CN115162003A - Preparation method of high-hygroscopicity polyester fabric - Google Patents
Preparation method of high-hygroscopicity polyester fabric Download PDFInfo
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- CN115162003A CN115162003A CN202210902668.XA CN202210902668A CN115162003A CN 115162003 A CN115162003 A CN 115162003A CN 202210902668 A CN202210902668 A CN 202210902668A CN 115162003 A CN115162003 A CN 115162003A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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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
- 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
- D06M13/244—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 sulfur or phosphorus
- D06M13/248—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 sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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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
- 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
- D06M15/13—Alginic acid or derivatives thereof
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
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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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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/31—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated nitriles
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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
- 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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Abstract
The invention discloses a preparation method of a high-hygroscopicity polyester fabric, which comprises the steps of mixing acrylic acid, styrene and potassium persulfate to prepare a polyacrylic acid-styrene copolymer, mixing the polyacrylic acid-styrene copolymer with sodium alginate raw paste, a synthetic acrylic acid thickener, an acrylic acid-polyurethane adhesive, an acrylamide anti-migration agent and methylene bis (methyl) naphthalene sulfonate to prepare printing paste, carrying out blade coating and pulp drawing on the polyester fabric placed under a flat screen plate to form a slurry drawing board on the surface of the polyester fabric, taking down the polyester fabric, drying, washing with warm water and drying again to obtain the printing fabric, namely the high-hygroscopicity polyester fabric. The invention has the advantages that: based on the structure of the polyester fabric, blending is not needed, and printing paste of hygroscopic resin is applied to the polyester fabric through a printing process, so that the polyester fabric is endowed with excellent high hygroscopicity.
Description
Technical Field
The invention relates to the technical field of textile production, in particular to a preparation method of a polyester fabric.
Background
The towel is used as a daily necessity for wiping off moisture after washing the face and hands, so the moisture absorption is the most basic performance of the towel, and the better the moisture absorption is, and the better the feeling is in the using process.
The polyester towel occupies a large market share in the towel, but the polyester towel has poor moisture absorption and insufficient air permeability due to the structural characteristics of the polyester fabric. At present, terylene and other materials are often blended in the market to improve the moisture absorption of terylene fabrics, but the method can not solve the problem fundamentally.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a preparation method of a polyester fabric, which has super-strong hygroscopicity.
The technical scheme is as follows: a preparation method of a high-hygroscopicity polyester fabric comprises the following steps:
step S10: combing, ironing and shearing the terylene grey cloth, and presetting for later use;
step S20: uniformly premixing acrylic acid, styrene and potassium persulfate, stirring and uniformly mixing in a constant-temperature water bath to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use;
step S30: mixing and stirring sodium alginate raw paste, a synthetic acrylic thickener, an acrylic acid-polyurethane adhesive, an acrylamide anti-migration agent and sodium methylene bis (methylnaphthalene) sulfonate with the product obtained in the step S20 to obtain paste to obtain printing paste;
step S40: placing the polyester fabric obtained in the step S10 under a flat screen plate, carrying out blade coating and pulp drawing on the flat screen plate by using a printing paste material, and forming a pulp drawing board on the surface of the polyester fabric;
step S50: and (4) taking down the polyester fabric obtained in the step (S40) from the flat screen plate, and drying, washing with warm water, and drying again to obtain the printed fabric, namely the high-hygroscopicity polyester fabric.
Further, in step S20: the acrylic acid and the styrene are mixed according to the molar ratio of 2:1-3:1, and the amount of the potassium persulfate is 0.5-0.8 percent of the mass sum of the acrylic acid and the styrene;
the chemical structural formula of the polyacrylic acid-styrene copolymer is shown in the specification
Wherein the copolymerization ratio m/n =0.466 to 0.382.
Further, in step S20, stirring and mixing uniformly in a constant temperature water bath, specifically: stirring for 0.5-1 h in a constant-temperature water bath at 50-80 ℃, uniformly mixing, then raising the temperature to 70-90 ℃ under stirring, preserving the heat for 0.5-2 h, and then continuously raising the temperature to 80-100 ℃ and preserving the heat for 3-8 h.
Further, in step S30: based on the mass of the sodium alginate raw paste as 100%, the dosage of the synthetic acrylic thickener is 1-4%, the dosage of the acrylic acid-polyurethane adhesive is 0.5-1%, the dosage of the acrylamide anti-migration agent is 0.5-1%, the dosage of the sodium methylenebismethylnaphthalene sulfonate is 0.5-1%, and the dosage of the product obtained in the step S20 is 0.5-4%.
