CN114960197A - Anti-pilling elastic fabric and preparation method thereof - Google Patents

Anti-pilling elastic fabric and preparation method thereof Download PDF

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Publication number
CN114960197A
CN114960197A CN202210744560.2A CN202210744560A CN114960197A CN 114960197 A CN114960197 A CN 114960197A CN 202210744560 A CN202210744560 A CN 202210744560A CN 114960197 A CN114960197 A CN 114960197A
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fabric
mass
pilling
cotton fiber
mass ratio
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徐微
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Individual
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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
    • D06M13/10—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
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/203—Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
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    • D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
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    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 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
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    • D06M11/51—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 sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/53—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 sulfur, selenium, tellurium, polonium or compounds thereof with hydrogen sulfide or its salts; with polysulfides
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    • D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
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    • D06M11/77—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
    • 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
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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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    • D06M13/248—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
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    • D06M2101/02—Natural fibres, other than mineral fibres
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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses an anti-pilling elastic fabric and a preparation method thereof, and relates to the technical field of textiles. According to the invention, acrylic acid, N-butyl-4-hydroxybutylamine, methanesulfonyl chloride and 8-bromo-1-octyne are used for modifying cotton fibers, so that the elasticity of the fabric is improved; then blending and weaving the fabric with epoxy resin fibers, and performing baking treatment twice to restrain the movement of the fibers, improve the surface crosslinking degree and improve the elasticity and the shrinkproof property of the fabric; then, utilizing plasma to enable the hydrolysate of the ethyl orthosilicate and the basic fabric to form a nano interface, filling short velvet gaps to prevent mutual friction of the velvet, introducing titanate and vinyltrimethoxysilane to form silicon-titanium sol, wrapping the bottom velvet, improving the pilling resistance of the fabric, and then conducting singeing treatment to form an inorganic network structure, so that the fabric is not prone to fluffing when being subjected to external force friction. The fabric prepared by the invention has the effects of elasticity, shrinkproof and pilling resistance.

Description

Anti-pilling elastic fabric and preparation method thereof
Technical Field
The invention relates to the technical field of textiles, in particular to an anti-pilling elastic fabric and a preparation method thereof.
Background
With the development of science and technology and the improvement of the living standard of consumers, the structure of textile products is continuously improved, and the requirement of people on the comfort of textiles is higher and higher. The cotton fiber is widely applied to the fields of clothes, decorative textiles and the like due to the characteristics of softness, bulkiness, easy dyeing and the like. However, the elasticity of cotton fiber fabrics is poor, the use added value of the fabrics is reduced, in order to improve the elasticity performance of the fabrics, an amide formaldehyde finishing agent is usually adopted for finishing, but free formaldehyde is generated when the finishing agent is used, and the fabric is harmful to human bodies after being worn for a long time.
In addition, the surface of the common cotton fiber contains rich fluff, the fiber cohesion is small, after repeated friction, the common cotton fiber is easy to slip outwards from a yarn body and intertwine into wool balls, the appearance is affected, and the cotton fabric is not easy to fall off after pilling, so that the cotton fabric has serious pilling phenomena. The existing treatment process mainly aims at improving the yarn structure and the weave structure of the fabric, but has weak treatment effect and influences the appearance and the hand feeling of the fabric.
Disclosure of Invention
The invention aims to provide an anti-pilling elastic fabric and a preparation method thereof, and aims to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the anti-pilling stretch fabric is prepared by the following method, modified cotton fibers and epoxy resin fibers are blended and woven into a base fabric; then, baking treatment and anti-pilling treatment are carried out twice.
Furthermore, the modified cotton fiber is prepared from acrylic acid, cotton fiber, N-butyl-4-hydroxybutylamine, methanesulfonyl chloride and 8-bromo-1-octyne.
Further, the two baking treatments are respectively a first baking treatment: baking the base fabric at a specific temperature for a period of time; and (3) second baking treatment: and (3) baking for a period of time at the same temperature under the assistance of ultraviolet light.
