friendly fabric and a processing method thereof.
The purpose of the invention is realized by the following technical scheme:
the environment-friendly fabric is characterized in that the LOI of the environment-friendly fabric is 31-33%, the residual carbon content of the environment-friendly fabric is more than 10% after the environment-friendly fabric is calcined at the high temperature of 600 ℃ for 15min, and the UL-94 of the environment-friendly fabric is V-0 grade.
A processing method of an environment-friendly fabric comprises the following specific steps:
preparation of high-temperature flame retardant
The method comprises the following steps of (1) taking 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxa (DOPO) and tetra-p-benzal ethylene as raw materials, taking zinc chloride as a catalyst, and adopting a high-temperature melting reaction method, wherein the reaction temperature is 280-290 ℃ to obtain a high-temperature flame retardant; the chemical structural formula is as follows:
Figure BDA0002153174040000131
the specific preparation process is as follows:
mixing zinc chloride, DOPO and tetra-p-benzaldehyde ethylene powder serving as catalysts at a high speed, adding the mixture into a reaction kettle, carrying out high-temperature heating reaction under the protection of nitrogen, collecting the generated water content, controlling the reaction progress, adding a mixed solution of ethylene glycol and dimethylacetamide after the reaction is finished when the water yield reaches 99% of the theoretical content, dissolving the unreacted DOPO and tetra-p-benzaldehyde ethylene at 160-180 ℃, cooling and crystallizing to obtain high-temperature flame retardant powder, filtering and separating, and carrying out vacuum drying at 120 ℃ for 24 hours to prepare the high-temperature flame retardant;
the molar ratio of DOPO to tetra-p-benzaldehyde ethylene is 1: 0.95-1: 1.05,
the mass ratio of the zinc chloride to the DOPO is 1: 50-1: 100;
the mass ratio of the mixed solution of the ethylene glycol and the dimethylacetamide to the DOPO is 1: 0.1-1: 0.15;
in the mixed solution of ethylene glycol and dimethylacetamide, the volume ratio of ethylene glycol to dimethylacetamide is 1:1.
The melting point of the high-temperature flame retardant is 248-250 ℃, and the phosphorus content of the high-temperature flame retardant is 9.9 wt%.
The reaction temperature of the high-temperature melting reaction is 280-290 ℃;
(II) preparation of environment-friendly flame-retardant fiber
Dimethyl terephthalate (DMT) and ethylene glycol which are prepared from chemical waste polyester are used as raw materials, the raw materials are subjected to ester exchange reaction and pre-polycondensation reaction to obtain a prepolymer, the high-temperature flame retardant prepared in the step (I) is added into the prepolymer, polycondensation reaction and final polycondensation reaction are carried out to obtain an environment-friendly flame-retardant polyester melt, then melt-direct-spinning is adopted for carrying out melt-conveying spinning on the spinning added on line, the environment-friendly flame-retardant polyester melt is mixed and dispersed by a static mixer and a dynamic mixer, and then a primary yarn is extruded by a melt distribution plate and a spinning spinneret plate to obtain a primary yarn, and the primary yarn is cooled by circular blowing, bundled and oiled, and drawn and wound to obtain the environment-friendly flame-retardant fiber.
The molar ratio of the dimethyl terephthalate to the ethylene glycol is 1: 1.05-1: 1.35;
the molar ratio of the high-temperature flame retardant to the dimethyl terephthalate is 1: 0.03-1: 0.11;
the ester exchange temperature is 230-245 ℃, the ester exchange pressure is 0.15-0.2 MPa, and the ester exchange time is 2.0-3.5 h; the pre-polycondensation temperature is 255-265 ℃, the pre-polycondensation vacuum degree is 1-5 kPa, and the pre-polycondensation time is 45-60 min; the polycondensation temperature is 265-275 ℃, the polycondensation vacuum degree is 1-2 kPa, and the polycondensation time is 60-90 min; the final polycondensation temperature is 275-285 ℃, the final polycondensation vacuum degree is 100-200 Pa, and the final polycondensation time is 90-150 min;
the melt direct spinning melt conveying temperature is 285-290 ℃, the melt direct spinning temperature is 275-285 ℃, the circular blowing air speed is 0.5m/min, the circular blowing temperature is 23-25 ℃, the circular blowing humidity is 40-45 RH%, the drafting multiple is 3.0-3.5 times, and the spinning speed is 4500-4800 m/min.
