CN111424330B - Preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions - Google Patents

Preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions Download PDF

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Publication number
CN111424330B
CN111424330B CN202010204500.2A CN202010204500A CN111424330B CN 111424330 B CN111424330 B CN 111424330B CN 202010204500 A CN202010204500 A CN 202010204500A CN 111424330 B CN111424330 B CN 111424330B
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antistatic
antibacterial
warp
knitted
fabric
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CN111424330A (en
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刘水平
谭连江
熊友根
陈兵
谭全胜
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Hai'an Qihong Textile Technology Co ltd
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Hai'an Qihong Textile Technology Co ltd
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    • 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
    • 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
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static 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
    • 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
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/653—Nitrogen-free carboxylic acids or their salts
    • D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8276—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester groups
    • 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
    • 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
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • 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

Abstract

The invention discloses a preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions, which comprises the steps of drying and mixing conductive powder with the antistatic function and nano-particles with the antibacterial function; mixing small molecular polymers containing hydroxyl groups for surface modification, drying, adding polyester with an antistatic/antibacterial effect prepared by a polymerization reaction in a polyester polymerization final polymerization link, and spinning to obtain antistatic/antibacterial functional fibers; and weaving the antistatic/antibacterial functional fiber with common polypropylene fiber, polyester fiber and polyamide fiber, dyeing with dye, and performing functional after-finishing on the warp-knitted sofa fabric by using a three-proofing after-finishing agent to obtain the sofa fabric with fine fluff on the surface. The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product.

Description

Preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions
Technical Field
The invention belongs to the technical field of warp-knitted sofa fabric production, and particularly relates to a preparation technology of a warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions.
Background
With the continuous development of science and technology and the continuous enhancement of human self-protection consciousness, people have clearly recognized that skin is a weak link of human body, is easily damaged by various external factors and also is easy to become a channel for various harmful factors to invade into the human body, so that the skin is a defense line which needs to be paid attention to. In recent years, the incidence of skin diseases is increasing, and research results show that more harmful bacteria and viruses contact the skin of a human body in a contact manner, the skin of the human body can infect the human body or even people around the human body after carrying the bacteria and the viruses, so that the diseases are spread, and the sofa fabric is a piece of cleaning cloth frequently used by people and is often used in places where some bacteria or viruses are easy to survive, so that the common sofa fabric cannot meet the health requirements of people, and the health of the human body can be effectively protected from the bacteria and the viruses by using the sofa fabric with the antistatic/antibacterial functions.
Most of the existing functional sofa fabrics in the market at present are prepared by functional after-treatment, and after being soaked or washed for several times, the antistatic/antibacterial effect is weakened until the antistatic/antibacterial effect disappears, so that the antistatic/antibacterial effect is poor. Aiming at the defects, the sofa fabric with the permanent antistatic and antibacterial functions is prepared from the raw materials, the using problems can be avoided, meanwhile, the sofa fabric can be prevented from absorbing dust by the aid of the antistatic and three-proofing functions, the sofa fabric is endowed with the function of easiness in cleaning, and the antistatic and three-proofing functions can be effectively combined to form a synergistic effect.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned technical drawbacks.
Therefore, as one aspect of the invention, the invention overcomes the defects in the prior art and provides a preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric.