Further, the anti-pilling treatment comprises the steps of carrying out plasma treatment on the fabric precursor and an ethyl orthosilicate solution for a period of time in a helium atmosphere, cooling, adding butyl titanate and vinyl trimethoxy silane, carrying out ultrasonic oscillation, adding diisopropyl peroxydicarbonate, fishing out, curing and singeing.
Further, the preparation method of the anti-pilling stretch fabric comprises the following preparation steps:
(1) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:0.8: 8.6-1: 1.3:12.0, adding a methanesulfonyl chloride solution with the mass of 3.5-4.2 times of that of the pretreated cotton fiber at 0-4 ℃, wherein the mass ratio of methanesulfonyl chloride to dichloromethane in the methanesulfonyl chloride solution is 1: 1.0-1: 2.1, reacting for 1-4 hours at constant temperature, heating to 32-46 ℃, reacting for 2-5 hours, adding a saturated sodium thiosulfate solution with the mass of 4-6 times of that of the pretreated cotton fiber, stirring uniformly, fishing out, washing for 3-5 times with deionized water and saturated saline water in sequence, then adding anhydrous ethanol and sodium hydrosulfide according to the mass ratio of 5.1: 1-6.4: 1, reacting for 1.5-3 hours at 74-82 ℃, cooling to room temperature, washing with deionized water for 4-6 times, obtaining sulfhydrylation cotton fiber;
(2) mixing sulfhydrylation cotton fiber, sodium hydride and tetrahydrofuran according to the mass ratio of 1:0.1: 4-1: 0.2:6, placing the mixture in an ice water bath, stirring the mixture for 20-36 min, adding 8-bromo-1-octyne which is 0.3-0.7 times of the mass of the sulfhydrylation cotton fiber, reacting the mixture for 2-5 h, adding deionized water which is 11.2-13.0 times of the mass of the sulfhydrylation cotton fiber and ethyl acetate which is 10.0-11.6 times of the mass of the sulfhydrylation cotton fiber, stirring the mixture for 30-48 min, fishing out the mixture, and washing the mixture for 4-6 times by using a saturated sodium chloride solution to obtain modified cotton fiber;
(3) blending the modified cotton fibers and the E03 epoxy resin fibers of 6.2-8.4 tex according to the mass ratio of 4: 1-6: 1, and weaving to obtain the fabric with the gram weight of 140-160 g/m 2 The base fabric of (1); baking the base fabric for 2-10 min, spraying a photoinitiator 1173 with the mass of 0.0001-0.0003 times of that of the base fabric, and baking for 2-5 hours at 300-400W to obtain a fabric precursor;
(4) mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1: 0.6-1: 2.1, carrying out plasma treatment for 3-6 h at 148-160 ℃ and 30-50W in a helium atmosphere, cooling to 62-78 ℃, adding butyl titanate with the mass of 0.06-0.3 times that of the fabric precursor, vinyl trimethoxy silane with the mass of 0.1-0.3 times that of the fabric precursor, oscillating for 50-70 min at 30-40 kHz, adding diisopropyl peroxide with the mass of 0.0001-0.0003 times that of the fabric precursor, fishing out, curing at room temperature for 10-14 h, and singeing to obtain the anti-pilling elastic fabric.
Further, the preparation method of the pretreated cotton fiber in the step (1) comprises the following steps: mixing 8.3-11.0 tex cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.4:0.06: 18-1: 0.7:0.1:25, uniformly stirring, adding potassium persulfate which is 0.02-0.03 time of the mass of the cotton fiber, reacting for 100-120 min at the temperature of 60-74 ℃, taking out, and washing with distilled water for 3-5 min to obtain acrylic acid cotton fiber; mixing acrylic cotton fibers, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.3: 19-1: 0.5:30, stirring at the temperature of 60-70 ℃ for 1-3 h at the rpm of 50-70, taking out, and washing with deionized water for 3-7 times.
Further, the stirring speed in the step (2) is 40-70 rpm.
Further, the baking temperature in the step (3) is 152-168 ℃.
Further, the specific preparation method of the tetraethoxysilane solution in the step (4) comprises the following steps: mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.2: 0.6-1: 0.4:0.8, stirring at 60-100 rpm for 2-8 min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4-5, and reacting at 30-46 ℃ for 2-5 h.
