CN114407451A - Flame-retardant anti-dripping multifunctional knitted fabric and preparation method thereof - Google Patents

Flame-retardant anti-dripping multifunctional knitted fabric and preparation method thereof Download PDF

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Publication number
CN114407451A
CN114407451A CN202111669975.XA CN202111669975A CN114407451A CN 114407451 A CN114407451 A CN 114407451A CN 202111669975 A CN202111669975 A CN 202111669975A CN 114407451 A CN114407451 A CN 114407451A
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CN
China
Prior art keywords
flame
retardant
layer
yarn
yarns
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Pending
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CN202111669975.XA
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Chinese (zh)
Inventor
董勤霞
潘玉明
曲俊兰
王瑜
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Shanghai Tiqiao Jiangsu Textile Technology Co ltd
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Shanghai Tiqiao Jiangsu Textile Technology Co ltd
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Priority to CN202111669975.XA priority Critical patent/CN114407451A/en
Publication of CN114407451A publication Critical patent/CN114407451A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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    • B32—LAYERED PRODUCTS
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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    • D—TEXTILES; PAPER
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • 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
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    • D06M13/10—Treating 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 oxygen
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    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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    • 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
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    • 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
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    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
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    • D06M15/53—Polyethers
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a flame-retardant anti-dripping multifunctional knitted fabric which comprises a flame-retardant layer, a knitted layer and a cotton cloth layer; the flame-retardant layer is formed by interweaving first warp yarns and first weft yarns, the first warp yarns are modacrylic fiber yarns, and the first weft yarns are yarns formed by blending modacrylic fibers and flame-retardant anti-molten-drop polyester fibers; the knitting layer is formed by knitting a second yarn I and a second yarn II through a weft knitting machine, the second yarn I is made of long-staple cotton fibers, and the second yarn II is made of polyester fibers and long-staple cotton fibers through blending; the cotton cloth layer is formed by weaving third warp yarns and third weft yarns, the third warp yarns are bamboo charcoal fiber yarns, and the third weft yarns are formed by interweaving fine denier polyester fibers and pima cotton blended yarns. The preparation method of the flame-retardant anti-dripping multifunctional knitted fabric provided by the invention is simple in process, low in cost and wide in application prospect.

Description

Flame-retardant anti-dripping multifunctional knitted fabric and preparation method thereof
Technical Field
The invention relates to the technical field of knitted fabric preparation, in particular to a flame-retardant anti-dripping multifunctional knitted fabric and a preparation method thereof.
Background
With social progress and development of times, the danger of fire is increased, and the hazard of fire is increased. Along with the improvement of living standard and the enhancement of people oriented security consciousness, the fire-proof anti-dripping knitwear and the flame retardant property are more and more concerned by people.
The existing flame-retardant fireproof fabric has good flame-retardant performance, but poor flexibility, poor wear resistance, poor air permeability and poor sweat absorption.
Disclosure of Invention
The invention aims to provide a flame-retardant anti-dripping multifunctional knitted fabric and a preparation method thereof aiming at the difference of the prior art.
The invention adopts the following technical scheme for solving the technical problems:
the invention provides a flame-retardant anti-dripping multifunctional knitted fabric, which comprises a flame-retardant layer, a knitted layer and a cotton cloth layer; the flame-retardant layer is formed by interweaving first warp yarns and first weft yarns, the first warp yarns are modacrylic fiber yarns, and the first weft yarns are yarns formed by blending modacrylic fibers and flame-retardant anti-molten-drop polyester fibers; the knitting layer is formed by knitting a second yarn I and a second yarn II through a weft knitting machine, the second yarn I is made of long-staple cotton fibers, and the second yarn II is made of polyester fibers and long-staple cotton fibers through blending; the cotton cloth layer is formed by weaving third warp yarns and third weft yarns, the third warp yarns are bamboo charcoal fiber yarns, and the third weft yarns are formed by interweaving fine denier polyester fibers and pima cotton blended yarns.
