CN115012093A - Antibacterial and water-repellent fabric and processing method thereof - Google Patents

Antibacterial and water-repellent fabric and processing method thereof Download PDF

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Publication number
CN115012093A
CN115012093A CN202210782170.4A CN202210782170A CN115012093A CN 115012093 A CN115012093 A CN 115012093A CN 202210782170 A CN202210782170 A CN 202210782170A CN 115012093 A CN115012093 A CN 115012093A
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antibacterial
fabric
drying
parts
water
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向英
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Jinjiang Kangbangtuo New Material Technology Co ltd
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Jinjiang Kangbangtuo New Material Technology Co ltd
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/527—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads waterproof or water-repellent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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    • 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
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
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    • 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
    • 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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
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    • 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
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
    • 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
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
    • D06M2101/28—Acrylonitrile; Methacrylonitrile
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
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    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/10—Bamboo
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides

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  • Engineering & Computer Science (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Botany (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention relates to an antibacterial and water-repellent fabric and a processing method thereof, wherein the antibacterial and water-repellent fabric comprises the following components in parts by weight: 6-10 parts of antibacterial waterproof post-treatment agent and 60-80 parts of fabric; the processing method of the antibacterial and water-repellent fabric comprises the following steps: s1: preparing warp and weft, respectively feeding the warp and weft into a loom to obtain the fabric, wherein the mesh number per unit area is 20 holes/cm 2 (ii) a S2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by using a spraying machine; s3: putting the sprayed fabric into a drying device for drying; s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric. The invention realizes the lasting antibacterial property and the waterproof property of the fabric.

Description

Antibacterial and water-repellent fabric and processing method thereof
Technical Field
The invention relates to the field of textile fabrics, in particular to an antibacterial and waterproof fabric and a processing method thereof.
Background
Textile fabrics are divided into two types, namely weft knitting knitted fabrics and warp knitting knitted fabrics according to a weaving method, and most of the existing fabrics are post-processed by adopting the textile fabrics. With the development of fabric functionality, bamboo charcoal fiber has become one of popular materials that researchers pay attention to due to its excellent characteristics, but the existing fabric needs to have certain requirements for antibacterial property in addition to excellent air permeability, waterproof property and the like, and the durability of the properties needs to be ensured.
Disclosure of Invention
In view of the above, the present invention aims to provide an antibacterial and water-repellent fabric and a processing method thereof, so as to achieve the lasting antibacterial property and water-repellent property of the fabric.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial and water-repellent fabric comprises the following components in parts by weight: 6-10 parts of antibacterial waterproof post-treatment agent and 60-80 parts of fabric.
Preferably, the composition comprises the following components in parts by weight: 8 parts of antibacterial waterproof post-treatment agent and 70 parts of fabric.
The invention also provides a processing method of the antibacterial waterproof fabric, which comprises the following steps:
s1: preparing warp yarns and weft yarns, and respectively feeding the warp yarns and the weft yarns into a loom to prepare the fabric, wherein the mesh number of a unit area is 20 holes/cm 2;
s2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by using a spraying machine;
s3: putting the sprayed fabric into a drying device for drying;
s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
Preferably, the method for processing the warp and weft yarns in the step S1 includes the following steps:
s11: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fiber, bamboo fiber, polyacrylonitrile fiber and polyamide fiber, immersing the mixture into an antibacterial agent for pretreatment, washing the pretreated fiber, and drying for later use;
s12: mixing the polyvinyl alcohol fibers and the bamboo fibers obtained in the step S11, adding the mixture into a spinning machine to prepare warp yarns, performing antibacterial strengthening treatment on the warp yarns through an antibacterial strengthening agent, and drying for later use; and (4) mixing the polyacrylonitrile fibers and the polyamide fibers obtained in the step (S11), adding the mixture into a spinning machine to prepare weft yarns, performing antibacterial enhancement treatment on the weft yarns through an antibacterial enhancer, and drying for later use.
Preferably, the antimicrobial agent in step S11 is an MED mildew-resistant antimicrobial finish.