Further, the singeing in the step (4) adopts a gas singeing machine, the singeing speed is 90-110 m/min, and the singeing space is 10-12 mm.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the modified cotton fiber and the epoxy resin fiber are woven into the basic fabric, and then anti-pilling treatment is carried out to obtain the fabric, so that anti-pilling, elastic and anti-shrinkage effects are realized.
Firstly, primarily modifying cotton fibers by using acrylic acid to promote the mutual crosslinking of macromolecules on the surfaces of the cotton fibers and improve the elasticity of the fabric; then the amino and the hydroxyl of the N-butyl-4-hydroxybutylamine are respectively reacted with the carboxyl of acrylic acid and chloride ions of methanesulfonyl chloride, and the methanesulfonyl group is further reduced into sulfydryl; grafting 8-bromo-1-octyne on the butyl terminal of N-butyl-4-hydroxybutylamine through bromine atoms to obtain modified cotton fibers; the modified cotton fiber and the epoxy resin fiber are blended and woven to obtain a basic fabric, and then the basic fabric is subjected to primary baking treatment, so that the surface of the epoxy resin fiber is melted and permeates into the fiber, the movement of the modified cotton fiber is effectively restrained, and the shrink resistance of the fabric is improved; and then, carrying out secondary baking treatment, wherein under the action of ultraviolet light, the modified cotton fibers are crosslinked through sulfydryl and alkynyl, so that the surface crosslinking degree is improved, the elasticity of the fabric is enhanced, and meanwhile, stress is dispersed to form an organic hydrophobic film, so that the fabric is prevented from water absorption and swelling, and the shrinkproof property of the fabric is effectively improved.
Secondly, the hydrolysis product of the tetraethoxysilane is uniformly distributed on the surface of the base fabric by utilizing plasma, hydroxyl of the hydrolysis product of the tetraethoxysilane reacts with epoxy resin in the base fabric to form a nano interface, short velvet gaps of the base fabric are filled, mutual friction of velvet is prevented, the anti-pilling property of the fabric is improved, titanate and vinyltrimethoxysilane are introduced to carry out joint hydrolysis, and the hydrolysis product of the hydroxyl and the tetraethoxysilane after hydrolysis are polymerized to form silicon-titanium sol to wrap bottom velvet of the base fabric, so that the anti-pilling property of the fabric is effectively improved, then singeing treatment is carried out to reduce long velvet, and meanwhile, vinyl polymerization crosslinking is carried out to form an inorganic network structure with higher mechanical strength, so that the fabric is not easy to fuzz when being rubbed by external force.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to more clearly illustrate the method provided by the present invention, the following examples are used to describe the method for testing the anti-pilling stretch fabric, and the method for testing the indexes of the anti-pilling stretch fabric manufactured in the following examples is as follows:
pilling resistance: the same size of the examples and comparative examples were tested for pilling performance and rated according to GB/T480.2.
Shrink resistance: the same size of the examples and comparative examples were subjected to a shrinkage effect test, and the shrinkage was measured with reference to ISO 63305A.
Elasticity: the elastic recovery effect test was carried out on the same size of the examples and comparative examples, and the elastic recovery was measured with reference to GB/T3923.2.