Furthermore, tough composite fibers are filled between the flame-retardant layer and the knitted layer.
Furthermore, heat-resistant composite fibers are filled between the knitting layer and the cotton cloth layer.
Furthermore, the lower surface of the cotton cloth layer is covered with a layer of flame-retardant film.
The invention provides a preparation method of a flame-retardant anti-molten drop multifunctional knitted fabric, which comprises the following steps:
step one, blending modacrylic fiber and flame-retardant anti-molten-drop polyester fiber to prepare first weft yarn, and then interweaving the first weft yarn and a first warp yarn modacrylic fiber yarn to obtain a flame-retardant base layer;
step two, sequentially adding 6-10 parts of melamine, 3-6 parts of triethanolamine, 15-25 parts of nano silicon dioxide and 15-25 parts of polyethylene glycol into 350 parts of water, heating and uniformly stirring, and then adjusting the pH value to 5-6 by using 12-16 parts of citric acid to obtain a modified solution I;
step three, placing the flame-retardant base layer obtained in the step one into the modification liquid I obtained in the step two for second soaking and second rolling, wherein the rolling residual rate is 70-80%, drying, shaping and cooling to obtain the flame-retardant layer;
step four, sequentially adding 5-6.8 parts of beta-1, 4-poly-glucosamine, 2.4-7.2 parts of isooctyl palmitate, 0.4-1.7 parts of lotus oil, 0.3-0.6 part of mint essential oil, 4-12 parts of citric acid, 20-30 parts of polyethylene glycol and 4-10 parts of sodium carbonate into 185 parts of water, heating and uniformly stirring, and naturally cooling to obtain a modified solution II;
step five, blending the polyester fiber and the long stapled cotton fiber into a second yarn II, and then weaving the second yarn II with the long stapled cotton fiber of the first yarn I by using a weft knitting machine to obtain a knitting base layer; meanwhile, the fine denier polyester fiber and the pima cotton are blended to form a third weft yarn, and the third weft yarn and the third warp yarn bamboo charcoal fiber yarn are interwoven to obtain a cotton cloth base layer;
step six, simultaneously dipping the knitted base layer and the cotton cloth base layer obtained in the step five into the modified liquid II obtained in the step four, heating to 45-50 ℃, continuously dipping for 35-45min, drying, shaping and cooling;
and seventhly, quilting the flame-retardant layer obtained in the third step and the knitted layer together through tough composite fibers, and connecting the quilted layer and the cotton cloth layer together through heat-resistant composite fibers or flame-retardant adhesives to obtain the flame-retardant anti-dripping multifunctional knitted fabric.
Further, in the second step, the heating temperature is 50-60 ℃.
Further, in the third step, the drying temperature is 100-.
Further, in the seventh step, the flame-retardant adhesive is one or more of resorcinol bis-diphenyl phosphate, hydroquinone bis-diphenyl phosphite, n-butyl bis-hydroxypropyl phosphine oxide, cyclooctyl hydroxypropyl phosphine oxide or ammonium polyphosphate.
Further, in the fourth step, the heating temperature is 55-65 ℃.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the flame-retardant anti-dripping multifunctional knitted fabric prepared by the invention can increase the viscosity of ash after combustion during combustion, thereby preventing dripping during combustion of the fabric. The flame-retardant layer adopts the modacrylic fiber and the flame-retardant anti-molten-drop polyester fiber as raw materials, so that the flame-retardant performance of the flame-retardant layer is improved, and the strength of the fabric is improved by the filled tough composite fiber; the heat-resistant composite fiber filled between the knitting layer and the cotton cloth layer increases the heat resistance of the knitting layer.
