CN113981691A - Special fabric with flame-retardant and antibacterial functions and preparation method and application thereof - Google Patents

Special fabric with flame-retardant and antibacterial functions and preparation method and application thereof Download PDF

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Publication number
CN113981691A
CN113981691A CN202111250008.XA CN202111250008A CN113981691A CN 113981691 A CN113981691 A CN 113981691A CN 202111250008 A CN202111250008 A CN 202111250008A CN 113981691 A CN113981691 A CN 113981691A
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Prior art keywords
fabric
flame
retardant
blended
parts
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CN113981691B (en
Inventor
李仲暄
刘昆仑
王宁可
肖雷
侯彬文
朱伟民
张家生
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Chengdu Hairong Technical Textile Co ltd
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Chengdu Hairong Technical Textile Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating 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
    • D06M15/03Polysaccharides or derivatives thereof
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven 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
    • D03D15/208Woven 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
    • D03D15/217Woven 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
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven 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
    • D03D15/283Woven 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
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40Woven 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
    • D03D15/47Woven 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
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/32Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating 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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic Table; Zincates; Cadmates
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/68Treating 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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
    • D06M11/72Treating 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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402Amides imides, sulfamic acids
    • D06M13/432Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/18Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/20Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/18Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/22Polymers or copolymers of halogenated mono-olefins
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/18Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/24Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/30Flame or heat resistance, fire retardancy properties
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/04Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
    • D10B2321/041Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polyvinyl chloride or polyvinylidene chloride
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/06Fibres 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Botany (AREA)
  • Woven Fabrics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides a special fabric with flame-retardant and antibacterial functions, a preparation method and application thereof, and relates to the technical field of textiles. A preparation method of a special fabric with flame-retardant and antibacterial functions comprises the following steps: s1: blending the cotton fibers and the compound fibers to obtain blended yarns, and weaving the blended yarns into blended fabrics; s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric; s3: padding the dyed blended fabric with an antibacterial agent, drying, and padding with a first flame retardant to obtain a flame-retardant blended fabric; s4: and (3) finishing the flame-retardant blended fabric layer by using a second flame retardant to obtain the special fabric. The invention also provides the special fabric with flame-retardant and antibacterial functions prepared by the method and application. The invention can prepare the special fabric meeting the comfort requirement of producing clothes, and has better flame retardant and antibacterial properties.

Description

Special fabric with flame-retardant and antibacterial functions and preparation method and application thereof
Technical Field
The invention relates to the technical field of textiles, in particular to a special fabric with flame-retardant and antibacterial functions, and a preparation method and application thereof.
Background
Training clothes, comprehensive protective clothes, anti-load clothes and anti-immersion clothes need to be produced by using some special fabrics. The special fabric comprises flame-retardant fabric, oil-proof fabric, waterproof fabric, antistatic fabric, acid-alkali-proof fabric, ultraviolet-proof fabric, wear-resistant fabric, heat-insulating fabric and other fabrics with special functions.
At present, the existing flame-retardant fabric is generally blended and woven by adopting meta-position aromatic polyamide fiber and para-position aramid fiber or stainless steel fiber and the like, but the existing flame-retardant fabric has hard hand feeling and is not suitable for producing clothes.
Disclosure of Invention
The invention aims to provide a preparation method of a special fabric with flame-retardant and antibacterial functions, which can prepare the special fabric meeting the comfort requirement of producing clothes and has better flame-retardant and antibacterial properties.
The second purpose of the invention is to provide a special fabric with flame-retardant and antibacterial functions, which has better flame-retardant and antibacterial properties on the basis of meeting the comfort of the applicable production clothing decoration.
The third purpose of the invention is to provide the application of the special fabric with flame-retardant and antibacterial functions, which can be used for producing training clothes, comprehensive protective clothing anti-load clothes and anti-immersion clothes.
The embodiment of the invention is realized by the following technical scheme:
a preparation method of a special fabric with flame-retardant and antibacterial functions comprises the following steps:
s1: blending the cotton fibers and the compound fibers to obtain blended yarns, and weaving the blended yarns into blended fabrics;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: padding the dyed blended fabric with an antibacterial agent, drying, and padding with a first flame retardant to obtain a flame-retardant blended fabric;
s4: and (3) finishing the flame-retardant blended fabric layer by using a second flame retardant to obtain the special fabric.
Further, the compound fiber in step S1 includes one or more of a vinylon fiber, a polypropylene fiber, and a polyvinyl chloride fiber.