Example 1
(1) Mixing 8.3tex cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.4:0.06:18, stirring uniformly, adding potassium persulfate which is 0.02 time of the mass of the cotton fiber, reacting for 100min at 60 ℃, taking out, and washing for 3min with distilled water to obtain acrylic acid cotton fiber; mixing acrylic cotton fiber, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.3:19, stirring at 60 ℃ and 50rpm for 1h, taking out, and washing with deionized water for 3 times to obtain pretreated cotton fiber;
(2) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:0.8:8.6, adding methanesulfonyl chloride solution with the mass ratio of methanesulfonyl chloride to dichloromethane being 1:1 in the pretreated cotton fiber at 0 ℃, reacting at constant temperature for 1h, heating to 32 ℃, reacting for 2h, adding saturated sodium thiosulfate solution with the mass ratio of methanesulfonyl chloride to dichloromethane being 4 times that of the pretreated cotton fiber, stirring uniformly, fishing out, washing with deionized water and saturated salt water for 3 times, then adding absolute ethyl alcohol and sodium hydrosulfide according to the mass ratio of 5.1:1, reacting the sodium hydrosulfide and the pretreated cotton fiber at 74 ℃ for 1.5h, cooling to room temperature, fishing out, washing with deionized water for 4 times to obtain sulfhydrylated cotton fiber;
(3) mixing thiolated cotton fibers, sodium hydride and tetrahydrofuran according to the mass ratio of 1:0.1:4, placing the mixture in an ice water bath, stirring the mixture for 20min at 40rpm, adding 8-bromo-1-octyne which is 0.3 times of the mass of the thiolated cotton fibers, reacting the mixture for 2h, adding deionized water which is 11.2 times of the mass of the thiolated cotton fibers and ethyl acetate which is 10 times of the mass of the thiolated cotton fibers, continuously stirring the mixture for 30min, taking the mixture out, and washing the mixture for 4 times by using a saturated sodium chloride solution to obtain modified cotton fibers;
(4) blending modified cotton fiber and 6.2tex E03 epoxy resin fiber according to the mass ratio of 4:1, and weaving to obtain the fabric with the gram weight of 140g/m 2 The base fabric of (1); baking the base fabric for 2min at 152 ℃, spraying a photoinitiator 1173 with the mass of 0.0001 time of that of the base fabric, and baking for 2h at 300W and 152 ℃ to obtain a fabric precursor;
(5) mixing ethyl orthosilicate, deionized water and absolute ethyl alcohol according to a mass ratio of 1:0.2:0.6, stirring at 60rpm for 2min, adding hydrochloric acid with a mass fraction of 15% until the pH of the solution is 4, and reacting at 30 ℃ for 2h to obtain an ethyl orthosilicate solution; mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1:0.6, carrying out plasma treatment at 148 ℃ and 30W for 3h in a helium atmosphere, cooling to 62 ℃, adding tetrabutyl titanate with the mass of 0.06 time of that of the fabric precursor and vinyltrimethoxysilane with the mass of 0.1 time of that of the fabric precursor, oscillating at 30kHz for 50min, adding diisopropyl peroxydicarbonate with the mass of 0.0001 time of that of the fabric precursor, fishing out, curing at room temperature for 10h, and then adopting a gas singeing machine, wherein the singeing speed is 90m/min, and the singeing spacing is 10mm to obtain the anti-pilling elastic fabric.
Example 2
(1) Mixing 9.7tex cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.6:0.08:21, stirring uniformly, adding potassium persulfate which is 0.025 times of the mass of the cotton fiber, reacting at 67 ℃ for 110min, taking out, and washing with distilled water for 4min to obtain acrylic acid cotton fiber; mixing acrylic cotton fiber, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.4:24, stirring at 65 ℃ and 60rpm for 2h, taking out, and washing with deionized water for 5 times to obtain pretreated cotton fiber;
(2) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:1:10.3, adding methanesulfonyl chloride solution with the mass ratio of methanesulfonyl chloride to dichloromethane being 1:1.6 at the temperature of 2 ℃ and the mass ratio of methanesulfonyl chloride to dichloromethane being 3.8 times of the mass of the pretreated cotton fiber, reacting for 2.5 hours at constant temperature, heating to 39 ℃, reacting for 3.5 hours, adding saturated sodium thiosulfate solution with the mass ratio of 5 times of the mass of the pretreated cotton fiber, stirring uniformly, fishing out, washing for 4 times by using deionized water and saturated salt water in sequence, then adding absolute ethyl alcohol and sodium hydrosulfide according to the mass ratio of 5.8:1, reacting for 2.3 hours at the temperature of 78 ℃, cooling to room temperature, fishing out, washing for 5 times by using deionized water to obtain sulfhydrylated cotton fiber;