The preparation method of the flame-retardant anti-dripping multifunctional knitted fabric provided by the invention is simple in process, low in cost and wide in application prospect.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not to be construed as limiting the invention thereto. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The first aspect of the present embodiment provides a flame-retardant anti-dripping multifunctional knitted fabric, which includes a flame-retardant layer, a knitted layer, and a cotton layer; the flame-retardant layer is formed by interweaving first warp yarns and first weft yarns, the first warp yarns are modacrylic fiber yarns, and the first weft yarns are yarns formed by blending modacrylic fibers and flame-retardant anti-molten-drop polyester fibers; the knitting layer is formed by knitting a second yarn I and a second yarn II through a weft knitting machine, the second yarn I is made of long-staple cotton fibers, and the second yarn II is made of polyester fibers and long-staple cotton fibers through blending; the cotton cloth layer is formed by weaving third warp yarns and third weft yarns, the third warp yarns are bamboo charcoal fiber yarns, and the third weft yarns are formed by interweaving fine denier polyester fibers and pima cotton blended yarns.
As a preferable example, tough composite fibers are filled between the flame-retardant layer and the knitting layer.
As a preferable example, heat-resistant composite fibers are filled between the knitted layer and the cotton cloth layer.
As a preferable example, the lower surface of the cotton cloth layer is covered with a layer of flame-retardant film.
The second aspect of the present embodiment provides a method for preparing a flame-retardant anti-dripping multifunctional knitted fabric, including the following steps:
step one, blending modacrylic fiber and flame-retardant anti-molten-drop polyester fiber to prepare first weft yarn, and then interweaving the first weft yarn and a first warp yarn modacrylic fiber yarn to obtain a flame-retardant base layer;
step two, sequentially adding 6 parts of melamine, 3 parts of triethanolamine, 15 parts of nano silicon dioxide and 15 parts of polyethylene glycol into 250 parts of water, heating and uniformly stirring, and then adjusting the pH value to 5.5 by using 12 parts of citric acid to obtain a modified solution I;
step three, placing the flame-retardant base layer obtained in the step one in the modification liquid I obtained in the step two for second soaking and second rolling, wherein the rolling residual rate is 70%, drying, shaping and cooling to obtain the flame-retardant layer;
step four, sequentially adding 5 parts of beta-1, 4-poly-glucosamine, 2.4 parts of isooctyl palmitate, 0.4 part of jojoba oil, 0.3 part of mint essential oil, 4 parts of citric acid, 20 parts of polyethylene glycol and 4 parts of sodium carbonate into 185 parts of water, heating and uniformly stirring, and naturally cooling to obtain a modified solution II;
step five, blending the polyester fiber and the long stapled cotton fiber into a second yarn II, and then weaving the second yarn II with the long stapled cotton fiber of the second yarn I by using a weft knitting machine to obtain a knitting base layer; meanwhile, fine denier polyester fiber and pima cotton are blended and woven to form third weft yarn, and then the third weft yarn and the third warp yarn bamboo charcoal fiber are mutually woven to obtain a cotton cloth base layer;
step six, simultaneously dipping the knitted base layer and the cotton cloth base layer obtained in the step five into the modified liquid II obtained in the step four, heating to 45 ℃, continuously dipping for 45min, drying, shaping and cooling;
seventhly, quilting the flame-retardant layer obtained in the third step and the knitted layer together through tough composite fibers, and connecting the quilting layer and the cotton cloth layer together through heat-resistant composite fibers or flame-retardant adhesive to obtain the flame-retardant anti-dripping multifunctional knitted fabric
As a preferable example, in the second step, the heating temperature is 50 ℃.
As a preferred example, in the third step, the drying temperature is 100 ℃, and the setting temperature is 170 ℃.
As a preferable example, in the fourth step, the heating temperature is 55 ℃.
As a preferred example, in step seven, the flame-retardant adhesive is one or more of resorcinol bis-diphenyl phosphate, hydroquinone bis-diphenyl phosphite, n-butyl bis-hydroxypropyl phosphine oxide, cyclooctyl hydroxypropyl phosphine oxide or ammonium polyphosphate.