(III) preparation of environment-friendly fabric
And (3) taking the environment-friendly flame-retardant fiber and the regenerated polyester fiber prepared in the step (II) as raw materials, and preparing the environment-friendly fabric by adopting a knitting weaving method, wherein warp yarns are the environment-friendly flame-retardant fiber, and weft yarns are the regenerated polyester fiber.
The warp of the environment-friendly fabric is environment-friendly flame-retardant fiber, and the number of the warp is 150-200 needles/cm.
The weft yarn of the environment-friendly fabric is regenerated polyester fiber, and the count of the weft yarn is 150-200 needles/cm.
The thickness of the environment-friendly fabric is 0.5-1.5 mm, and the weaving speed is 600-800 m/min.
The environment-friendly fabric is one of plain weave and twill weave.
The gram weight of the environment-friendly fabric is 80-350 g/m2, and the bursting strength is 700-1200N.
Compared with the prior art, the invention has the following positive effects:
the high-temperature flame retardant with high-temperature resistance and high-rigidity structure is used as a raw material, and the excellent flame retardant property of the fiber is improved through the excellent benzene ring rigidity structure and the high-phosphorus structure in the high-temperature flame retardant; the high-temperature-resistant flame retardant is introduced into the polyester matrix by using dimethyl terephthalate prepared by a chemical alcoholysis method of waste polyester fibers, and the high-temperature-resistant flame retardant is added in a polycondensation modification manner, so that the ecological effect of the environment-friendly fibers can be improved, has a melting temperature and can be uniformly dispersed in the polyester matrix, the problem that the conventional inorganic flame retardant is difficult to disperse in a polyester material is solved, the fiber strength is low, the excellent organic benzene ring structure of the high-temperature-resistant flame retardant has good compatibility with the polyester matrix, and the rigid structure endows the material with high orientation in the drafting process, so that the fiber strength is improved; and the regenerated polyester fiber is used as a raw material, so that the fabric has excellent reproducibility and environmental protection characteristics.
Drawings
FIG. 1 is a schematic representation of the reaction equation for the high temperature resistant flame retardant of the present application;
FIG. 2 is a hydrogen nuclear magnetic resonance image of the high temperature resistant flame retardant of the present invention;
Detailed Description
The following provides a specific embodiment of the environment-friendly fabric and the processing method thereof.
Example 1
A processing method of an environment-friendly fabric comprises the following specific steps:
preparation of high-temperature flame retardant
The method comprises the following steps of (1) taking 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxa (DOPO) and tetra-p-benzal ethylene as raw materials, taking zinc chloride as a catalyst, and adopting a high-temperature melting reaction method, wherein the reaction temperature is 280-290 ℃ to obtain a high-temperature flame retardant; the chemical structural formula is as follows:
Figure BDA0002153174040000171
the specific preparation process is as follows:
mixing zinc chloride, DOPO and tetra-p-benzaldehyde ethylene powder serving as catalysts at a high speed, adding the mixture into a reaction kettle, carrying out high-temperature heating reaction under the protection of nitrogen, collecting the generated water content, controlling the reaction progress, adding a mixed solution of ethylene glycol and dimethylacetamide after the reaction is finished when the water yield reaches 99% of the theoretical content, dissolving the unreacted DOPO and tetra-p-benzaldehyde ethylene at 160-180 ℃, cooling and crystallizing to obtain high-temperature flame retardant powder, filtering and separating, and carrying out vacuum drying at 120 ℃ for 24 hours to prepare the high-temperature flame retardant; FIG. 2 is a hydrogen nuclear magnetic resonance (H-NMR) spectrum of the high temperature resistant flame retardant, wherein the characteristic absorption peak (a) of a benzene ring in a molecular structure is corresponding to 6.7-7.5 ppm in the spectrum, and the characteristic absorption peak (b) of methylene is detected at 2.6ppm in the spectrum due to a multiple splitting structure of the benzene ring and the hydrogen of a biphenyl structure in the benzene ring structure, and only two groups of characteristic absorption peaks are present in the spectrum, and the characteristic absorption peak (-9.9 ppm) of an aldehyde group and the characteristic absorption peak (-3.6 ppm) of P-H are not detected, so that the reaction between DOPO and 1,2,3, 4-P-benzaldehyde ethylene is illustrated, and the related compound is generated; meanwhile, the infrared spectrogram discovers 3090cm in spectrum-1The characteristic absorption peak of the double bond exists and is 1300-1400 cm-1Three-component splitting peaks peculiar to benzene rings are found nearby, and the splitting peak is 960-1100 cm-1The corresponding P-O and P ═ O characteristic absorption peaks, thus, illustrate that a double bond structure exists in the structure and the resulting compound is the structure concerned.