(3) mixing thiolated cotton fibers, sodium hydride and tetrahydrofuran according to the mass ratio of 1:0.15:5, placing the mixture in an ice water bath, stirring the mixture for 28min at 60rpm, adding 8-bromo-1-octyne which is 0.5 times of the mass of the thiolated cotton fibers, reacting the mixture for 3.5h, adding deionized water which is 12.1 times of the mass of the thiolated cotton fibers and ethyl acetate which is 10.8 times of the mass of the thiolated cotton fibers, continuously stirring the mixture for 39min, fishing out the mixture, and washing the mixture for 5 times by using a saturated sodium chloride solution to obtain modified cotton fibers;
(4) blending modified cotton fiber and 7.3tex E03 epoxy resin fiber according to the mass ratio of 5:1, and weaving to obtain the fabric with the gram weight of 150g/m 2 The base fabric of (1); baking the base fabric for 6min at 160 ℃, spraying a photoinitiator 1173 with the mass of 0.0002 time of that of the base fabric, baking for 3.5h at 350W and 160 ℃ to obtain a fabric precursor;
(5) mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.3:0.7, stirring at 80rpm for 5min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4.5, and reacting at 38 ℃ for 3.5h to obtain tetraethoxysilane solution; mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1:1.4, carrying out plasma treatment at 154 ℃ and 40W for 4.5h in a helium atmosphere, cooling to 70 ℃, adding tetrabutyl titanate with the mass of 0.18 time of that of the fabric precursor and vinyltrimethoxysilane with the mass of 0.2 time of that of the fabric precursor, oscillating at 35kHz for 60min, adding diisopropyl peroxydicarbonate with the mass of 0.0002 time of that of the fabric precursor, fishing out, curing at room temperature for 12h, and then adopting a gas singeing machine, wherein the singeing speed is 100m/min, and the singeing spacing is 11mm, thereby obtaining the anti-pilling elastic fabric.
Example 3
(1) Mixing 11.0tex of cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.7:0.1:25, stirring uniformly, adding potassium persulfate which is 0.03 time of the mass of the cotton fiber, reacting at 74 ℃ for 120min, taking out, and washing with distilled water for 5min to obtain acrylic acid cotton fiber; mixing acrylic cotton fiber, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.5:30, stirring for 3h at 70 ℃ and 70rpm, taking out, and washing for 7 times by using the deionized water to obtain pretreated cotton fiber;
(2) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:1.3:12.0, adding methanesulfonyl chloride solution with the mass ratio of 4.2 times of the mass of the pretreated cotton fiber at 4 ℃, reacting at constant temperature for 4 hours, heating to 46 ℃, reacting for 5 hours, adding saturated sodium thiosulfate solution with the mass ratio of 6 times of the mass of the pretreated cotton fiber, stirring uniformly, fishing out, washing with deionized water and saturated saline solution for 5 times, then adding absolute ethyl alcohol and sodium hydrosulfide according to the mass ratio of 6.4:1, reacting at 82 ℃ for 3 hours, cooling to room temperature, fishing out, and washing with deionized water for 6 times to obtain sulfhydrylated cotton fiber;
(3) mixing thiolated cotton fibers, sodium hydride and tetrahydrofuran according to the mass ratio of 1:0.2:6, placing the mixture in an ice water bath, stirring the mixture at 70rpm for 36min, adding 8-bromo-1-octyne which is 0.7 times of the mass of the thiolated cotton fibers, reacting the mixture for 5h, adding deionized water which is 13 times of the mass of the thiolated cotton fibers and ethyl acetate which is 11.6 times of the mass of the thiolated cotton fibers, continuously stirring the mixture for 48min, taking the mixture out, and washing the mixture for 6 times by using a saturated sodium chloride solution to obtain modified cotton fibers;
(4) blending the modified cotton fiber and the E03 epoxy resin fiber with the weight ratio of 8.4tex according to the mass ratio of 6:1, and weaving to obtain the fabric with the gram weight of 160g/m 2 The base fabric of (1); baking the base fabric for 10min at 168 ℃, spraying a photoinitiator 1173 with the mass of 0.0003 time of that of the base fabric, and baking for 5h at 400W and 168 ℃ to obtain a fabric precursor;
(5) mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to a mass ratio of 1:0.4:0.8, stirring at 100rpm for 8min, adding 15% by mass hydrochloric acid until the pH of the solution is 5, and reacting at 46 ℃ for 5h to obtain tetraethoxysilane solution; mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1:2.1, carrying out plasma treatment at 160 ℃ and 50W for 6h in a helium atmosphere, cooling to 78 ℃, adding tetrabutyl titanate with the mass of 0.3 time of that of the fabric precursor and vinyltrimethoxysilane with the mass of 0.3 time of that of the fabric precursor, oscillating at 40kHz for 70min, adding diisopropyl peroxydicarbonate with the mass of 0.0003 time of that of the fabric precursor, fishing out, curing at room temperature for 14h, and then adopting a gas singeing machine, wherein the singeing speed is 110m/min, and the singeing spacing is 12mm, thereby obtaining the anti-pilling elastic fabric.