Example 2
The embodiment provides a preparation method of a flame-retardant anti-dripping multifunctional knitted fabric, which comprises the following steps:
step one, blending and weaving modacrylic fibers and flame-retardant anti-molten-drop polyester fibers to form first weft yarns, and then mutually weaving the first weft yarns and the first warp yarns to obtain a flame-retardant base layer;
step two, sequentially adding 8 parts of melamine, 5 parts of triethanolamine, 20 parts of nano silicon dioxide and 20 parts of polyethylene glycol into 300 parts of water, heating and uniformly stirring, and adjusting the pH value to 5.3 by using 14 parts of citric acid to obtain a modified solution I;
step three, placing the flame-retardant base layer obtained in the step one in the modification liquid I obtained in the step two for second soaking and second rolling, wherein the rolling residual rate is 75%, drying, shaping and cooling to obtain the flame-retardant layer;
step four, sequentially adding 5.4 parts of beta-1, 4-poly-glucosamine, 4.8 parts of isooctyl palmitate, 1.1 parts of jojoba oil, 0.45 part of mint essential oil, 8 parts of citric acid, 25 parts of polyethylene glycol and 7 parts of sodium carbonate into 190 parts of water, heating to 60 ℃, uniformly stirring, and naturally cooling to obtain a modified solution II;
step five, blending and weaving the polyester yarns and the long stapled cotton fibers into second yarns II, and weaving the second yarns II and the second yarns I with the long stapled cotton fibers by a weft knitting machine to obtain a knitting base layer; meanwhile, fine denier polyester fiber and pima cotton are blended and woven to form third weft yarn, and then the third weft yarn and the third warp yarn bamboo charcoal fiber are mutually woven to obtain a cotton cloth base layer;
step six, simultaneously dipping the knitted base layer and the cotton cloth base layer obtained in the step five into the modified liquid II obtained in the step four, heating to 47 ℃, continuously dipping for 40min, drying, shaping and cooling;
and seventhly, quilting the flame-retardant layer obtained in the third step and the knitted layer together through tough composite fibers, and connecting the quilted layer and the cotton cloth layer together through heat-resistant composite fibers or flame-retardant adhesives to obtain the flame-retardant anti-dripping multifunctional knitted fabric.
As a preferable example, in the second step, the heating temperature is 55 ℃.
As a preferred example, in the third step, the drying temperature is 110 ℃ and the setting temperature is 150 ℃.
As a preferable example, in the fourth step, the heating temperature is 60 ℃.
As a preferred example, in step seven, the flame-retardant adhesive is one or more of resorcinol bis-diphenyl phosphate, hydroquinone bis-diphenyl phosphite, n-butyl bis-hydroxypropyl phosphine oxide, cyclooctyl hydroxypropyl phosphine oxide or ammonium polyphosphate.