The molar ratio of DOPO to tetra-p-benzaldehyde ethylene is 1: 0.95;
the mass ratio of the zinc chloride to the DOPO is 1: 50;
the mass ratio of the mixed solution of the ethylene glycol and the dimethylacetamide to the DOPO is 1: 0.1;
in the mixed solution of ethylene glycol and dimethylacetamide, the volume ratio of ethylene glycol to dimethylacetamide is 1:1.
The reaction temperature of the high-temperature melting reaction is 280-290 ℃;
(II) preparation of environment-friendly flame-retardant fiber
Dimethyl terephthalate (DMT) and ethylene glycol which are prepared from chemical waste polyester are used as raw materials, the raw materials are subjected to ester exchange reaction and pre-polycondensation reaction to obtain a prepolymer, the high-temperature flame retardant prepared in the step (I) is added into the prepolymer, polycondensation reaction and final polycondensation reaction are carried out to obtain an environment-friendly flame-retardant polyester melt, then melt-direct-spinning is adopted for carrying out melt-conveying spinning on the spinning added on line, the environment-friendly flame-retardant polyester melt is mixed and dispersed by a static mixer and a dynamic mixer, and then a primary yarn is extruded by a melt distribution plate and a spinning spinneret plate to obtain a primary yarn, and the primary yarn is cooled by circular blowing, bundled and oiled, and drawn and wound to obtain the environment-friendly flame-retardant fiber.
The molar ratio of the dimethyl terephthalate to the ethylene glycol is 1: 1.05;
the molar ratio of the high-temperature flame retardant to the dimethyl terephthalate is 1: 0.03;
the ester exchange temperature is 230-245 ℃, the ester exchange pressure is 0.15-0.2 MPa, and the ester exchange time is 2.0-3.5 h; the pre-polycondensation temperature is 255-265 ℃, the pre-polycondensation vacuum degree is 1-5 kPa, and the pre-polycondensation time is 45-60 min; the polycondensation temperature is 265-275 ℃, the polycondensation vacuum degree is 1-2 kPa, and the polycondensation time is 60-90 min; the final polycondensation temperature is 275-285 ℃, the final polycondensation vacuum degree is 100-200 Pa, and the final polycondensation time is 90-150 min;
the melt direct spinning melt conveying temperature is 285-290 ℃, the melt direct spinning temperature is 275-285 ℃, the circular blowing air speed is 0.5m/min, the circular blowing temperature is 23-25 ℃, the circular blowing humidity is 40-45 RH%, the drafting multiple is 3.0-3.5 times, and the spinning speed is 4500-4800 m/min.
(III) preparation of environment-friendly fabric
And (3) taking the environment-friendly flame-retardant fiber and the regenerated polyester fiber prepared in the step (II) as raw materials, and preparing the environment-friendly fabric by adopting a knitting weaving method, wherein warp yarns are the environment-friendly flame-retardant fiber, and weft yarns are the regenerated polyester fiber.
The warp yarns of the environment-friendly fabric are environment-friendly flame-retardant fibers, and the count of the warp yarns is 150 needles/cm.
The weft yarn of the environment-friendly fabric is the regenerated polyester fiber, and the count of the weft yarn is 150 needles/cm.
The thickness of the environment-friendly fabric is 0.5mm, and the weaving speed is 600 m/min.
The environment-friendly fabric is plain woven.
The gram weight of the environment-friendly fabric is 80g/m2The burst strength was 700N.
