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CN114481402A - Production process of antistatic waterproof woven fabric - Google Patents

Production process of antistatic waterproof woven fabric Download PDF

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Publication number
CN114481402A
CN114481402A CN202111572348.4A CN202111572348A CN114481402A CN 114481402 A CN114481402 A CN 114481402A CN 202111572348 A CN202111572348 A CN 202111572348A CN 114481402 A CN114481402 A CN 114481402A
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CN
China
Prior art keywords
antistatic
fabric
weaving
warping
yarns
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Pending
Application number
CN202111572348.4A
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Chinese (zh)
Inventor
王峰
吴艳铭
舒徽
郭秋丽
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Jiangyin Xiangfei Textile Technology Co ltd
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Jiangyin Xiangfei Textile Technology Co ltd
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Priority to CN202111572348.4A priority Critical patent/CN114481402A/en
Publication of CN114481402A publication Critical patent/CN114481402A/en
Pending legal-status Critical Current

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    • 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
    • D03D15/20—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 material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—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 material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • D03D15/533—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 antistatic; electrically conductive
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
    • D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/746—Slipping, anti-blocking, low friction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00—Clothing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties
    • 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
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • 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]
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Woven Fabrics (AREA)

Abstract

The invention discloses a production process of waterproof woven fabric, which comprises the following steps: a warping process: polyester filament yarns and nylon conductive yarns are mixed according to the weight ratio of 30: 1, orderly arranging and warping; a sizing process: the used sizing agent comprises polyacrylic acid sizing agent, PVA and antistatic agent; weaving procedure: weaving by using an air jet loom, wherein the opening and closing time of a main nozzle is 92-167 degrees, the height of a back beam is +3, and the opening time is 280 degrees; s4, post-finishing: adopts a laminating process and selects a TPU film. The terylene and the chinlon conductive yarns are adopted as raw materials, the fabric structure design, the warping process, the yarn process and the weaving process are optimized, and the weaving difficulty is reduced. The prepared fabric is flat, straight and smooth in cloth surface, light in texture, firm, wear-resistant and good in glossiness, has antistatic and waterproof functions and is the first choice of the fabric of the sports and leisure clothes.