Further, in step S30: the sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%;
the synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 20-30 parts of ethyl acrylate, 15-25 parts of methacrylic acid, 1-10 parts of stearyl alcohol allyl ether, 0.1-2 parts of butylene diacrylate, 1-3 parts of Span-80, 0.25-1 part of ammonium persulfate and 50 parts of distilled water;
the acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 5 to 15 parts of butyl acrylate, 5 to 20 parts of ethyl acrylate, 5 to 20 parts of acrylonitrile, 0.2 to 1 part of acrylic acid, 5 to 20 parts of polyurethane, 2 to 5 parts of sodium dodecyl sulfate, 0.01 to 0.5 part of ammonium persulfate and 35 to 60 parts of distilled water;
the molecular formula of the acrylamide migration inhibitor is
Further, in step S40: the area of the pulp pattern plate accounts for 50-80% of the surface area of the polyester fabric, and the pulp pattern plate can be arranged into different patterns according to the requirement.
Further, in step S50: the drying is carried out in an oven at the temperature of between 90 and 120 ℃ and then at the temperature of between 160 and 180 ℃ for 1 to 5min; the warm water washing is carried out for 5-30 min at the temperature of 40-60 ℃ and the bath ratio of 1.
The principle of the invention is as follows: the printing paste is water-absorbent resin, is a water-insoluble high polymer material with a certain degree of crosslinking, contains a large number of hydrophilic groups and a three-dimensional network structure, has strong water absorption capacity and water retention capacity, and can greatly increase the moisture absorption capacity of the polyester fabric by introducing a small amount of printing paste onto the polyester fabric.
Has the advantages that: the invention has the advantages that: based on the structure of the polyester fabric, blending is not needed, and printing paste of hygroscopic resin is applied to the polyester fabric through a printing process, so that the polyester fabric is endowed with excellent high hygroscopicity.
Detailed Description
The invention will be further elucidated with reference to the following specific examples.
Example 1
A preparation method of a high-hygroscopicity polyester fabric specifically comprises the following steps:
step S10: the terylene grey cloth is combed, ironed and sheared, and pre-shaped for standby.
Step S20: taking 100g of acrylic acid and styrene and 0.6g of potassium persulfate according to the molar ratio of 2:1, premixing uniformly, stirring for 0.5h in a constant-temperature water bath at 70 ℃, mixing uniformly, then raising the temperature to 80 ℃ and preserving the heat for 1h while stirring, then continuously raising the temperature to 90 ℃ and preserving the heat for 5h to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use.
Step S30: mixing and stirring 100g of sodium alginate raw paste, 3g of synthetic acrylic thickener, 0.5g of acrylic acid-polyurethane adhesive, 0.5g of acrylamide migration inhibitor, 0.8g of sodium methylenebismethylnaphthalene sulfonate as a dispersing agent and 3g of the product obtained in the step S20 into rice paste to obtain the printing paste.
The sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%.
The synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 25 parts of ethyl acrylate, 20 parts of methacrylic acid, 5 parts of stearyl alcohol allyl ether, 1 part of bis-butyl acrylate, 1 part of Span-80, 0.25 part of ammonium persulfate and 50 parts of distilled water.
The acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 5 parts of butyl acrylate, 5 parts of ethyl acrylate, 8 parts of acrylonitrile, 0.3 part of acrylic acid, 10 parts of polyurethane, 2 parts of sodium dodecyl sulfate, 0.08 part of ammonium persulfate and 35 parts of distilled water.
Step S40: cutting the polyester fabric obtained in the step S10 into a size of 37 multiplied by 81cm, placing the polyester fabric under a flat screen plate, scraping and drawing the flat screen plate by using printing paste to form 21 regularly arranged 10 multiplied by 10cm pulp pattern plates on the surface of the polyester fabric.
Step S50: and taking the polyester fabric obtained in the step S40 down from the flat screen plate, putting the polyester fabric into an oven, drying the polyester fabric at 110 ℃, then drying the polyester fabric at 180 ℃ for 1min, washing the polyester fabric with warm water with a bath ratio of 1.
Example 2
A preparation method of a high-hygroscopicity polyester fabric specifically comprises the following steps:
step S10: the terylene grey cloth is combed, ironed and sheared, and pre-shaped for standby.