Preferably, the preparation method of the antibacterial enhancer in step S12 is: adding chitosan into a mixed solution of acetic acid and hydrogen peroxide, and stirring for 1h at 50 ℃ to obtain the antibacterial enhancer; wherein the volume fraction of the hydrogen peroxide is 30%, and the weight ratio of the chitosan to the acetic acid to the hydrogen peroxide is 1: 5: 15.
preferably, the preparation method of the antibacterial and waterproof post-treatment agent in the step S2 includes the steps of:
s21: dissolving polydimethylsiloxane in a mixed solvent consisting of normal hexane and absolute ethyl alcohol;
s22: and adding a silane coupling agent and nano copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof post-treatment agent.
Preferably, the weight part ratio of the polydimethylsiloxane, the normal hexane and the absolute ethyl alcohol in the step S21 is 1: 5: 5; the weight ratio of the silane coupling agent, the nano-copper powder and the mixed solution in the step S21 in the step S22 is 0.3: 1: 20.
preferably, the process parameters of the spraying in step S2 are: the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm.
Preferably, the drying process parameters in step S3 are: the drying temperature is 90-110 deg.C, and the drying time is 8-10 min.
The nano copper powder (namely, the microspheres) in the fabric is embedded into a hydrophobic polydimethylsiloxane matrix, and the polydimethylsiloxane not only serves as a low surface energy material, but also is combined with the nano copper microspheres through a silane coupling agent, so that the compactness, continuity, waterproofness and antibacterial property of the surface structure of the fabric are improved. The nano copper powder can also increase the rough structure of the surface of the fabric, so that the hydrophobic property of the fabric is improved.
The ultrasonic treatment of the nano-copper powder can better realize the inlaying of the nano-microspheres, improve the fastness of the nano-copper microspheres and improve the antibacterial property.
-NH in the molecular Structure of Chitosan in the present invention 2 The chitosan treatment on the warp and weft can improve the antibacterial performance of the warp and weft, improve the hydrophilicity of the warp and weft and increase the adhesion effect of the antibacterial waterproof after-treatment agent on the surface of the fabric.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the raw materials and equipment of the invention can be obtained from the market, and are not listed, wherein the raw materials of the invention can be obtained from the market, and the MED mildew-proof antibacterial finishing agent is a Ruddov antibacterial agent which is well known to those skilled in the art.
The first embodiment is as follows:
an antibacterial and water-repellent fabric comprises the following components in parts by weight: 10 parts of antibacterial waterproof post-treatment agent and 80 parts of fabric.
A processing method of an antibacterial waterproof fabric comprises the following steps:
s1: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fibers, bamboo fibers, polyacrylonitrile fibers and polyamide fibers, then immersing the mixture into an MED mildew-proof antibacterial finishing agent for pretreatment, washing the pretreated fibers clean, and drying for later use;
mixing polyvinyl alcohol fibers and bamboo fibers, adding the mixture into a spinning machine to prepare warp yarns, performing antibacterial strengthening treatment on the warp yarns through an antibacterial strengthening agent, and drying for later use; mixing polyacrylonitrile fiber and polyamide fiber, adding into a spinning machine to obtain weft yarn, performing antibacterial enhancement treatment on the weft yarn through an antibacterial enhancer, and drying for later use;
feeding the above warp and weft into a loom to obtain fabric with 20 holes/cm mesh number per unit area 2 ；
The preparation method of the antibacterial enhancer comprises the following steps: adding chitosan into a mixed solution of acetic acid and hydrogen peroxide, and stirring for 1h at 50 ℃ to obtain the antibacterial enhancer; wherein the volume fraction of the hydrogen peroxide is 30%, and the weight ratio of the chitosan to the acetic acid to the hydrogen peroxide is 1: 5: 15;
s2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by a spraying machine, wherein the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm;
the preparation method of the antibacterial waterproof post-treatment agent comprises the following steps: dissolving polydimethylsiloxane into a mixed solvent composed of normal hexane and absolute ethyl alcohol to obtain a mixed solution, wherein the weight ratio of the polydimethylsiloxane to the normal hexane to the absolute ethyl alcohol is 1: 5: 5; adding a silane coupling agent and nano-copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof after-treatment agent, wherein the silane coupling agent, the nano-copper powder and the mixed solution are in a weight ratio of 0.3: 1: 20.
s3: putting the sprayed fabric into a drying device for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 8-10 min;
s4: and rolling and warehousing the dried fabric to obtain the antibacterial and anti-splashing fabric.