In order to solve the technical problems, the invention provides the following technical scheme: a preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions comprises the steps of drying and mixing conductive powder with an antistatic function and nano-particles with an antibacterial function; mixing small molecular polymers containing hydroxyl groups for surface modification, drying, adding polyester with an antistatic/antibacterial effect prepared by a polymerization reaction in a polyester polymerization final polymerization link, and spinning to obtain antistatic/antibacterial functional fibers; and weaving the antistatic/antibacterial functional fiber with common polypropylene fiber, polyester fiber and polyamide fiber, dyeing with dye, and performing functional after-finishing on the warp-knitted sofa fabric by using a three-proofing after-finishing agent to obtain the sofa fabric with fine fluff on the surface.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the nano-particles with the antistatic function comprise nano zinc oxide, nano tin oxide and a hetero element dopant thereof, the hetero element dopant comprises one or more of nitrogen elements, copper elements and titanium elements, and the average particle size of the nano-particles with the antistatic function is 15-100 nm.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the nano particles with the antibacterial function comprise one or more of nano zinc oxide, nano silver, nano cuprous oxide and nano copper, and the average particle size of the nano particles with the antibacterial function is 10-100 nm.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the mixing of the antibacterial and antistatic nano powder is realized by a vacuum high-speed kneader with a heating function, the nano powder is subjected to surface modification by adopting a polymer containing hydroxyl, the heating temperature is 80-120 ℃, the polymer containing hydroxyl comprises any one of an ethylene glycol polymer, a propylene glycol polymer and a butanediol polymer, the molecular weight is 200-2000, and the polymer containing hydroxyl accounts for 1-10% of the mixed powder by mass.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the preparation method comprises the steps of carrying out in-situ polymerization reaction in a polymerization kettle, wherein the polymerization reaction materials are terephthalic acid, ethylene glycol and antistatic/antibacterial nano powder subjected to surface modification, and the ratio of the terephthalic acid to the ethylene glycol is 1: 1-1: 1.2, adding the surface-modified antistatic/antibacterial nano powder in an amount of 0.1-3% by mass of the reaction material, wherein the polymerization temperature is 200-300 ℃, and the reaction time is 4-16 h; the single-fiber fineness of the antistatic/antibacterial fiber is 0.5-5D.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the weaving comprises weaving grey cloth on a high-speed tricot warp knitting machine, and weaving the grey cloth by using three combs , wherein the antistatic/antibacterial polyester yarn and common polyester fibers with the same specification are mixed to be used as a first comb to be used as a using surface of the fabric, the proportion of face yarns is more than 50%, the dosage of three-proofing and antistatic antibacterial fibers in the face yarns is 10-100%, the thickness of raw materials is 75D, the number of holes is 72F, the extension line length of the first comb is 6 needles, namely the padding yarn number is 1-0/5-6//; the middle comb and the bottom comb are half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is respectively 1-0/1-2//, the bottom comb is 2-3/1-0//, the proportion of the middle comb is 40-50%, the transverse density is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 320 g/m.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: and dyeing, wherein the heating rate is 1-2 ℃/min, the temperature is kept after the temperature is raised to 135 ℃, the rate of the temperature reduction process is controlled to be 1.5-2.5 ℃/min, washing and cloth discharging are carried out, and the dyed pigment comprises a disperse dye.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: the dyeing is carried out by using a high-temperature high-pressure overflow dyeing machine, and the bath ratio is controlled to be 1: 15, adding glacial acetic acid after cloth feeding, wherein the concentration of the glacial acetic acid is 0.5g/L, the pH value of a working bath is 4, the dyeing is divided into five sections, the first section is to heat up to 135 ℃, the heating rate is 1.5 ℃/min, then the temperature is kept for 40min, the second section is to cool down to 80 ℃, the rate is 2 ℃/min, the temperature is controlled for 10min, soda and sodium hydrosulfite are added, the using amounts of the soda and the sodium hydrosulfite are both 3g/L, the third section is to continue to cool down to 40 ℃, the rate is controlled at 1.5 ℃/min, then water is drained, the glacial acetic acid is added for continuing water feeding, the concentration of the glacial acetic acid is 0.6g/L, the pH value of the cloth surface is adjusted to be 7, and the fifth section is to overflow water washing and batch water washing, and the time is 20 min.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: after the antistatic/antibacterial warp-knitted sofa fabric is woven and dyed, the method further comprises the following steps of shaping: carrying out shaping treatment at the temperature of 180-230 ℃ and the treatment speed of 25-30 m/min; napping: carrying out continuous fluffing treatment on the shaped warp-knitted sofa fabric; shaping padder upper softening: the shaping padder is soft upwards, the temperature is 160-220 ℃, the processing speed is 20-30 m/min, 10-30 g/L of ternary copolymerized amino silicone oil is added into the shaping padder, and the padder pressure is controlled to be 0.35-0.4 MPa; and (3) after finishing: carding and trimming are carried out by utilizing the mutual matching of a natural luster finishing machine and a shearing machine, wherein the temperature of a natural luster finishing machine ironing roller is 160-190 ℃, and the rotating speed is 750-950 rpm.
As a preferred scheme of the preparation method of the three-proofing and antistatic/antibacterial warp-knitted sofa fabric, the invention comprises the following steps: after the antistatic/antibacterial warp knitted sofa fabric is subjected to three-proofing function after-finishing, a two-dipping two-rolling process is adopted, the concentration of a three-proofing after-finishing agent is 1-5%, a solvent is water, the drying temperature is 130-180 ℃, and the drying time is 0.5-4 hours.