Step S20: taking 100g of acrylic acid and styrene and 0.8g of potassium persulfate according to the molar ratio of 3:1, premixing uniformly, stirring for 0.5h in a constant-temperature water bath at 70 ℃, mixing uniformly, then raising the temperature to 80 ℃ and preserving the heat for 1h while stirring, then continuously raising the temperature to 90 ℃ and preserving the heat for 5h to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use.
Step S30: mixing and stirring 100g of sodium alginate raw paste, 3g of synthetic acrylic thickener, 0.5g of acrylic acid-polyurethane adhesive, 0.8g of acrylamide migration inhibitor, 0.6g of sodium methylenebismethylnaphthalene sulfonate as a dispersing agent and 3g of the product obtained in the step S20 into rice paste to obtain the printing paste.
The sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%.
The synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 25 parts of ethyl acrylate, 20 parts of methacrylic acid, 5 parts of stearyl alcohol allyl ether, 1 part of bis-butyl acrylate, span-80 parts, 0.3 part of ammonium persulfate and 50 parts of distilled water.
The acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 13.5 parts of butyl acrylate, 16.5 parts of ethyl acrylate, 15 parts of acrylonitrile, 0.7 part of acrylic acid, 15 parts of polyurethane, 3 parts of sodium dodecyl sulfate, 0.35 part of ammonium persulfate and 60 parts of distilled water.
Step S40: cutting the polyester fabric obtained in the step S10 into a size of 37 multiplied by 81cm, placing the polyester fabric under a flat screen plate, carrying out blade coating and pulp drawing on the flat screen plate by using printing paste, and forming 21 regularly arranged pulp pattern plates of 10 multiplied by 10cm on the surface of the polyester fabric.
Step S50: and (4) taking down the polyester fabric obtained in the step (S40) from the flat screen plate, putting the polyester fabric in an oven, drying the polyester fabric at 110 ℃, then drying the polyester fabric at 180 ℃ for 1min, washing the polyester fabric with warm water at 50 ℃ for 10min at a bath ratio of 1.
Example 3
A preparation method of a high-hygroscopicity polyester fabric specifically comprises the following steps:
step S10: the terylene grey cloth is combed, ironed and sheared, and pre-shaped for standby.
Step S20: taking 100g of acrylic acid and styrene and 0.6g of potassium persulfate according to the molar ratio of 2:1, premixing uniformly, stirring for 0.5h in a constant-temperature water bath at 70 ℃, mixing uniformly, then raising the temperature to 80 ℃ and preserving the heat for 1h while stirring, then continuously raising the temperature to 90 ℃ and preserving the heat for 5h to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use.
Step S30: mixing and stirring 100g of sodium alginate raw paste, 3g of synthetic acrylic thickener, 0.5g of acrylic acid-polyurethane adhesive, 0.5g of acrylamide migration inhibitor, 0.8g of sodium methylenebismethylnaphthalene sulfonate as a dispersing agent and 3g of the product obtained in the step S20 into rice paste to obtain the printing paste.
The sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%.
The synthetic acrylic acid thickener is prepared by mixing the following raw materials in parts by weight: 25 parts of ethyl acrylate, 20 parts of methacrylic acid, 5 parts of stearyl alcohol allyl ether, 1 part of bis-butyl acrylate, span-80 parts, 0.5 part of ammonium persulfate and 50 parts of distilled water.
The acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 9 parts of butyl acrylate, 11 parts of ethyl acrylate, 10 parts of acrylonitrile, 0.6 part of acrylic acid, 14 parts of polyurethane, 2.5 parts of sodium dodecyl sulfate, 0.26 part of ammonium persulfate and 45 parts of distilled water.
Step S40: cutting the polyester fabric obtained in the step S10 into a size of 37 multiplied by 81cm, placing the polyester fabric under a flat screen plate, carrying out blade coating and pulp drawing on the flat screen plate by using printing paste, and forming 21 regularly arranged pulp pattern plates of 10 multiplied by 10cm on the surface of the polyester fabric.
Step S50: and (3) taking down the polyester fabric obtained in the step (S40) from the flat screen plate, putting the polyester fabric in an oven, drying the polyester fabric at 100 ℃, then drying the polyester fabric at 160 ℃ for 1min, washing the polyester fabric with warm water at 50 ℃ in a bath ratio of 1.
Example 4
A preparation method of a high-hygroscopicity polyester fabric specifically comprises the following steps:
step S10: the terylene grey cloth is combed, scalded and sheared, and pre-shaped for standby.