Comparative example 1
Comparative example 1 differs from example 2 only in step (1), which is changed to: mixing 9.7tex cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.6:0.08:21, stirring uniformly, adding potassium persulfate which is 0.025 times of the mass of the cotton fiber, reacting at 67 ℃ for 110min, taking out, and washing with distilled water for 4min to obtain the pretreated cotton fiber. The rest of the procedure was the same as in example 2.
Comparative example 2
(1) Mixing 9.7tex cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.6:0.08:21, stirring uniformly, adding potassium persulfate which is 0.025 times of the mass of the cotton fiber, reacting at 67 ℃ for 110min, taking out, and washing with distilled water for 4min to obtain acrylic acid cotton fiber; mixing acrylic cotton fiber, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.4:24, stirring at 65 ℃ and 60rpm for 2h, taking out, and washing with deionized water for 5 times to obtain pretreated cotton fiber;
(2) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:1:10.3, adding methanesulfonyl chloride solution with the mass ratio of methanesulfonyl chloride to dichloromethane being 1:1.6 at the temperature of 2 ℃ and the mass ratio of methanesulfonyl chloride to dichloromethane being 3.8 times of that of the pretreated cotton fiber, reacting for 2.5 hours at constant temperature, heating to 39 ℃, adding saturated sodium thiosulfate solution with the mass ratio of 5 times of that of the pretreated cotton fiber after reacting for 3.5 hours, stirring uniformly, fishing out, washing for 4 times by using deionized water and saturated salt water in sequence, then adding absolute ethyl alcohol and sodium hydrosulfide according to the mass ratio of 5.8:1, reacting for 2.3 hours at the temperature of 78 ℃, cooling to room temperature, fishing out, washing for 5 times by using deionized water to obtain modified cotton fiber;
(3) blending modified cotton fiber and 7.3tex E03 epoxy resin fiber according to the mass ratio of 5:1, and weaving to obtain the fabric with the gram weight of 150g/m 2 The base fabric of (1); baking the base fabric at 160 ℃ for 6min to obtain a fabric precursor;
(4) mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.3:0.7, stirring at 80rpm for 5min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4.5, and reacting at 38 ℃ for 3.5h to obtain tetraethoxysilane solution; mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1:1.4, carrying out plasma treatment at 154 ℃ and 40W for 4.5h in a helium atmosphere, cooling to 70 ℃, adding tetrabutyl titanate with the mass being 0.18 time of that of the fabric precursor and vinyltrimethoxysilane with the mass being 0.2 time of that of the fabric precursor, oscillating at 35kHz for 60min, adding diisopropyl peroxydicarbonate with the mass being 0.0002 time of that of the fabric precursor, fishing out, curing at room temperature for 12h, and then adopting a gas singeing machine, wherein the singeing speed is 100m/min, and the singeing spacing is 11mm, thus obtaining the anti-pilling elastic fabric.
Comparative example 3
Comparative example 3 differs from example 2 in that step (4) is different, step (4) being changed to: weaving the modified cotton fiber to obtain the weight of 150g/m 2 The base fabric of (1); and spraying a photoinitiator 1173 with the mass of 0.0002 time of that of the base fabric on the base fabric, and baking at 350W and 160 ℃ for 3.And 5h, obtaining the fabric precursor. The rest of the procedure was the same as in example 2.