As another aspect of the invention, the invention overcomes the defects in the prior art and provides the warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions.
The invention has the beneficial effects that: the long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect is beneficial to the management of the sofa fabric, the cooperative benefit is formed by matching with the after-treatment of the three-proofing function, the sofa does not need to be washed and polluted or dust, the antibacterial function can effectively prevent the infection and regeneration of bacteria and viruses, and the use safety and cleanness of the sofa fabric are ensured.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 1% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 10%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 1%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade C according to the judgment standard, the sterilization rate of staphylococcus aureus is 62%, the sterilization rate of escherichia coli is 61%, the sterilization rate of staphylococcus albus is 60%, and the three-proofing grade evaluation is grade 4.5.
Example 2:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 2% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 10%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 1%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade C according to the evaluation standard, the sterilization rate of staphylococcus aureus is 72%, the sterilization rate of escherichia coli is 74%, the sterilization rate of staphylococcus albus is 71%, and the three-proofing grade evaluation is grade 4.
Example 3:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 10%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 1%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade B according to the judgment standard, the sterilization rate of staphylococcus aureus is 85%, the sterilization rate of escherichia coli is 83%, the sterilization rate of staphylococcus albus is 80%, and the three-proofing grade evaluation is grade 3.5. And (4) conclusion: the three-proofing grade descending phenomenon appears at this moment, mainly because along with the increase of nanoparticle content, the complexity on fiber surface has been increased, and the three-proofing auxiliary agent is the covering type auxiliary agent, is difficult to carry out the cladding to all protruding nanoparticles, therefore three-proofing grade descends, and the addition of three-proofing auxiliary agent also can make antistatic and antibacterial ability descend simultaneously, consequently need look for a balance point.
Example 4:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 10%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 2%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade B according to the judgment standard, the sterilization rate of staphylococcus aureus is 80%, the sterilization rate of escherichia coli is 78%, the sterilization rate of staphylococcus albus is 77%, and the three-proofing grade evaluation is grade 5.
Example 5:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 10%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade C according to the judgment standard, the sterilization rate of staphylococcus aureus is 76%, the sterilization rate of escherichia coli is 75%, the sterilization rate of staphylococcus albus is 75%, and the three-proofing grade evaluation is grade 7.5 (highest grade 8).
Example 6:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 50%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade B according to the judgment standard, the sterilization rate of staphylococcus aureus is 92%, the sterilization rate of escherichia coli is 91%, the sterilization rate of staphylococcus albus is 91%, and the three-proofing grade evaluation is grade 7.
Example 7:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 80%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches A level according to the evaluation standard, the sterilization rate of staphylococcus aureus is 99%, the sterilization rate of escherichia coli is 100%, the sterilization rate of staphylococcus albus is 100%, and the three-proofing grade evaluation is 6 level.
Example 8:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive tin oxide, and is prepared by a chemical synthesis method, and the size is 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 100%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches A level according to the evaluation standard, the sterilization rate of staphylococcus aureus is 100%, the sterilization rate of escherichia coli is 100%, the sterilization rate of staphylococcus albus is 100%, and the three-proofing grade evaluation is 5 level.
And (4) conclusion: at the moment, the three-prevention grade is reduced, mainly because the nano particles on the surface of the fabric are increased along with the increase of the content of the functional fibers, and the three-prevention auxiliary agent is an overlay type auxiliary agent and is difficult to coat all the protruding nano particles, so that the three-prevention grade is reduced, and in conclusion, the effect is optimal when the usage amount of the functional fibers is 80% and the concentration of the three-prevention auxiliary agent is 3%.
Example 9:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive zinc oxide, is prepared by a chemical synthesis method and has the size of 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 80%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches A level according to the evaluation standard, the sterilization rate of staphylococcus aureus is 100%, the sterilization rate of escherichia coli is 100%, the sterilization rate of staphylococcus albus is 100%, and the three-proofing grade evaluation is 5 level.
Example 10:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive zinc oxide, is prepared by a chemical synthesis method and has the size of 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 50%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches grade B according to the judgment standard, the sterilization rate of staphylococcus aureus is 99%, the sterilization rate of escherichia coli is 98%, the sterilization rate of staphylococcus albus is 98%, and the three-proofing grade evaluation is grade 6.5.