Step S20: taking 100g of acrylic acid and styrene and 0.8g of potassium persulfate according to the molar ratio of 3:1, premixing uniformly, stirring for 0.5h in a constant-temperature water bath at 70 ℃, mixing uniformly, then raising the temperature to 80 ℃ and preserving the heat for 1h while stirring, then continuously raising the temperature to 90 ℃ and preserving the heat for 5h to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use.
Step S30: mixing and stirring 100g of sodium alginate raw paste, 3g of synthetic acrylic thickener, 0.5g of acrylic acid-polyurethane adhesive, 0.8g of acrylamide migration inhibitor, 0.6g of sodium methylenebismethylnaphthalene sulfonate as a dispersing agent and 3g of the product obtained in the step S20 into rice paste to obtain the printing paste.
The sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%.
The synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 25 parts of ethyl acrylate, 20 parts of methacrylic acid, 5 parts of stearyl alcohol allyl ether, 2 parts of bis-butyl acrylate, span-80 parts, 0.4 part of ammonium persulfate and 50 parts of distilled water.
The acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 11.6 parts of butyl acrylate, 16.4 parts of ethyl acrylate, 12 parts of acrylonitrile, 0.6 part of acrylic acid, 15 parts of polyurethane, 3 parts of sodium dodecyl sulfate, 0.24 part of ammonium persulfate and 48 parts of distilled water.
Step S40: cutting the polyester fabric obtained in the step S10 into a size of 37 multiplied by 81cm, placing the polyester fabric under a flat screen plate, carrying out blade coating and pulp drawing on the flat screen plate by using printing paste, and forming 21 regularly arranged pulp pattern plates of 10 multiplied by 10cm on the surface of the polyester fabric.
Step S50: and (4) taking down the polyester fabric obtained in the step (S40) from the flat screen plate, putting the polyester fabric in an oven, drying at 100 ℃, then drying at 160 ℃ for 1min, washing with warm water at 50 ℃ and a bath ratio of 1.
In the above embodiments:
(1) Preparing raw materials of the printing paste, and selecting the raw materials based on the following types and proportions:
the acrylic acid and the styrene are mixed according to the molar ratio of 2:1-3:1, and the amount of the potassium persulfate is 0.5-0.8 percent of the mass sum of the acrylic acid and the styrene;
based on the mass of the sodium alginate raw paste as 100%, the using amount of the synthetic acrylic acid thickening agent is 1-4%, the using amount of the acrylic acid-polyurethane adhesive is 0.5-1%, the using amount of the acrylamide anti-migration agent is 0.5-1%, the using amount of the sodium methylene bis-methylnaphthalene sulfonate is 0.5-1%, and the using amount of the product obtained in the step S20 is 0.5-4%;
wherein: the sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%;
the synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 20-30 parts of ethyl acrylate, 15-25 parts of methacrylic acid, 1-10 parts of stearyl alcohol allyl ether, 0.1-2 parts of butylene diacrylate, 1-3 parts of Span-80, 0.25-1 part of ammonium persulfate and 50 parts of distilled water;
the acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 5 to 15 parts of butyl acrylate, 5 to 20 parts of ethyl acrylate, 5 to 20 parts of acrylonitrile, 0.2 to 1 part of acrylic acid, 5 to 20 parts of polyurethane, 2 to 5 parts of sodium dodecyl sulfate, 0.01 to 0.5 part of ammonium persulfate and 35 to 60 parts of distilled water;
the molecular formula of the acrylamide migration inhibitor is
(2) The chemical structural formula of the polyacrylic acid-styrene copolymer is
Wherein, the copolymerization ratio m/n = 0.466-0.382, when the acrylic acid and the styrene are mixed according to the molar ratio 2:1, the copolymerization ratio m/n =0.466, when the acrylic acid and the styrene are mixed according to the molar ratio 3:1, the copolymerization ratio m/n =0.382;
(3) The area of the sizing material drawing board on the polyester fabric accounts for 50-80%, and the sizing material drawing board can be set into different patterns according to requirements.
The polyester greige cloth taken in the example is marked as sample 0.
And (3) respectively carrying out the hygroscopicity test on each sample by adopting a vertical wet conductivity method, measuring each sample for 5 times, taking an average value, and referring to the test result in table 1.