Example two:
the antibacterial and water-repellent fabric comprises the following components in parts by weight: 6 parts of antibacterial waterproof post-treatment agent and 60 parts of fabric.
A processing method of an antibacterial waterproof fabric comprises the following steps:
s1: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fibers, bamboo fibers, polyacrylonitrile fibers and polyamide fibers, then immersing the mixture into an MED mildew-proof antibacterial finishing agent for pretreatment, washing the pretreated fibers clean, and drying for later use;
mixing polyvinyl alcohol fibers and bamboo fibers, adding the mixture into a spinning machine to prepare warp yarns, performing antibacterial strengthening treatment on the warp yarns through an antibacterial strengthening agent, and drying for later use; mixing polyacrylonitrile fiber and polyamide fiber, adding into a spinning machine to obtain weft yarn, performing antibacterial enhancement treatment on the weft yarn through an antibacterial enhancer, and drying for later use;
feeding the above warp and weft into a loom to obtain fabric with 20 holes/cm mesh number per unit area 2 ；
The preparation method of the antibacterial enhancer comprises the following steps: adding chitosan into a mixed solution of acetic acid and hydrogen peroxide, and stirring for 1h at 50 ℃ to obtain the antibacterial enhancer; wherein the volume fraction of the hydrogen peroxide is 30%, and the weight ratio of the chitosan to the acetic acid to the hydrogen peroxide is 1: 5: 15;
s2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by a spraying machine, wherein the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm;
the preparation method of the antibacterial waterproof post-treatment agent comprises the following steps: dissolving polydimethylsiloxane into a mixed solvent composed of normal hexane and absolute ethyl alcohol to obtain a mixed solution, wherein the weight part ratio of the polydimethylsiloxane to the normal hexane to the absolute ethyl alcohol is 1: 5: 5; adding a silane coupling agent and nano-copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof after-treatment agent, wherein the silane coupling agent, the nano-copper powder and the mixed solution are in a weight ratio of 0.3: 1: 20.
s3: putting the sprayed fabric into a drying device for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 8-10 min;
s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
Example three:
an antibacterial and water-repellent fabric comprises the following components in parts by weight: 8 parts of an antibacterial waterproof post-treatment agent and 70 parts of a fabric.
A processing method of an antibacterial waterproof fabric comprises the following steps:
s1: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fibers, bamboo fibers, polyacrylonitrile fibers and polyamide fibers, then immersing the mixture into an MED mildew-proof antibacterial finishing agent for pretreatment, washing the pretreated fibers clean, and drying for later use;
mixing polyvinyl alcohol fibers and bamboo fibers, adding the mixture into a spinning machine to prepare warp yarns, performing antibacterial strengthening treatment on the warp yarns through an antibacterial strengthening agent, and drying for later use; mixing polyacrylonitrile fiber and polyamide fiber, adding into a spinning machine to obtain weft yarn, performing antibacterial strengthening treatment on the weft yarn by using an antibacterial strengthening agent, and drying for later use;
feeding the above warp and weft into a loom to obtain fabric with 20 holes/cm mesh number per unit area 2 ；
The preparation method of the antibacterial enhancer comprises the following steps: adding chitosan into a mixed solution of acetic acid and hydrogen peroxide, and stirring for 1h at 50 ℃ to obtain the antibacterial enhancer; wherein the volume fraction of the hydrogen peroxide is 30%, and the weight ratio of the chitosan to the acetic acid to the hydrogen peroxide is 1: 5: 15;
s2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by a spraying machine, wherein the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm;
the preparation method of the antibacterial waterproof post-treatment agent comprises the following steps: dissolving polydimethylsiloxane into a mixed solvent composed of normal hexane and absolute ethyl alcohol to obtain a mixed solution, wherein the weight ratio of the polydimethylsiloxane to the normal hexane to the absolute ethyl alcohol is 1: 5: 5; adding a silane coupling agent and nano-copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof after-treatment agent, wherein the silane coupling agent, the nano-copper powder and the mixed solution are in a weight ratio of 0.3: 1: 20.