Example 11:
the preparation method of the three-proofing, antistatic and antibacterial warp-knitted sofa fabric comprises the steps of yarn preparation, weaving, dyeing, shaping, fluffing, shaping, rolling, softening and finishing.
1) The preparation process of the yarn adopts antistatic/antibacterial fiber, the antistatic/antibacterial fiber is prepared by modifying and drying nano powder with high-efficiency antistatic and antibacterial functions, adding the nano powder into a polymerization kettle, adding polyester with antistatic/antibacterial effect in the polymerization final polymerization link, and finally spinning to obtain the antistatic/antibacterial polyester yarn; (the warp knitted sofa fabric is woven by the yarn, so that the warp knitted sofa fabric has the antistatic/antibacterial capability and a long-lasting antistatic/antibacterial effect, and the using effect cannot be influenced by factors such as washing times, heating, acid-base impregnation and the like); wherein, the antistatic nano powder is selected from conductive zinc oxide, is prepared by a chemical synthesis method and has the size of 30 nm; the antibacterial nano powder is prepared by selecting nano silver with the size of 25nm, heating and mixing the nano silver with the conductive tin oxide nano powder by a high-speed kneader, heating to 90 ℃, adopting a polymer of glycol with the molecular weight of 600 to modify the surface of a nano material, wherein the addition proportion of a modifier accounts for 2% of the total weight of the nano powder, drying to remove water after compounding, the drying temperature is 80 ℃, carrying out in-situ polymerization in a polymerization kettle, the polymerization reaction materials are terephthalic acid, glycol and modified antistatic/antibacterial nano powder, the molar ratio of the terephthalic acid to the glycol is 1:1.2, the addition proportion of the modified antistatic/antibacterial nano powder accounts for 3% of the mass of the reaction materials, the polymerization temperature is 260 ℃, the reaction time is 8 hours, spinning the polymerized functional polyester to prepare fibers with different specifications of FDY or DTY, the single fiber fineness is 1D. In the step, the antistatic/antibacterial nano powder is wrapped in the polymer by modifying the antistatic/antibacterial nano powder, so that the binding force and the dispersity of the antistatic/antibacterial nano powder and the polymer are improved, and the antistatic/antibacterial nano powder is firmly and uniformly distributed on the surface and inside of the fiber;
2) the weaving process is that grey cloth is woven on a high-speed tricot machine, three combs are used for weaving the grey cloth, wherein antistatic/antibacterial fibers are used as a first comb and used as a using surface of the fabric, so that the antistatic/antibacterial effect is achieved, the proportion of surface yarns is 60%, the proportion of three-proofing and antistatic antibacterial fibers is 60%, the thickness of raw materials is 75D, the number of holes is 72F, the length of an extension line of the first comb needs to be controlled at 6 needles, namely, a yarn padding number is 1-0/5-6//, the higher fabric proportion is guaranteed, and meanwhile, the thickness of the fabric can be increased after later-stage napping; the middle comb and the bottom comb are respectively made of half-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is 1-0/1-2//, the bottom comb is 2-3/1-0//, and the proportion of the middle comb is controlled to be 40%; meanwhile, the transverse density of the product is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 260g per square meter; the generation of loop eyelets of the warp knitting product is avoided by controlling the density and the gram weight, so that the penetration of stains and bacteria and viruses to the fabric is reduced, and the antistatic/antibacterial effect of the product is improved;
3) the dyeing process is carried out by using a high-temperature high-pressure overflow dyeing machine, and the dye bath ratio is controlled to be 1: 15, selecting a disperse dye as the dye, adding glacial acetic acid after cloth feeding, controlling the using amount to be 0.5g/L, and ensuring the pH value of a working bath to be 4, wherein the whole dyeing process is divided into five stages, the first stage is heating to 135 ℃, the heating rate is controlled to be 1.5 ℃/min, then keeping the temperature for 40min, the second stage is cooling from 135 ℃ to 80 ℃, the rate is controlled to be 2 ℃/min, controlling the temperature for 10min, adding sodium carbonate and sodium hydrosulfite, the using amounts of the sodium carbonate and the sodium hydrosulfite are both 3g/L, ensuring the fastness of the product, the third stage is continuously cooling to 40 ℃, controlling the rate to be 1.5 ℃/min, then draining, the fourth stage is continuously adding glacial acetic acid 0.6g/L, adjusting the pH value of a cloth cover, controlling the pH value of the cloth cover to be 7, the fifth stage is overflow water washing and batch water washing, and controlling the time to be 20 min;