Example 2
A processing method of an environment-friendly fabric comprises the following specific steps:
preparation of high-temperature flame retardant
The method comprises the following steps of (1) taking 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxa (DOPO) and tetra-p-benzal ethylene as raw materials, taking zinc chloride as a catalyst, and adopting a high-temperature melting reaction method, wherein the reaction temperature is 280-290 ℃ to obtain a high-temperature flame retardant; the chemical structural formula is as follows:
Figure BDA0002153174040000201
the specific preparation process is as follows:
mixing zinc chloride, DOPO and tetra-p-benzaldehyde ethylene powder serving as catalysts at a high speed, adding the mixture into a reaction kettle, carrying out high-temperature heating reaction under the protection of nitrogen, collecting the generated water content, controlling the reaction progress, adding a mixed solution of ethylene glycol and dimethylacetamide after the reaction is finished when the water yield reaches 99% of the theoretical content, dissolving the unreacted DOPO and tetra-p-benzaldehyde ethylene at 160-180 ℃, cooling and crystallizing to obtain high-temperature flame retardant powder, filtering and separating, and carrying out vacuum drying at 120 ℃ for 24 hours to prepare the high-temperature flame retardant;
the molar ratio of DOPO to tetra-p-benzaldehyde ethylene is 1:1.05,
the mass ratio of the zinc chloride to the DOPO is 1: 100;
the mass ratio of the mixed solution of the ethylene glycol and the dimethylacetamide to the DOPO is 1: 0.15;
in the mixed solution of ethylene glycol and dimethylacetamide, the volume ratio of ethylene glycol to dimethylacetamide is 1:1.
The melting point of the high-temperature flame retardant is 248-250 ℃, and the phosphorus content of the high-temperature flame retardant is 9.9 wt%.
The reaction temperature of the high-temperature melting reaction is 280-290 ℃;
(II) preparation of environment-friendly flame-retardant fiber
Dimethyl terephthalate (DMT) and ethylene glycol which are prepared from chemical waste polyester are used as raw materials, the raw materials are subjected to ester exchange reaction and pre-polycondensation reaction to obtain a prepolymer, the high-temperature flame retardant prepared in the step (I) is added into the prepolymer, polycondensation reaction and final polycondensation reaction are carried out to obtain an environment-friendly flame-retardant polyester melt, then melt-direct-spinning is adopted for carrying out melt-conveying spinning on the spinning added on line, the environment-friendly flame-retardant polyester melt is mixed and dispersed by a static mixer and a dynamic mixer, and then a primary yarn is extruded by a melt distribution plate and a spinning spinneret plate to obtain a primary yarn, and the primary yarn is cooled by circular blowing, bundled and oiled, and drawn and wound to obtain the environment-friendly flame-retardant fiber.
The molar ratio of the dimethyl terephthalate to the ethylene glycol is 1: 1.35;
the molar ratio of the high-temperature flame retardant to the dimethyl terephthalate is 1: 0.11;
the ester exchange temperature is 230-245 ℃, the ester exchange pressure is 0.15-0.2 MPa, and the ester exchange time is 2.0-3.5 h; the pre-polycondensation temperature is 255-265 ℃, the pre-polycondensation vacuum degree is 1-5 kPa, and the pre-polycondensation time is 45-60 min; the polycondensation temperature is 265-275 ℃, the polycondensation vacuum degree is 1-2 kPa, and the polycondensation time is 60-90 min; the final polycondensation temperature is 275-285 ℃, the final polycondensation vacuum degree is 100-200 Pa, and the final polycondensation time is 90-150 min;
the melt direct spinning melt conveying temperature is 285-290 ℃, the melt direct spinning temperature is 275-285 ℃, the circular blowing air speed is 0.5m/min, the circular blowing temperature is 23-25 ℃, the circular blowing humidity is 40-45 RH%, the drafting multiple is 3.0-3.5 times, and the spinning speed is 4500-4800 m/min.
(III) preparation of environment-friendly fabric
And (3) taking the environment-friendly flame-retardant fiber and the regenerated polyester fiber prepared in the step (II) as raw materials, and preparing the environment-friendly fabric by adopting a knitting weaving method, wherein warp yarns are the environment-friendly flame-retardant fiber, and weft yarns are the regenerated polyester fiber.
The warp yarns of the environment-friendly fabric are environment-friendly flame-retardant fibers, and the count of the warp yarns is 200 needles/cm.