Furthermore, in the step S1, the cotton fiber and the compound fiber are drawn according to the weight ratio (1-3) of 1, blended yarns are prepared through the working procedures of roving, spinning and double twisting, and then the blended yarns are woven into the blended fabric through tatting.
Further, the antibacterial agent in the step S3 includes the following components in parts by weight: 10-15 parts of water-soluble chitin, 15-22 parts of guanidine nitrate and 70-80 parts of water.
Further, the first flame retardant in the step S3 includes the following components in parts by weight: 30-45 parts of sodium pyrophosphate, 10-15 parts of zinc oxide and 80-90 parts of 70-80% acetic acid aqueous solution.
Further, the specific processing method in step S3 is as follows: adding the dyed blended fabric into an antibacterial agent or a first flame retardant according to a bath ratio of 1 (20-30), oscillating for 20-35 min at 45-50 ℃, and carrying out one-dipping one-rolling with a mangle ratio of 65-75%; drying at 80-85 ℃ for 5-8 min, and baking to obtain the flame-retardant blended fabric; and padding the antibacterial agent and the first flame retardant for 1-5 times.
Further, the second flame retardant in the step S4 comprises 8-15 wt% of chitosan and 6-12 wt% of sodium hexametaphosphate.
Further, the specific processing method in step S4 is as follows: adding the flame-retardant blended fabric into a chitosan solution with the concentration of 8-15 wt% according to a bath ratio of 1 (10-15), soaking for 20-30 min, taking out, washing with water for 2-3 times, drying, adding into a sodium hexametaphosphate solution with the concentration of 6-12 wt% according to a bath ratio of 1 (10-12), soaking for 8-12 min, taking out, washing with water for 2-3 times, and drying; and repeating the treatment for 5-10 times to obtain the special fabric.
A special fabric with flame-retardant and antibacterial functions is prepared by a preparation method of the special fabric with flame-retardant and antibacterial functions.
The application of special fabric with flame-retardant and antibacterial functions in producing training clothes, comprehensive protective clothing, load-resistant clothing and anti-soaking clothing.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
1. the invention selects cotton fiber, vinylon fiber, polypropylene fiber or polyvinyl chloride fiber for blended weaving, so that the fabric has certain flame retardance and higher comfort, and is suitable for producing clothes.
2. According to the invention, the first flame retardant is padded in advance, and then the second flame retardant is arranged on the fabric through layer-by-layer self-assembly, so that the fabric has better flame retardance; meanwhile, the fabric is padded with the antibacterial agent, so that the fabric has better antibacterial property.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The special fabric with flame retardant and antibacterial functions provided by the embodiment of the invention, and the preparation method and the application thereof are specifically described below.
Example 1
The embodiment provides a preparation method of a special fabric with flame-retardant and antibacterial functions, which comprises the following steps:
s1: drawing cotton fibers and vinylon fibers according to the weight ratio of 1:1, preparing blended yarns through the working procedures of roving, spinning and double twisting, and weaving the blended yarns into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into an antibacterial agent according to a bath ratio of 1:20, oscillating for 20min at 45 ℃, and carrying out soaking and rolling once, wherein the mangle expression is 65%; oven drying at 80 deg.C for 8 min; adding the dyed blended fabric into the first flame retardant according to the bath ratio of 1:20, oscillating for 35min at 45 ℃, and carrying out soaking and rolling once, wherein the mangle ratio is 65%; drying for 8min at 80 ℃, and baking to obtain the flame-retardant blended fabric; repeating the steps for 1 time; the antibacterial agent comprises the following components in parts by weight: 10 parts of water-soluble chitin, 15 parts of guanidine nitrate and 70 parts of water; the first flame retardant comprises the following components in parts by weight: 30 parts of sodium pyrophosphate, 10 parts of zinc oxide and 80 parts of 70% acetic acid aqueous solution;
s4: adding the flame-retardant blended fabric into 8 wt% chitosan solution according to a bath ratio of 1:10, soaking for 20min, taking out, washing with water for 2 times, drying, adding into 6 wt% sodium hexametaphosphate solution according to a bath ratio of 1:10, soaking for 8min, taking out, washing with water for 2 times, and drying; the above treatment is repeated for 10 times to obtain the special fabric.
This example provides a special fabric with flame retardant and antibacterial functions, which is designated as A.