4) the shaping step is a drying procedure, namely drying the dyed warp-knitted sofa fabric for facilitating subsequent napping treatment, wherein the temperature is set to be 160 ℃, the antistatic/antibacterial auxiliary agent cannot be denatured due to overhigh temperature, and the speed is controlled to be 30 m/min;
5) the napping step is a continuous napping mode, 8 napping machines connected in series are used for continuously napping the fabric, wherein the front 3 napping machines are 36-roller napping machines for opening, the middle 4 napping machines are 24-roller napping machines for napping, and the last napping machine is set to be 36 rollers for carding; meanwhile, strictly controlling the forward and reverse needle parameter proportion of the raising machine, and completely breaking the front combing extension line of the fabric to obtain a pile fabric with the thickness of 2mm, wherein the height of the pile is 0.1 mm;
7) the shaping padder softening process is a process for providing certain dimensional stability and soft hand feeling of the fabric, and is characterized in that 30g/L of ternary copolymer amino silicone oil is added into a padder groove of a shaping machine, the padder pressure is controlled to be 0.4MPa, the temperature is controlled to be 160 ℃, and the speed is controlled to be 30m/min, so that the antistatic/antibacterial warp-knitted sofa fabric with certain dimensional stability and hand feeling is obtained;
8) the three-proofing function after-finishing process is a two-dipping two-rolling process, the concentration of the three-proofing auxiliary agent is 3%, the fabric has the three-proofing function after being dried, the drying temperature is 160 ℃, and the drying time is 2 hours.
The long-term antistatic/antibacterial warp-knitted sofa fabric produced by the invention can obviously improve the antistatic/antibacterial effect of the product, the antistatic effect reaches A level according to the evaluation standard, the sterilization rate of staphylococcus aureus is 100%, the sterilization rate of escherichia coli is 100%, the sterilization rate of staphylococcus albus is 100%, and the three-proofing grade evaluation is 6 level.
And (4) conclusion: the conductive zinc oxide can form synergistic effect with the nano silver, and can meet the requirements of high-grade three prevention and achieve the antistatic and antibacterial effects when the usage amount of the yarn is low.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (5)

1. A preparation method of warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions is characterized by comprising the following steps of: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
drying and mixing conductive powder with an antistatic function and nano particles with an antibacterial function, mixing micromolecule polymers containing hydroxyl to perform surface modification, drying, adding the antistatic/antibacterial nano powder with the surface modification in a polyester polymerization final polymerization link, preparing polyester with an antistatic/antibacterial effect through polymerization reaction, and spinning to obtain antistatic/antibacterial functional fibers, wherein the addition amount of the antistatic/antibacterial nano powder with the surface modification accounts for 3% of reaction materials by mass;
weaving the antistatic/antibacterial functional fiber with common polypropylene fiber, polyester fiber and polyamide fiber, dyeing with dye and performing functional after-finishing on the warp-knitted sofa fabric, wherein the functional after-finishing process adopts a three-proofing after-finishing agent, and the concentration of the three-proofing after-finishing agent is 2-3%, so that the sofa fabric with fine fluff on the surface is obtained;
the weaving comprises weaving grey cloth on a high-speed tricot machine, and weaving the grey cloth by using three combs , wherein the antistatic/antibacterial functional fiber and common polyester fiber with the same specification are mixed to be used as a first comb to be used as a using surface of the fabric, the proportion of surface yarn is more than 50%, the dosage of the antistatic/antibacterial functional fiber in the surface yarn is 50-100%, the thickness of raw materials is 75D, the number of holes is 72F, the extension line length of the first comb is 6 needles, and the yarn laying number is 1-0/5-6//; the middle comb and the bottom comb are respectively provided with semi-smooth circular holes FDY of common terylene 50D, the number of the holes is 36F, the yarn laying number is respectively 1-0/1-2//, the bottom comb is 2-3/1-0//, the proportion of the middle comb is 40-50%, meanwhile, the transverse density is 20wpc, the longitudinal density is controlled at 30cpc, and the gram weight is controlled at 320g per square meter;