Description

Production process of antistatic waterproof woven fabric
Technical Field
The invention relates to the technical field of woven fabrics, in particular to a production process of an antistatic waterproof woven fabric.
Background
The development of science and technology also pushes the textile industry to develop continuously, and the 21 st century clothes develop towards the wearing comfort, the functionalization, the nature return and the like. Various intelligent fabrics and functional fabrics are widely concerned and developed. One of them is waterproof breathable fabric. The waterproof breathable fabric is rain-proof and wind-proof, sweat-permeable and comfortable to wear, water cannot permeate the fabric under certain pressure in the wearing process, sweat and the like emitted by a human body can pass through the fabric or be conducted to the outside in the form of water vapor, condensation and accumulation between the surface of the human body and the fabric are avoided, and a wearer is kept dry and warm. The continuous improvement of the requirements on wearing comfort and functionality prompts people to adopt various novel technologies to improve various properties of the fabric, the combination of different processes and technologies is a main means for endowing the fabric with new functions, and the coating/laminating technology of the fabric is one of important methods.
The fabric coating/laminating is the composition of fabric and high molecular polymer, not only retains the original function of the fabric, but also increases the function of a covering layer, the fabric coating/laminating technology provides more possibilities for manufacturing functional fabric in the textile industry, greatly widens the application of the fabric, and the application field is wider and wider, thus the fabric coating/laminating technology is not only used for producing clothes and textiles, but also is applied to the shoe industry, civil or military uniforms, clothes under extreme climatic conditions, oilproof cloth, tents, packages and the like. Waterproof and air-permeable mechanism of fabric the waterproof and air-permeable mechanism of fabric has physical moisture permeability and functional moisture permeability, and the following four modes are mainly adopted:
firstly, the difference between the minimum diameter of water drops and the diameter of water vapor or air is utilized to realize the purpose of water resistance and air permeability by adopting the pores between warp and weft interweaving of the fabric or the aperture of a fabric compound between the minimum diameter and the diameter of the water vapor or the air, and the water-proof and air permeability fabric designed based on the principle comprises superfine high-density fabric, ultrahigh-density cotton fabric and the like. The moisture permeable type of such fabrics is the natural diffusion of pores between the yarns. The high-density fabric is light, thin, durable, good in moisture permeability, soft, good in drapability and windproof, and can be widely used for clothes for sports and outdoor activities. The main disadvantages are poor water resistance, high spinning cost and difficult processing because of the high fabric density and poor tearing performance of the fabric, which requires special treatment.
And secondly, the pore diameter of micropores (the diameter of the micropores is about 1nm) of the film is between that of water drops and moisture by adopting the microporous film, and the film and the fabric are compounded to endow the fabric with a waterproof and breathable function. The microporous polymeric film may be combined with a fabric by a lamination or coating process to impart water resistance and breathability to the composite. There are several ways to create micropores: the microporous membrane can be produced by biaxial stretching of the membrane, the filler (such as ceramic) can be added on the high polymer to form pores between the high polymer and the filler, the microporous membrane can be produced by phase separation (wet method of polyurethane), and the aim of ventilation can be achieved by mechanically perforating the non-porous membrane by using a perforating technology (such as laser).
And thirdly, enough chemical groups are provided by utilizing the hydrophilic components of the high polymer film to serve as the step stone of the water vapor molecules, the water molecules adsorb the water molecules on one side with high humidity due to hydrogen bonds and other intermolecular forces, and the water molecules are transferred to one side with low humidity through the hydrophilic groups on the high polymer chains to be desorbed, so that an adsorption-diffusion-desorption process is formed, and the aim of ventilation is fulfilled. The hydrophilic component can be a hydrophilic group in a molecular chain or a hydrophilic component of a block copolymer; the waterproof property of the film comes from the continuity of the film and larger film surface tension. The lamination/coating of the film with the fabric imparts water-proof and breathable functionality to the fabric.
Fourthly, the characteristics of the shape memory polymer are utilized, the shape memory polymer is in a glass transition temperature region, the air permeability is changed qualitatively due to the micro Brownian movement of molecular chains, and the air permeability is changed along with the change of the external temperature, namely, the intelligent function is realized, and the shape memory polymer is particularly like human skin and can be adjusted along with the change of the external temperature and the external humidity. The waterproof breathable fabric produced by adopting the shape memory polyurethane can adopt a non-porous lamination/coating mode, so that the defects of micropore blockage and the like generated in the using process due to micropores are reduced, more importantly, the moisture vapor permeability of the fabric can change along with the change of the temperature of a human body, the intelligent effect is achieved, and the fabric is suitable for being worn under various conditions.
However, the conventional waterproof woven fabric is usually impregnated with an antistatic finishing agent, so that the antistatic effect does not have durable antistatic performance, and the antistatic effect is weakened after washing. And when the warp and weft yarn density is lower, the fabric weaving process is more difficult.