Example 2
The embodiment provides a preparation method of a special fabric with flame-retardant and antibacterial functions, which comprises the following steps:
s1: drawing cotton fibers, vinylon fibers and polypropylene fibers according to the weight ratio of 2:1, preparing blended yarns through the working procedures of roving, spinning and double twisting, and weaving the blended yarns into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into an antibacterial agent according to a bath ratio of 1:25, oscillating for 20min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle expression is 70%; oven drying at 80 deg.C for 6 min; adding the dyed blended fabric into the first flame retardant according to the bath ratio of 1:25, oscillating for 30min at 45 ℃, and carrying out soaking and rolling once, wherein the mangle ratio is 70%; drying for 6min at 80 ℃, and baking to obtain the flame-retardant blended fabric; repeating the steps for 2 times; the antibacterial agent comprises the following components in parts by weight: 12 parts of water-soluble chitin, 20 parts of guanidine nitrate and 75 parts of water; the first flame retardant comprises the following components in parts by weight: 35 parts of sodium pyrophosphate, 12 parts of zinc oxide and 85 parts of 70% acetic acid aqueous solution;
s4: adding the flame-retardant blended fabric into a 10 wt% chitosan solution according to a bath ratio of 1:12, soaking for 25min, taking out, washing with water for 2 times, drying, adding into a 10 wt% sodium hexametaphosphate solution according to a bath ratio of 1:12, soaking for 10min, taking out, washing with water for 2 times, and drying; the above treatment is repeated for 5 times to obtain the special fabric.
This example provides a special fabric with flame retardant and antibacterial functions, which is designated as B.
Example 3
The embodiment provides a preparation method of a special fabric with flame-retardant and antibacterial functions, which comprises the following steps:
s1: drawing cotton fibers and polyvinyl chloride fibers according to the weight ratio of 3:1, preparing blended yarns through the working procedures of roving, spinning and double twisting, and weaving the blended yarns into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into an antibacterial agent according to a bath ratio of 1:30, oscillating for 35min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle expression is 75%; oven drying at 85 deg.C for 5 min; adding the dyed blended fabric into the first flame retardant according to the bath ratio of 1:30, oscillating for 35min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle ratio is 75%; drying at 85 ℃ for 5min, and baking to obtain the flame-retardant blended fabric; repeating the above steps for 5 times; the antibacterial agent comprises the following components in parts by weight: 15 parts of water-soluble chitin, 22 parts of nitric acid and 80 parts of water; the first flame retardant comprises the following components in parts by weight: 45 parts of sodium pyrophosphate, 15 parts of zinc oxide and 90 parts of 80% acetic acid aqueous solution;
s4: adding the flame-retardant blended fabric into a 15 wt% chitosan solution according to a bath ratio of 1:15, soaking for 30min, taking out, washing with water for 3 times, drying, adding into a 12 wt% sodium hexametaphosphate solution according to a bath ratio of 1:10, soaking for 12min, taking out, washing with water for 3 times, and drying; the above treatment is repeated for 8 times to obtain the special fabric.
This example provides a special fabric with flame retardant and antibacterial functions, which is designated as C.
Comparative example 1
The comparative example provides a method for preparing a specialty fabric, comprising the steps of:
s1: the meta-position aromatic polyamide fiber and the para-position aramid fiber are subjected to roving, spinning and two-for-one twisting to prepare blended yarns, and then the cotton yarns are woven into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into an antibacterial agent according to a bath ratio of 1:30, oscillating for 35min at 45 ℃, and carrying out soaking and rolling once, wherein the mangle expression is 75%; oven drying at 80 deg.C for 8 min; adding the dyed blended fabric into the first flame retardant according to the bath ratio of 1:30, oscillating for 20min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle ratio is 75%; drying at 80 ℃ for 5min, and baking to obtain the flame-retardant blended fabric; repeating the steps for 2 times; the antibacterial agent comprises the following components in parts by weight: 15 parts of water-soluble chitin, 22 parts of guanidine nitrate and 70 parts of water; the first flame retardant comprises the following components in parts by weight: 30 parts of sodium pyrophosphate, 10 parts of zinc oxide and 90 parts of 80% acetic acid aqueous solution;
s4: adding the flame-retardant blended fabric into 8 wt% chitosan solution according to a bath ratio of 1:15, soaking for 30min, taking out, washing with water for 2 times, drying, adding into 12 wt% sodium hexametaphosphate solution according to a bath ratio of 1:12, soaking for 8min, taking out, washing with water for 2 times, and drying; the above treatment is repeated for 5 times to obtain the special fabric.
This comparative example provides a specialty fabric, designated M1, which was prepared.