s3: putting the sprayed fabric into a drying device for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 8-10 min;
s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
Comparative example 1:
comparative example 1 is essentially the same as example 1 except that the warp and weft yarns are not antibacterially reinforced, specifically:
an antibacterial and water-repellent fabric comprises the following components in parts by weight: 10 parts of antibacterial waterproof post-treatment agent and 80 parts of fabric.
A processing method of an antibacterial waterproof fabric comprises the following steps:
s1: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fibers, bamboo fibers, polyacrylonitrile fibers and polyamide fibers, then immersing the mixture into an MED mildew-proof antibacterial finishing agent for pretreatment, washing the pretreated fibers clean, and drying for later use;
mixing polyvinyl alcohol fibers and bamboo fibers, and adding the mixture into a spinning machine to prepare warp yarns; mixing polyacrylonitrile fibers and polyamide fibers, and adding the mixture into a spinning machine to prepare weft yarns; feeding the above warp and weft into a loom to obtain fabric with 20 holes/cm mesh number per unit area 2 ；
S2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by a spraying machine, wherein the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm;
the preparation method of the antibacterial waterproof post-treatment agent comprises the following steps: dissolving polydimethylsiloxane into a mixed solvent composed of normal hexane and absolute ethyl alcohol to obtain a mixed solution, wherein the weight ratio of the polydimethylsiloxane to the normal hexane to the absolute ethyl alcohol is 1: 5: 5; adding a silane coupling agent and nano-copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof post-treatment agent, wherein the weight ratio of the silane coupling agent to the nano-copper powder to the mixed solution is 0.3: 1: 20.
s3: putting the sprayed fabric into a drying device for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 8-10 min;
s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
Comparative example 2:
comparative example 2 the same processing method as example 1, except that the warp and weft are not subjected to antibacterial reinforcement, and the fabric is not subjected to antibacterial waterproof after-treatment agent:
an antibacterial fabric comprises the following components in parts by weight: and 80 parts of fabric.
A processing method of an antibacterial fabric comprises the following steps:
s1: mixing the following components in parts by weight: 1: 1: 1, mixing polyvinyl alcohol fibers, bamboo fibers, polyacrylonitrile fibers and polyamide fibers, then immersing the mixture into an MED mildew-proof antibacterial finishing agent for pretreatment, washing the pretreated fibers clean, and drying for later use;
mixing polyvinyl alcohol fibers and bamboo fibers, and adding the mixture into a spinning machine to prepare warp yarns; mixing polyacrylonitrile fibers and polyamide fibers, and adding the mixture into a spinning machine to prepare weft yarns;
feeding the above warp and weft into a loom to obtain fabric with 20 holes/cm mesh number per unit area 2 ；
S2: putting the fabric into a drying device for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 8-10 min;
s3: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
The fabrics obtained in examples 1 to 3 and comparative examples 1 to 2 and the fabric of the commercial pink-fleshed textile mill antimicrobial waterproof isolation clothes in Wujiang city were subjected to antimicrobial property test and waterproof test, respectively. The test method comprises the following steps: (1) antibacterial property: according to GB/T20944.3-2008
Evaluation of antibacterial properties of textiles section 3: according to the detection method of the oscillation method, antibacterial property detection is carried out on the textile fabric samples prepared in the examples 1-3 and the comparative examples 1-2, and detection strains are escherichia coli and staphylococcus aureus. (2) Water repellency: reference is made to GB/T14577 + 1993 test for fabric water repellency. The test results are shown in table 1.