Comparative example 4
Comparative example 4 differs from example 2 in that step (5) is different, step (5) being changed to: mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.3:0.7, stirring at 80rpm for 5min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4.5, and reacting at 38 ℃ for 3.5h to obtain tetraethoxysilane solution; mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1:1.4, heating to 70 ℃, adding tetrabutyl titanate with the mass of 0.18 time of that of the fabric precursor, vinyltrimethoxysilane with the mass of 0.2 time of that of the fabric precursor, oscillating at 35kHz for 60min, adding diisopropyl peroxydicarbonate with the mass of 0.0002 time of that of the fabric precursor, fishing out, curing at room temperature for 12h, and then adopting a gas singeing machine, wherein the singeing speed is 100m/min, and the singeing gauge is 11mm, thus obtaining the anti-pilling elastic fabric. The rest of the procedure was the same as in example 2.
Comparative example 5
Comparative example 5 differs from example 2 in that step (5) is different, step (5) being changed to: mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.3:0.7, stirring at 80rpm for 5min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4.5, and reacting at 38 ℃ for 3.5h to obtain tetraethoxysilane solution; mixing the fabric precursor and the ethyl orthosilicate solution according to the mass ratio of 1:1.4, carrying out plasma treatment at 154 ℃ and 40W for 4.5h in a helium atmosphere, cooling to 70 ℃, adding butyl titanate with the mass being 0.18 time of that of the fabric precursor, oscillating at 35kHz for 60min, taking out, and curing at room temperature for 12h to obtain the anti-pilling elastic fabric. The rest of the procedure was the same as in example 2.
Examples of effects
Table 1 below gives the results of performance analysis of the anti-pilling stretch fabrics using examples 1 to 5 of the present invention and comparative examples 1 to 5.
TABLE 1
Figure BDA0003716543780000081
Figure BDA0003716543780000091
From the comparison of experimental data of the shrinkage and the elastic recovery of the examples and the comparative examples, the fact that the surface macromolecules of the cotton fibers are mutually crosslinked and the elasticity of the fabric is improved by using the acrylic acid, the N-butyl-4-hydroxybutylamine, the methanesulfonyl chloride and the 8-bromo-1-octyne to modify the cotton fibers; then, the modified cotton fiber is blended and woven with the epoxy resin fiber, and after the first baking treatment, the surface of the epoxy resin fiber is melted and permeates into the fiber, so that the movement of the modified cotton fiber is effectively restrained, and the shrink resistance of the fabric is improved; then, carrying out secondary baking treatment, wherein chemical crosslinking is generated among the modified cotton fibers under the action of ultraviolet light, so that the surface crosslinking degree is improved, the elasticity of the fabric is enhanced, and meanwhile, a hydrophobic film is formed, so that water absorption swelling is prevented, and the shrink resistance is improved; the comparison of experimental data of the pilling grades of the embodiment and the comparative example shows that the invention utilizes plasma to uniformly distribute the hydrolysate of the ethyl orthosilicate on the surface of the base fabric, the hydrolysate reacts with the epoxy resin to form a nano interface, short fluff gaps of the base fabric are filled, fluff is prevented from being rubbed with each other, the pilling resistance of the fabric is improved, then titanate and vinyltrimethoxysilane are introduced to form a silicon titanium sol to wrap the bottom fluff of the base fabric, the pilling resistance of the fabric is effectively improved, then singeing treatment is carried out to reduce long fluff, and simultaneously vinyl polymerization crosslinking is carried out to form an inorganic network structure with higher mechanical strength, so that the fabric is not easy to fluff when being rubbed by external force.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The anti-pilling elastic fabric is characterized by being prepared by a method comprising the following steps of blending modified cotton fibers and epoxy resin fibers, and weaving into a base fabric; then, baking treatment and anti-pilling treatment are carried out twice.
2. The anti-pilling stretch fabric as claimed in claim 1, wherein the modified cotton fibers are prepared from acrylic acid, cotton fibers, N-butyl-4-hydroxybutylamine, methanesulfonyl chloride and 8-bromo-1-octyne.
3. The anti-pilling stretch fabric as claimed in claim 1, wherein the two baking treatments are respectively a first baking treatment: baking the base fabric at a specific temperature for a period of time; and (3) second baking treatment: and (3) baking for a period of time at the same temperature under the assistance of ultraviolet light.