Example 3
The embodiment provides a preparation method of a flame-retardant anti-dripping multifunctional knitted fabric, which comprises the following steps:
step one, blending and weaving modacrylic fibers and flame-retardant anti-molten-drop polyester fibers to form first weft yarns, and then mutually weaving the first weft yarns and the first warp yarns to obtain a flame-retardant base layer;
step two, sequentially adding 10 parts of melamine, 6 parts of triethanolamine, 25 parts of nano silicon dioxide and 25 parts of polyethylene glycol into 350 parts of water, heating and uniformly stirring, and adjusting the pH value to 5 by using 16 parts of citric acid to obtain a modified solution I;
step three, placing the flame-retardant base layer obtained in the step one in the modification liquid I obtained in the step two for second soaking and second rolling, wherein the rolling residual rate is 80%, drying, shaping and cooling to obtain the flame-retardant layer;
step four, sequentially adding 6.8 parts of beta-1, 4-poly-glucosamine, 7.2 parts of isooctyl palmitate, 1.7 parts of jojoba oil, 0.6 part of mint essential oil, 12 parts of citric acid, 30 parts of polyethylene glycol and 10 parts of sodium carbonate into 195 parts of water, heating to 65 ℃, uniformly stirring, and naturally cooling to obtain a modified solution II;
and step five, blending and weaving the polyester yarns and the long stapled cotton fibers into second yarns II, and then weaving the second yarns II with the long stapled cotton fibers of the second yarns I. Knitting by a weft knitting machine to obtain a knitting base layer; meanwhile, fine denier polyester fiber and pima cotton are blended and woven to form third weft yarn, and then the third weft yarn and the third warp yarn bamboo charcoal fiber are mutually woven to obtain a cotton cloth base layer;
step six, simultaneously dipping the knitted base layer and the cotton cloth base layer obtained in the step five into the modified liquid II obtained in the step four, heating to 50 ℃, continuously dipping for 35min, drying, shaping and cooling;
and seventhly, quilting the flame-retardant layer obtained in the third step and the knitted layer together through tough composite fibers, and connecting the quilted layer and the cotton cloth layer together through heat-resistant composite fibers or flame-retardant adhesives to obtain the flame-retardant anti-dripping multifunctional knitted fabric.
As a preferable example, in the second step, the heating temperature is 60 ℃.
As a preferred example, in the third step, the drying temperature is 120 ℃ and the setting temperature is 175 ℃.
As a preferable example, in the fourth step, the heating temperature is 65 ℃.
As a preferred example, in step seven, the flame-retardant adhesive is one or more of resorcinol bis-diphenyl phosphate, hydroquinone bis-diphenyl phosphite, n-butyl bis-hydroxypropyl phosphine oxide, cyclooctyl hydroxypropyl phosphine oxide or ammonium polyphosphate.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications or alterations to this practice will occur to those skilled in the art and are intended to be within the scope of this invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims (9)

1. The flame-retardant anti-dripping multifunctional knitted fabric is characterized by comprising a flame-retardant layer, a knitted layer and a cotton cloth layer; the flame-retardant layer is formed by interweaving first warp yarns and first weft yarns, the first warp yarns are modacrylic fiber yarns, and the first weft yarns are yarns formed by blending modacrylic fibers and flame-retardant anti-molten-drop polyester fibers; the knitted layer is formed by knitting a second yarn I and a second yarn II through a warp and weft knitting machine, the second yarn I is long-staple cotton fiber, and the second yarn II is polyester fiber and long-staple cotton fiber in a blending mode; the cotton cloth layer is formed by weaving third warp yarns and third weft yarns, the third warp yarns are bamboo charcoal fiber yarns, and the third weft yarns are formed by interweaving fine denier polyester fibers and pima cotton blended yarns.
2. The flame-retardant anti-dripping multifunctional knitted fabric according to claim 1, wherein tough composite fibers are filled between the flame-retardant layer and the knitted layer.
3. The flame-retardant anti-dripping multifunctional knitted fabric according to claim 1, wherein heat-resistant composite fibers are filled between the knitted layer and the cotton cloth layer.
4. The flame-retardant anti-dripping multifunctional knitted fabric according to claim 1, wherein the lower surface of the cotton cloth layer is further covered with a flame-retardant film.