Table 1 antimicrobial and water repellency test data for fabrics of examples 1-3 and comparative examples 1-2
Figure BDA0003729780680000061
As can be seen from the above table, the antibacterial performance and the water resistance of examples 1 to 3 are improved compared with comparative examples 1 to 2, and are even closer to the antibacterial property of the commercially available antibacterial waterproof isolation clothes, and are better than the water resistance of the commercially available antibacterial waterproof isolation clothes, which indicates that the fabric of the present invention has excellent antibacterial performance and water resistance, can be widely applied to the field of garment fabrics, and has high practicability.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The antibacterial and water-repellent fabric is characterized by comprising the following components in parts by weight: 6-10 parts of antibacterial waterproof post-treatment agent and 60-80 parts of fabric.
2. The antibacterial and water repellent fabric according to claim 1, which comprises the following components in parts by weight: 8 parts of antibacterial waterproof post-treatment agent and 70 parts of fabric.
3. The processing method of the antibacterial and water-repellent fabric according to claim 1, characterized by comprising the following steps:
s1: preparing warp and weft, respectively feeding the warp and weft into a loom to obtain the fabric, wherein the mesh number per unit area is 20 holes/cm 2 ；
S2: spraying the antibacterial waterproof after-treatment agent on the two surfaces of the fabric obtained in the step S1 by using a spraying machine;
s3: putting the sprayed fabric into a drying device for drying;
s4: and (4) rolling and warehousing the dried fabric to obtain the antibacterial and water-repellent fabric.
4. The method for processing antibacterial and water repellent fabric according to claim 1, wherein the method for processing warp and weft yarns in step S1 comprises the steps of:
s11: mixing the raw materials in parts by weight of 1: 1: 1: 1, mixing polyvinyl alcohol fiber, bamboo fiber, polyacrylonitrile fiber and polyamide fiber, immersing the mixture into an antibacterial agent for pretreatment, washing the pretreated fiber, and drying for later use;
s12: mixing the polyvinyl alcohol fibers and the bamboo fibers obtained in the step S11, adding the mixture into a spinning machine to prepare warp yarns, performing antibacterial strengthening treatment on the warp yarns through an antibacterial strengthening agent, and drying for later use; and (4) mixing the polyacrylonitrile fibers and the polyamide fibers obtained in the step (S11), adding the mixture into a spinning machine to prepare weft yarns, performing antibacterial enhancement treatment on the weft yarns through an antibacterial enhancer, and drying for later use.
5. The method for processing antibacterial and water repellent fabric according to claim 4, wherein the antibacterial agent in step S11 is MED mildew-proof antibacterial finishing agent.
6. The method for processing antibacterial and water repellent fabric according to claim 5, wherein the method for preparing the antibacterial enhancer in step S12 comprises: adding chitosan into a mixed solution of acetic acid and hydrogen peroxide, and stirring for 1h at 50 ℃ to obtain the antibacterial enhancer; wherein the volume fraction of the hydrogen peroxide is 30%, and the weight ratio of the chitosan to the acetic acid to the hydrogen peroxide is 1: 5: 15.
7. the method for processing antibacterial and water repellent fabric according to claim 3, wherein the method for preparing the antibacterial and water repellent post-treatment agent in step S2 comprises the steps of:
s21: dissolving polydimethylsiloxane in a mixed solvent consisting of normal hexane and absolute ethyl alcohol;
s22: and adding a silane coupling agent and nano copper powder into the mixed solution, and ultrasonically stirring for 30min to obtain the antibacterial waterproof post-treatment agent.
8. The processing method of antibacterial and water repellent fabric according to claim 7, wherein the weight ratio of polydimethylsiloxane, n-hexane and absolute ethyl alcohol in step S21 is 1: 5: 5; the weight ratio of the silane coupling agent in the step S22, the nano copper powder and the mixed solution in the step S21 is 0.3: 1: 20.
9. the processing method of antibacterial and water repellent fabric according to claim 3, wherein the spraying process parameters in step S2 are as follows: the spraying speed is 20-22m/min, and the spraying thickness is 0.2-0.3 mm.
10. The processing method of antibacterial and water repellent fabric according to claim 3, wherein the drying process parameters in step S3 are as follows: the drying temperature is 90-110 deg.C, and the drying time is 8-10 min.
CN202210782170.4A 2022-07-05 2022-07-05 Antibacterial and water-repellent fabric and processing method thereof Pending CN115012093A (en)

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