after weaving and dyeing, the method also comprises the following steps:
shaping: carrying out shaping treatment at the temperature of 180-230 ℃ and the treatment speed of 25-30 m/min;
napping: carrying out continuous fluffing treatment on the shaped warp-knitted sofa fabric;
shaping padder upper softening: the shaping padder is soft upwards, the temperature is 160-220 ℃, the processing speed is 20-30 m/min, 10-30 g/L of ternary copolymerized amino silicone oil is added into the shaping padder, and the padder pressure is controlled to be 0.35-0.4 MPa;
and (3) after finishing: carding and trimming by utilizing the mutual matching of a natural luster finishing machine and a shearing machine, wherein the temperature of a natural luster finishing machine ironing roller is 160-190 ℃, and the rotating speed is 750-950 rpm;
the conductive powder with the antistatic function is selected from nano zinc oxide and nano tin oxide, and the average particle size of the conductive powder with the antistatic function is 15-100 nm;
the nano particles with the antibacterial function comprise one or more of nano zinc oxide, nano silver, nano cuprous oxide and nano copper, and the average particle size is 10-100 nm;
the antistatic conductive powder and the antibacterial nano particles are dried and mixed, and the drying and mixing are realized by a vacuum high-speed kneader with a heating function; the method comprises the steps of carrying out surface modification on nano powder by using a hydroxyl-containing micromolecule polymer, wherein the heating temperature is 80-120 ℃, the hydroxyl-containing micromolecule polymer comprises any one of an ethylene glycol polymer, a propylene glycol polymer and a butanediol polymer, the molecular weight is 200-2000, and the hydroxyl-containing micromolecule polymer accounts for 1-10% of the mass ratio of the mixed powder.
2. The method for preparing warp-knitted sofa fabric with three-proofing, antistatic and antibacterial functions as claimed in claim 1, is characterized in that: preparing antistatic/antibacterial functional fiber, adding surface modified antistatic/antibacterial nano powder in a final polymerization link, and preparing a polyester slice with an antistatic/antibacterial effect through reaction, wherein the polyester slice comprises in-situ polymerization reaction in a polymerization kettle, polymerization reaction materials are terephthalic acid, ethylene glycol and surface modified antistatic/antibacterial nano powder, and the ratio of the terephthalic acid to the ethylene glycol is 1: 1-1: 1.2, the polymerization reaction temperature is 200-300 ℃, and the reaction time is 4-16 h; the single-fiber fineness of the antistatic/antibacterial fiber is 0.5-5D.
3. The method for preparing the warp-knitted sofa fabric with three proofings and antistatic and antibacterial functions as claimed in claim 1, is characterized in that: and dyeing, wherein the heating rate is 1-2 ℃/min, the temperature is kept after the temperature is raised to 135 ℃, the rate of the temperature reduction process is controlled to be 1.5-2.5 ℃/min, washing and cloth discharging are carried out, and the dyed pigment comprises a disperse dye.
4. The method for preparing the warp-knitted sofa fabric with three proofings and antistatic and antibacterial functions as claimed in claim 1, is characterized in that: the dyeing is carried out by using a high-temperature high-pressure overflow dyeing machine, and the bath ratio is controlled to be 1: 15, adding glacial acetic acid after cloth feeding, wherein the concentration of the glacial acetic acid is 0.5g/L, the pH value of a working bath is 4, the dyeing is divided into five sections, the first section is to heat up to 135 ℃, the heating rate is 1.5 ℃/min, then the temperature is kept for 40min, the second section is to cool down to 80 ℃, the rate is 2 ℃/min, the temperature is controlled for 10min, soda and sodium hydrosulfite are added, the using amounts of the soda and the sodium hydrosulfite are both 3g/L, the third section is to continue to cool down to 40 ℃, the rate is controlled at 1.5 ℃/min, then water is drained, the glacial acetic acid is added for continuing water feeding, the concentration of the glacial acetic acid is 0.6g/L, the pH value of the cloth surface is adjusted to be 7, and the fifth section is to overflow water washing and batch water washing, and the time is 20 min.
5. The method for preparing the warp-knitted sofa fabric with three proofings and antistatic and antibacterial functions as claimed in claim 1, is characterized in that: after the antistatic/antibacterial warp-knitted sofa fabric is subjected to three-proofing function after finishing, a two-dipping and two-rolling process is adopted, the solvent is water, the drying temperature is 130-180 ℃, and the drying time is 0.5-4 h.
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