TABLE 1
According to the capillary effect, after the polyester fabric is finished by the polyacrylic acid-styrene copolymer, the capillary effect of the polyester fabric is stronger than the moisture absorption of the polyester grey cloth, and the moisture absorption of the polyester fabric prepared by the method is obviously improved.
Claims (7)
1. A preparation method of a high-hygroscopicity polyester fabric is characterized by comprising the following steps:
step S10: combing, ironing, polishing, ironing and shearing the terylene grey cloth, and presetting for later use;
step S20: uniformly premixing acrylic acid, styrene and potassium persulfate, stirring and uniformly mixing in a constant-temperature water bath to obtain a polyacrylic acid-styrene copolymer, washing with warm water, and drying in vacuum for later use;
step S30: mixing and stirring sodium alginate raw paste, a synthetic acrylic thickener, an acrylic acid-polyurethane adhesive, an acrylamide anti-migration agent and sodium methylene bis (methylnaphthalene) sulfonate with the product obtained in the step S20 to obtain paste to obtain printing paste;
step S40: placing the polyester fabric obtained in the step S10 under a flat screen plate, carrying out blade coating and pulp drawing on the flat screen plate by using a printing paste material, and forming a pulp drawing board on the surface of the polyester fabric;
step S50: and (4) taking down the polyester fabric obtained in the step (S40) from the flat screen plate, and drying, washing with warm water, and drying again to obtain the printed fabric, namely the high-hygroscopicity polyester fabric.
2. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S20: the acrylic acid and the styrene are mixed according to the molar ratio of 2:1-3:1, and the amount of the potassium persulfate is 0.5-0.8 percent of the mass sum of the acrylic acid and the styrene;
the chemical structural formula of the polyacrylic acid-styrene copolymer is shown in the specification
Wherein the copolymerization ratio m/n =0.466 to 0.382.
3. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S20, stirring and mixing uniformly in a constant temperature water bath, specifically: stirring for 0.5-1 h in a constant-temperature water bath at 50-80 ℃, uniformly mixing, then raising the temperature to 70-90 ℃ under stirring, preserving the heat for 0.5-2 h, and then continuously raising the temperature to 80-100 ℃ and preserving the heat for 3-8 h.
4. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S30: based on the mass of the sodium alginate raw paste as 100%, the dosage of the synthetic acrylic thickener is 1-4%, the dosage of the acrylic acid-polyurethane adhesive is 0.5-1%, the dosage of the acrylamide anti-migration agent is 0.5-1%, the dosage of the sodium methylenebismethylnaphthalene sulfonate is 0.5-1%, and the dosage of the product obtained in the step S20 is 0.5-4%.
5. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S30: the sodium alginate raw paste is prepared by dissolving sodium alginate solid in water, and the mass concentration is 5%;
the synthetic acrylic acid thickening agent is prepared by mixing the following raw materials in parts by weight: 20-30 parts of ethyl acrylate, 15-25 parts of methacrylic acid, 1-10 parts of stearyl alcohol allyl ether, 0.1-2 parts of butylene diacrylate, 1-3 parts of Span-80, 0.25-1 part of ammonium persulfate and 50 parts of distilled water;
the acrylic acid-polyurethane adhesive is prepared by mixing the following raw materials in parts by weight: 5 to 15 parts of butyl acrylate, 5 to 20 parts of ethyl acrylate, 5 to 20 parts of acrylonitrile, 0.2 to 1 part of acrylic acid, 5 to 20 parts of polyurethane, 2 to 5 parts of sodium dodecyl sulfate, 0.01 to 0.5 part of ammonium persulfate and 35 to 60 parts of distilled water;
the molecular formula of the acrylamide migration inhibitor is
6. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S40: the area of the sizing material drawing board accounts for 50-80% of the surface area of the polyester fabric.
7. The method for preparing a polyester fabric with high hygroscopicity as claimed in claim 1, wherein the method comprises the following steps: in step S50: the drying is carried out in an oven at the temperature of between 90 and 120 ℃ and then at the temperature of between 160 and 180 ℃ for 1 to 5min; the warm water washing is carried out for 5-30 min at the temperature of 40-60 ℃ and the bath ratio of 1.
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| CN110699989A (en) * | 2019-10-25 | 2020-01-17 | 嘉兴市秀洲恒丰纺织有限公司 | Dyeing, moisturizing and finishing process for thin polyester fabric |
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| US20120152459A1 (en) * | 2010-12-16 | 2012-06-21 | Basf Se | Styrene-Acrylic-Based Binders and Methods of Preparing and Using Same |
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