Disclosure of Invention
The invention aims to provide a production process of an antistatic waterproof woven fabric, which adopts polyester filament yarns and nylon conductive yarns for weaving, combines fabric organizational structure design and weaving process, reduces weaving difficulty, and the prepared fabric has flat, straight and smooth surface, light, firm and wear-resistant texture, good glossiness, antistatic and waterproof functions and is the first choice of the fabric for sports and leisure clothes.
In order to solve the technical problem, the invention aims to realize that:
the invention provides a production process of an antistatic waterproof woven fabric, which comprises the following steps:
s1, warping process: polyester filament yarns and nylon conductive yarns are mixed according to the weight ratio of 30: 1, orderly arranging and warping; the warping speed is 650m/min, and the warping tension is 3.5-4.5 cN;
s2, sizing: the used sizing agent comprises polyacrylic acid sizing agent, PVA and antistatic agent; the sizing rate of the polyester filament yarn is 6.5-7.2%; the warping speed is 60-65m/min, and the elongation is 1.5%;
s3, weaving: weaving by using an air jet loom, wherein the warp tension is 280kg, the main jet pressure (0.4-0.45) MPa, the opening and closing time of a main jet is 92-167 degrees, the height of a back beam is +3, the opening time is 280 degrees, the auxiliary jet pressure is 0.50 +/-0.01 MPa, and the relative humidity of a workshop is 70 percent;
s4, post-finishing: adopts a laminating process, selects a TPU film, has the viscosity of the hot melt adhesive of 9200m Pa.s and the coating amount of the hot melt adhesive of 9-11 g/m2The curing temperature is 35 ℃, the relative humidity is 90%, and the curing time is over 32 h.
On the basis of the above scheme and as a preferable scheme of the scheme: in step S1, the fineness of the polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
On the basis of the above scheme and as a preferable scheme of the scheme: the antistatic agent is DHZ-20 antistatic agent, and the using amount of the DHZ-20 antistatic agent accounts for 2% of the weight of solids in the slurry.
On the basis of the above scheme and as a preferable scheme of the scheme: the PVA was PVA1799 used in an amount less than 10% by weight of the solids in the slurry.
On the basis of the above scheme and as a preferable scheme of the scheme: in the weaving process, the used weft yarns comprise polyester filament yarns and nylon conductive yarns, wherein the polyester filament yarns and the nylon conductive yarns are woven according to the following weight ratio of 30: and 1 weft insertion is carried out in sequence, the fineness of the polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
On the basis of the above scheme and as a preferable scheme of the scheme: the distance between the nylon conductive yarns is 0.8-1 cm.
On the basis of the above scheme and as a preferable scheme of the scheme: the weave structure of the fabric used for weaving is a plain weave.
The invention has the beneficial effects that: the invention relates to a production process of an antistatic waterproof woven fabric, which adopts terylene and chinlon conductive yarns as raw materials, optimizes fabric weave structure design, warping process, yarn process and weaving process and reduces weaving difficulty. The prepared fabric is flat, straight and smooth in cloth surface, light in texture, firm, wear-resistant and good in glossiness, has antistatic and waterproof functions and is the first choice of the fabric of the sports and leisure clothes.
Detailed Description
The present invention is further illustrated by the following specific examples.
When the antistatic waterproof woven fabric is designed, the warp yarns adopt the polyester filament yarns and the nylon conductive yarns, the density of the warp yarns is high, and the fineness of the polyester filament yarns and the fineness of the nylon conductive yarns are different, so that the polyester filament yarns and the polyester and the nylon in the warp yarns are easy to be twisted with each other, and the warp-wise stop times are high; the weft density of the fabric is 362 pieces/10 cm, the weave is plain weave, and the weft tightness is higher. In the weaving process, the back-poking capability of weft yarns is stronger, and the beating-up resistance is large.
In order to reduce the problems of uneven arrangement and mutual twisting of two warps in the weaving process caused by the difference of warping number and yarn linear density, the process of a warping procedure is strengthened and adjusted, the warping tension is proper, and the elastic elongation is reduced; in the sizing process, the coating is completely ensured, and meanwhile, the antistatic agent is applied, so that the entanglement of warp yarns can be effectively reduced; in addition, on the basis of the original process, the back beam warp stopping frame is properly lifted, the height of a heald frame is reduced, the opening time is advanced, and warp yarns form unequal tension sheds in the weaving process.
The embedding distance of the nylon conductive yarn has great influence on the static half-life period and the charge surface density of the fabric, and has no obvious influence on the surface resistance of the fabric. The smaller the spacing of the conductive yarns, the greater the conductive filament content, the faster the rate of static charge dissipation, and the shorter the time for the static half-life. However, when the content of the conductive filaments reaches a certain level, the influence on the antistatic property of the fabric is less significant. According to the practical situation, the space between the conductive yarns is about 1cm, the antistatic effect is good, the warp density of the fabric is combined, and the arrangement ratio of the conductive yarns to the warp yarns is 30: 1, the spacing of the conductive filaments is 0.8 cm. The specific specifications of the designed fabric are as follows:
the fabric weave was 1 over 1 under plain weave, warp: dacron 75D +20D nylon conductive yarn (30: 1), weft: a terylene 160D +20D chinlon conductive yarn (30: 1); warp density: 580 pieces/10 cm, weft density: 362 pieces/10 cm.
The invention relates to a production process of an antistatic waterproof woven fabric, which comprises the following steps: the method comprises an S1 warping process, an S2 sizing process, an S3 weaving process and an S4 finishing process.