Comparative example 2
The comparative example provides a method for preparing a specialty fabric, comprising the steps of:
s1: the meta-position aromatic polyamide fiber and the para-position aramid fiber are subjected to roving, spinning and two-for-one twisting to prepare blended yarns, and then the cotton yarns are woven into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into an antibacterial agent according to a bath ratio of 1:30, oscillating for 20min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle expression is 65%; oven drying at 85 deg.C for 5 min; adding the dyed blended fabric into the first flame retardant according to the bath ratio of 1:20, oscillating for 20min at 50 ℃, and carrying out soaking and rolling once, wherein the mangle ratio is 65%; drying for 8min at 80 ℃, and baking to obtain the flame-retardant blended fabric; repeating the steps for 3 times; the antibacterial agent comprises the following components in parts by weight: 10 parts of water-soluble chitin, 15 parts of guanidine nitrate and 70 parts of water; the first flame retardant comprises the following components in parts by weight: 30 parts of sodium pyrophosphate, 10 parts of zinc oxide and 80 parts of 70% acetic acid aqueous solution.
This comparative example provides a specialty fabric, designated M2, which was prepared.
Comparative example 3
The comparative example provides a method for preparing a specialty fabric, comprising the steps of:
s1: drawing cotton fibers and vinylon fibers according to the weight ratio of 1:1, preparing blended yarns through the working procedures of roving, spinning and double twisting, and weaving the blended yarns into blended fabrics through tatting;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: adding the dyed blended fabric into a first flame retardant according to a bath ratio of 1:20, oscillating for 35min at 45 ℃, and carrying out one-dipping one-rolling with a mangle ratio of 65%; drying for 8min at 80 ℃, and baking to obtain the flame-retardant blended fabric; repeating the steps for 2 times; the first flame retardant comprises the following components in parts by weight: 30 parts of sodium pyrophosphate, 15 parts of zinc oxide and 80 parts of 70% acetic acid aqueous solution;
s4: adding the flame-retardant blended fabric into 8 wt% chitosan solution according to a bath ratio of 1:10, soaking for 30min, taking out, washing with water for 2 times, drying, adding into 6 wt% sodium hexametaphosphate solution according to a bath ratio of 1:10, soaking for 12min, taking out, washing with water for 2 times, and drying; the above treatment is repeated for 5 times to obtain the special fabric.
This comparative example provides a specialty fabric having flame retardant and antimicrobial properties, designated as M3.
Experimental example 1
The softness of the products A to C produced in examples 1 to 3 and the products M1 to M2 produced in comparative examples 1 to 2, which had the same dimensions, were measured by a flexibility tester, and the results are shown in Table 1.
TABLE 1 bending Length and bending stiffness
Figure BDA0003322164570000091
Figure BDA0003322164570000101
As can be seen from table 1, the bending length and bending stiffness of the special fabric with flame retardant and antibacterial functions prepared by the present invention are smaller than those of the product M1 produced by comparative example 1 and the product M2 produced by comparative example 2; the product M1 produced in the comparative example 1 is a fabric blended and woven by the existing meta-aramid fiber and para-aramid fiber; the product M2 produced in the comparative example 2 adopts the existing fabric blended and woven by the meta-aramid fiber and the para-aramid fiber, but does not use the second flame retardant for layer-by-layer self-assembly finishing; the experiment of the invention adopts cotton fiber, vinylon fiber, polypropylene fiber or polyvinyl chloride fiber to carry out blended weaving, and the special fabric with flame-retardant and antibacterial functions, which is prepared by matching with the preparation method, has better softness, and meets the requirement of comfort suitable for producing clothes.
Experimental example 2
The Limiting Oxygen Index (LOI) tests were carried out on the same-sized products A to C produced in examples 1 to 3 and the products M1 to M2 produced in comparative examples 1 to 2, and the results are shown in Table 2.
TABLE 2 Limiting Oxygen Index (LOI)
Sample (I) LOI(%)
A 28.1
B 26.9
C 27.3
M1 28.2
M2 21.5
As can be seen from Table 2, the limiting oxygen index of the special fabric with flame retardant and antibacterial functions prepared by the invention is equivalent to that of the product M1 produced by comparative example 1, and is higher than that of the product M2 produced by comparative example 2; the product M1 produced in the comparative example 1 is a fabric blended and woven by the existing meta-aramid fiber and para-aramid fiber; the product M2 produced in the comparative example 2 adopts the existing fabric blended and woven by the meta-aramid fiber and the para-aramid fiber, but does not use the second flame retardant for layer-by-layer self-assembly finishing; the experiment of the invention adopts cotton fiber, vinylon fiber, polypropylene fiber or polyvinyl chloride fiber to carry out blended weaving, and the special fabric with flame-retardant and antibacterial functions, which is prepared by matching with the preparation method, not only meets the comfort requirement of producing clothes, but also effectively improves the flame retardance.