5. The method for preparing a flame-retardant anti-dripping multifunctional knitted fabric according to any one of claims 1 to 4, comprising the steps of:
step one, blending modacrylic fiber and flame-retardant anti-molten-drop polyester fiber to prepare first weft yarn, and then interweaving the first weft yarn and a first warp yarn modacrylic fiber yarn to obtain a flame-retardant base layer;
step two, sequentially adding 6-10 parts of melamine, 3-6 parts of triethanolamine, 15-25 parts of nano silicon dioxide and 15-25 parts of polyethylene glycol into 350 parts of water, heating and uniformly stirring, and then adjusting the pH value to 5-6 by using 12-16 parts of citric acid to obtain a modified solution I;
step three, placing the flame-retardant base layer obtained in the step one into the modification liquid I obtained in the step two for second soaking and second rolling, wherein the rolling residual rate is 70-80%, drying, shaping and cooling to obtain the flame-retardant layer;
step four, sequentially adding 5-6.8 parts of beta-1, 4-poly-glucosamine, 2.4-7.2 parts of isooctyl palmitate, 0.4-1.7 parts of lotus oil, 0.3-0.6 part of mint essential oil, 4-12 parts of citric acid, 20-30 parts of polyethylene glycol and 4-10 parts of sodium carbonate into 185 parts of water, heating and uniformly stirring, and naturally cooling to obtain a modified solution II;
step five, blending the polyester fiber and the long stapled cotton fiber into a second yarn II, and then weaving the second yarn II with the long stapled cotton fiber of the second yarn I by using a weft knitting machine to obtain a knitting base layer; meanwhile, the fine denier polyester fiber and the pima cotton are blended to form a third weft yarn, and the third weft yarn and the third warp yarn bamboo charcoal fiber yarn are interwoven to obtain a cotton cloth base layer;
step six, simultaneously dipping the knitted base layer and the cotton cloth base layer obtained in the step five into the modified liquid II obtained in the step four, heating to 45-50 ℃, continuously dipping for 35-45min, drying, shaping and cooling;
and seventhly, quilting the flame-retardant layer obtained in the third step and the knitted layer together through tough composite fibers, and connecting the quilted layer and the cotton cloth layer together through heat-resistant composite fibers or flame-retardant adhesives to obtain the flame-retardant anti-dripping multifunctional knitted fabric.
6. The preparation method of the flame-retardant anti-dripping multifunctional knitted fabric according to claim 5, wherein in the second step, the heating temperature is 50-60 ℃.
7. The method for preparing the flame-retardant and anti-dripping multifunctional knitted fabric according to claim 5, wherein in the third step, the drying temperature is 100-120 ℃, and the setting temperature is 125-175 ℃.
8. The preparation method of the flame-retardant anti-dripping multifunctional knitted fabric according to claim 5, wherein in the fourth step, the heating temperature is 55-65 ℃.
9. The method for preparing the flame-retardant anti-dripping multifunctional knitted fabric according to claim 5, wherein in the seventh step, the flame-retardant adhesive is one or more of resorcinol bis-diphenyl phosphate, hydroquinone bis-diphenyl phosphite, n-butyl bis-hydroxypropyl phosphine oxide, cyclooctyl hydroxypropyl phosphine oxide or ammonium polyphosphate.
CN202111669975.XA 2021-12-30 2021-12-30 Flame-retardant anti-dripping multifunctional knitted fabric and preparation method thereof Pending CN114407451A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580979A (en) * 2008-05-16 2009-11-18 中国纺织科学研究院 Fire-retardant anti-molten droplet fiber, method for preparing same and application thereof
CN201738090U (en) * 2010-07-14 2011-02-09 山东泰丰纺织有限公司 Bamboo charcoal fiber, pima cotton and fine denier tencel jacquard fabric
CN105172247A (en) * 2015-09-08 2015-12-23 泉州迈特富纺织科技有限公司 Fireproof flame retardant anti-bacterial fabric as well as preparation method and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580979A (en) * 2008-05-16 2009-11-18 中国纺织科学研究院 Fire-retardant anti-molten droplet fiber, method for preparing same and application thereof
CN201738090U (en) * 2010-07-14 2011-02-09 山东泰丰纺织有限公司 Bamboo charcoal fiber, pima cotton and fine denier tencel jacquard fabric
CN105172247A (en) * 2015-09-08 2015-12-23 泉州迈特富纺织科技有限公司 Fireproof flame retardant anti-bacterial fabric as well as preparation method and application thereof

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