In the step S1 warping process, the polyester filament yarns and the nylon conductive yarns are processed according to the proportion of 30: 1, orderly arranging and warping; the warping speed is 650m/min, and the warping tension is 3.5-4.5 cN. The fineness of the used polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
In the warping process of the fabric, 9048 warps are the total warping number, and the Jiangyanhua high-speed filament warping is performed according to the process requirements. The warping number is adjusted according to the width of the fabric. The warping tension of warp yarn is 5-8 cN.
S2, sizing: the used sizing agent comprises polyacrylic acid sizing agent, PVA and antistatic agent; the sizing rate of the polyester filament yarn is 6.5-7.2%; the warping speed is 60-65m/min, and the elongation is 1.5%.
The fabric is plain, has a plurality of interweaving points, and has a plurality of opening times of warps, and the warps are severely rubbed in the production process. Therefore, the warp yarn is required to have good abrasion resistance. Because the terylene easily generates static electricity when rubbing, the warp yarns are mutually adhered, and the opening is easily unclear, so that the antistatic agent needs to be added. At present, the polyester filament yarn mainly adopts polyacrylic acid sizing agent, and has good adhesiveness and soft size film. Meanwhile, in order to improve the slashing quality, a part of PVA is added on the basis of the polyacrylic acid sizing agent.
Specifically, the solid content in the slurry used is 8 to 10%, and 10% is used in the present invention. Wherein, the PVA1799 is used, and the amount of the PVA1799 is less than 10 percent of the weight of the solid in the slurry, and can be 8 percent. The antistatic agent is DHZ-20 antistatic agent, and the using amount of the DHZ-20 antistatic agent accounts for 2% of the weight of solids in the slurry.
In the weaving process of step S3, an air jet loom is adopted to weave, the warp tension is 280kg, the main jet pressure (0.4-0.45) MPa, the opening and closing time of the main jet is 92-167 degrees, the height of a back beam is +3, the opening time is 280 degrees, the auxiliary jet pressure is 0.50 +/-0.01 MPa, and the relative humidity of a workshop is 70%.
In consideration of production efficiency and practical conditions, the air jet loom is selected for weaving. Because air jet looms rely on air flow to pick up the weft, the shed definition requirements are high. The height of the back beam determines the difference of the tension of the upper and lower layers of warp yarns during beating-up, and because the upper layer of warp yarns mainly influences the definition of a shed, the shed with different tensions of upper and lower layers is adopted, and the back beam is selected to be lower in height. The height of the back beam is adjusted to be low, the tension of the upper layer warp is improved, the upper layer warp is prevented from blocking the introduced weft, the weft stop times are reduced, and the production efficiency is improved. By adopting the weaving process, the stop rate is reduced by 5 percent, and the production efficiency is improved.
In the weaving process, the used weft yarns comprise polyester filament yarns and nylon conductive yarns, wherein the polyester filament yarns and the nylon conductive yarns are woven according to the following weight ratio of 30: and 1 weft is inserted sequentially, the fineness of the polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
S4, post-finishing: the method adopts a laminating process, selects a TPU film, has the viscosity of 9200m Pa.s, the coating amount of hot melt adhesive of 9-11 g/m2, the curing temperature of 35 ℃, the relative humidity of 90% and the curing time of more than 32 h.
Considering that the laminated fabric has excellent performance, wide material selection range, flexible design and less pollution in the process technology, the laminating process is selected for post-finishing, the main steps are that molten hot melt adhesive is injected into a hot adhesive storage tank, the hot melt adhesive is extruded into a groove of a heated engraving roll under the action of a scraper, then the hot melt adhesive is transferred from the engraving roll to a film through the extrusion action of a coating support roll, and the film is separated from the engraving roll; then the fabric and the film coated with the hot melt adhesive are compounded together through a laminating roller under a certain pressure at normal temperature, and the fabric and the film coated with the hot melt adhesive are cured.
The invention also relates to an antistatic waterproof woven fabric which is prepared by the production process; the distance between the nylon conductive yarns is 0.8-1cm, and the used fabric weave structure is a plain weave.
The quality level of the product meets the first-class requirement of the FZ/T14047-2019 Dacron printed and dyed cloth standard, and the safety meets the B-class requirement of GB 18401-2010 national textile product basic safety technical Specification standard. The waterproof performance meets the hydrostatic pressure of more than 30KPa of GB/T4744-2013 hydrostatic pressure method for detecting and evaluating the waterproof performance of textiles; antistatic compliance GB/T12703-2009 section 2 evaluation of textile Electrostatic Performance: the charge surface density is less than 1.5uC/m according to the standard2。
The detection indexes of the prepared fabric are shown in the following table:
Figure RE-GDA0003543966290000081
by optimizing the raw material selection, the fabric tissue, the weaving process and the after-finishing process, the antistatic waterproof woven fabric is finally and successfully developed. Through relevant standard detection, the developed product does not detect formaldehyde, and has the characteristic of good environmental protection; the color fastness to washing and the rubbing fastness are higher than the standard, meet the standard regulation of national basic safety technical standard of textile products, meet the safety requirement of B class, and the quality grade of the product meets the first-class requirement of polyester printed and dyed cloth. The production process of the product is feasible, and the product quality and the function reach the domestic advanced level.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (7)