Experimental example 3
Products A to C produced in examples 1 to 3 and products M1 to M3 produced in comparative examples 1 to 3 with the same size are respectively immersed in staphylococcus aureus, escherichia coli and mold liquid with the same concentration, the liquid is placed on a flat plate for 24 hours, the number of bacterial colonies before and after culture is recorded, and the bacteriostasis rate is calculated, and the results are shown in Table 3.
TABLE 3 antibacterial Properties
Sample (I) Staphylococcus aureus Escherichia coli Mould fungus
A 96.2 98.3 97.5
B 95.6 98.1 97.2
C 96.1 97.8 97.1
M1 95.1 97.4 96.8
M2 94.7 96.1 95.5
M3 Has no antibacterial effect 35.2 Has no antibacterial effect
As can be seen from Table 3, the special fabric with flame retardant and antibacterial functions prepared by the invention has better antibacterial performance; the product M3 prepared in comparative example 3 was subjected to no padding treatment with an antibacterial agent; the special fabric with flame-retardant and antibacterial functions has good inhibition on staphylococcus aureus, escherichia coli and mould.
In conclusion, according to the preparation method of the special fabric with the flame-retardant and antibacterial functions, the softness of the prepared special fabric with the flame-retardant and antibacterial functions meets the requirement of being suitable for producing clothes, and the special fabric has good flame-retardant and antibacterial properties.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The preparation method of the special fabric with the flame-retardant and antibacterial functions is characterized by comprising the following steps of:
s1: blending the cotton fibers and the compound fibers to obtain blended yarns, and weaving the blended yarns into blended fabrics;
s2: dyeing the blended fabric by using a dye to obtain a dyed blended fabric;
s3: padding the dyed blended fabric with an antibacterial agent, drying, and padding with a first flame retardant to obtain a flame-retardant blended fabric;
s4: and (3) finishing the flame-retardant blended fabric layer by using a second flame retardant to obtain the special fabric.
2. The method for preparing a special fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein the compound fiber in step S1 includes one or more of a vinylon fiber, a polypropylene fiber and a polyvinyl chloride fiber.
3. The method for preparing a special fabric with flame-retardant and antibacterial functions as claimed in claim 1, wherein in step S1, the cotton fiber and the compound fiber are drawn according to the weight ratio (1-3): 1, and then the blended yarn is prepared through roving, spinning and double twisting, and then the blended yarn is woven into the blended fabric through tatting.
4. The method for preparing a special fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein the antibacterial agent in step S3 comprises the following components in parts by weight: 10-15 parts of water-soluble chitin, 15-22 parts of guanidine nitrate and 70-80 parts of water.
5. The method for preparing a special fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein the first flame retardant in step S3 comprises the following components in parts by weight: 30-45 parts of sodium pyrophosphate, 10-15 parts of zinc oxide and 80-90 parts of 70-80% acetic acid aqueous solution.
6. The method for preparing a special fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein the specific processing method of step S3 is as follows: adding the dyed blended fabric into an antibacterial agent or a first flame retardant according to a bath ratio of 1 (20-30), oscillating for 20-35 min at 45-50 ℃, and carrying out one-dipping one-rolling with a mangle ratio of 65-75%; drying at 80-85 ℃ for 5-8 min, and baking to obtain the flame-retardant blended fabric; and padding the antibacterial agent and the first flame retardant for 1-5 times.
7. The method for preparing a specialty fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein said second flame retardant in step S4 comprises 8-15 wt% chitosan and 6-12 wt% sodium hexametaphosphate.
8. The method for preparing a special fabric with flame retardant and antibacterial functions as claimed in claim 1, wherein the specific processing method of step S4 is as follows: adding the flame-retardant blended fabric into a chitosan solution with the concentration of 8-15 wt% according to a bath ratio of 1 (10-15), soaking for 20-30 min, taking out, washing with water for 2-3 times, drying, adding into a sodium hexametaphosphate solution with the concentration of 6-12 wt% according to a bath ratio of 1 (10-12), soaking for 8-12 min, taking out, washing with water for 2-3 times, and drying; and repeating the treatment for 5-10 times to obtain the special fabric.
9. The flame-retardant antibacterial special fabric prepared by the preparation method of the flame-retardant antibacterial special fabric disclosed by any one of claims 1-8.
10. The application of the special fabric with flame-retardant and antibacterial functions prepared by the preparation method of any one of claims 1 to 8 or the special fabric with flame-retardant and antibacterial functions of claim 9 in the production of training clothes, comprehensive protective clothes and anti-load clothes.
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