The weft yarn of the environment-friendly fabric is the regenerated polyester fiber, and the count of the weft yarn is 200 needles/cm.
The thickness of the environment-friendly fabric is 1.5mm, and the weaving speed is 800 m/min.
The environment-friendly fabric is twill.
The gram weight of the environment-friendly fabric is 350g/m2The burst strength was 1200N.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the concept of the present invention, and these modifications and decorations should also be regarded as being within the protection scope of the present invention.

Claims (5)

1. The processing method of the environment-friendly fabric is characterized by comprising the following specific steps of:
preparation of high-temperature flame retardant
The method comprises the following steps of (1) taking 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxa (DOPO) and tetra-p-benzal ethylene as raw materials, taking zinc chloride as a catalyst, and adopting a high-temperature melting reaction method, wherein the reaction temperature is 280-290 ℃ to obtain a high-temperature flame retardant; the chemical structural formula is as follows:
Figure DEST_PATH_IMAGE001
mixing zinc chloride, DOPO and tetra-p-benzaldehyde ethylene powder serving as catalysts at a high speed, adding the mixture into a reaction kettle, carrying out high-temperature heating reaction under the protection of nitrogen, collecting the generated water content, controlling the reaction progress, adding a mixed solution of ethylene glycol and dimethylacetamide after the reaction is finished when the water yield reaches 99% of the theoretical content, dissolving the unreacted DOPO and tetra-p-benzaldehyde ethylene at 160-180 ℃, cooling and crystallizing to obtain high-temperature flame retardant powder, filtering and separating, and carrying out vacuum drying at 120 ℃ for 24 hours to prepare the high-temperature flame retardant;
(II) preparation of environment-friendly flame-retardant fiber
Dimethyl terephthalate (DMT) and ethylene glycol which are prepared from chemical waste polyester are used as raw materials, the raw materials are subjected to ester exchange reaction and pre-polycondensation reaction to obtain a prepolymer, the high-temperature flame retardant prepared in the step (I) is added into the prepolymer, polycondensation reaction and final polycondensation reaction are carried out to obtain an environment-friendly flame-retardant polyester melt, then melt-direct-spinning is adopted for carrying out melt-conveying spinning on the spinning added on line, the environment-friendly flame-retardant polyester melt is mixed and dispersed by a static mixer and a dynamic mixer, and then a primary yarn is extruded by a melt distribution plate and a spinning spinneret plate to obtain a primary yarn, and the primary yarn is cooled by circular blowing, bundled and oiled, and drawn and wound to obtain the environment-friendly flame-retardant fiber;
the ester exchange temperature is 230-245 ℃, the ester exchange pressure is 0.15-0.2 MPa, and the ester exchange time is 2.0-3.5 h; the pre-polycondensation temperature is 255-265 ℃, the pre-polycondensation vacuum degree is 1-5 kPa, and the pre-polycondensation time is 45-60 min; the polycondensation temperature is 265-275 ℃, the polycondensation vacuum degree is 1-2 kPa, and the polycondensation time is 60-90 min; the final polycondensation temperature is 275-285 ℃, the final polycondensation vacuum degree is 100-200 Pa, and the final polycondensation time is 90-150 min;
(III) preparation of environment-friendly fabric
And (3) taking the environment-friendly flame-retardant fiber and the regenerated polyester fiber prepared in the step (II) as raw materials, and preparing the environment-friendly fabric by adopting a weaving method, wherein warp yarns are the environment-friendly flame-retardant fiber, and weft yarns are the regenerated polyester fiber.
2. The processing method of the environment-friendly fabric as claimed in claim 1, wherein the molar ratio of the dimethyl terephthalate to the ethylene glycol is 1:1.05 to 1: 1.35.
3. The processing method of the environment-friendly fabric as claimed in claim 1, wherein the molar ratio of the high-temperature flame retardant to the dimethyl terephthalate is 1: 0.03-1: 0.11.
4. The processing method of the environment-friendly fabric as claimed in claim 1, wherein the thickness of the environment-friendly fabric is 0.5-1.5 mm, and the weaving speed is 600-800 m/min.
5. The processing method of the environment-friendly fabric as claimed in claim 1, wherein the environment-friendly fabric is one of plain weave and twill weave.
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