1. The production process of the antistatic waterproof woven fabric is characterized by comprising the following steps of:
s1, warping process: polyester filament yarns and nylon conductive yarns are mixed according to the weight ratio of 30: 1, orderly arranging and warping; the warping speed is 650m/min, and the warping tension is 3.5-4.5 cN;
s2, sizing: the used sizing agent comprises polyacrylic acid sizing agent, PVA and antistatic agent; the sizing rate of the polyester filament yarn is 6.5-7.2%; the warping speed is 60-65m/min, and the elongation is 1.5%;
s3, weaving: weaving by using an air jet loom, wherein the warp tension is 280kg, the main jet pressure (0.4-0.45) MPa, the opening and closing time of a main jet is 92-167 degrees, the height of a back beam is +3, the opening time is 280 degrees, the auxiliary jet pressure is 0.50 +/-0.01 MPa, and the relative humidity of a workshop is 70 percent;
s4, post-finishing: adopts a laminating process, selects a TPU film, has the viscosity of the hot melt adhesive of 9200m Pa.s and the coating amount of the hot melt adhesive of 9-11 g/m2The curing temperature is 35 ℃, the relative humidity is 90%, and the curing time is over 32 h.
2. The production process of the antistatic waterproof woven fabric according to claim 1, wherein in the step S1, the fineness of the polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
3. The process for producing an antistatic waterproof woven fabric according to claim 1, wherein the antistatic agent is DHZ-20 antistatic agent, and the amount used is 2% by weight of the solid in the slurry.
4. The process of claim 1, wherein PVA1799 is used in an amount of less than 10% by weight of the solids in the slurry.
5. The production process of the antistatic waterproof woven fabric according to claim 1, wherein in the weaving process, the used weft yarns comprise polyester filaments and nylon conductive yarns, and the polyester filaments and the nylon conductive yarns are woven according to the following ratio of 30: and 1 weft is inserted sequentially, the fineness of the polyester filament yarn is 75D, and the fineness of the conductive nylon yarn is 20D.
6. The production process of the antistatic waterproof woven fabric according to claim 1, wherein the distance between the nylon conductive yarns is 0.8-1 cm.
7. The process for producing an antistatic and waterproof woven fabric as claimed in claim 1, wherein the weave structure of the fabric used for weaving is a plain weave.
CN202111572348.4A 2021-12-21 2021-12-21 Production process of antistatic waterproof woven fabric Pending CN114481402A (en)

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