4. The anti-pilling stretch fabric as claimed in claim 1, wherein the anti-pilling treatment comprises subjecting a fabric precursor and a solution of tetraethoxysilane to plasma treatment for a period of time in a helium atmosphere, cooling, adding butyl titanate and vinyltrimethoxysilane, ultrasonically oscillating, adding diisopropyl peroxydicarbonate, fishing out, curing, and singeing.
5. The preparation method of the anti-pilling stretch fabric is characterized by comprising the following preparation steps of:
(1) mixing the pretreated cotton fiber, triethylamine and dichloromethane according to the mass ratio of 1:0.8: 8.6-1: 1.3:12.0, adding a methanesulfonyl chloride solution with the mass of 3.5-4.2 times of that of the pretreated cotton fiber at 0-4 ℃, wherein the mass ratio of methanesulfonyl chloride to dichloromethane in the methanesulfonyl chloride solution is 1: 1.0-1: 2.1, reacting for 1-4 h at constant temperature, heating to 32-46 ℃, reacting for 2-5 h, adding a saturated sodium thiosulfate solution with the mass of 4-6 times of that of the pretreated cotton fiber, stirring uniformly, fishing out, washing for 3-5 times by deionized water and saturated saline water in sequence, then adding anhydrous ethanol and sodium hydrosulfide according to the mass ratio of 5.1: 1-6.4: 1, taking out the sodium hydrosulfide and the pretreated cotton fiber according to the mass ratio of 1: 0.1-1: 0.3, reacting for 1.5-3 h at 74-82 ℃, cooling to room temperature, washing by deionized water for 4-6 times, obtaining sulfhydrylation cotton fiber;
(2) mixing sulfhydrylation cotton fiber, sodium hydride and tetrahydrofuran according to the mass ratio of 1:0.1: 4-1: 0.2:6, placing the mixture in an ice water bath, stirring the mixture for 20-36 min, adding 8-bromo-1-octyne which is 0.3-0.7 times of the mass of the sulfhydrylation cotton fiber, reacting the mixture for 2-5 h, adding deionized water which is 11.2-13.0 times of the mass of the sulfhydrylation cotton fiber and ethyl acetate which is 10.0-11.6 times of the mass of the sulfhydrylation cotton fiber, stirring the mixture for 30-48 min, fishing out the mixture, and washing the mixture for 4-6 times by using a saturated sodium chloride solution to obtain modified cotton fiber;
(3) blending modified cotton fibers and E03 epoxy resin fibers of 6.2-8.4 tex according to the mass ratio of 4: 1-6: 1, and weaving to obtain the fabric with the gram weight of 140-160 g/m 2 The base fabric of (1); baking the base fabric for 2-10 min, spraying a photoinitiator 1173 with the mass of 0.0001-0.0003 times that of the base fabric, and baking for 2-5 h at 300-400W to obtain a fabric precursor;
(4) mixing a fabric precursor and an ethyl orthosilicate solution according to a mass ratio of 1: 0.6-1: 2.1, carrying out plasma treatment for 3-6 h at 148-160 ℃ and 30-50W in a helium atmosphere, cooling to 62-78 ℃, adding butyl titanate with the mass of 0.06-0.3 times that of the fabric precursor, vinyl trimethoxy silane with the mass of 0.1-0.3 times that of the fabric precursor, oscillating for 50-70 min at 30-40 kHz, adding diisopropyl peroxide with the mass of 0.0001-0.0003 times that of the fabric precursor, fishing out, curing at room temperature for 10-14 h, and singeing to obtain the anti-pilling elastic fabric.
6. The preparation method of the anti-pilling stretch fabric according to claim 5, wherein the preparation method of the pretreated cotton fibers in the step (1) is as follows: mixing 8.3-11.0 tex of cotton fiber, acrylic acid, sodium hydroxide and deionized water according to the mass ratio of 1:0.4:0.06: 18-1: 0.7:0.1:25, uniformly stirring, adding potassium persulfate which is 0.02-0.03 time of the mass of the cotton fiber, reacting at 60-74 ℃ for 100-120 min, taking out, and washing with distilled water for 3-5 min to obtain acrylic acid cotton fiber; mixing acrylic cotton fiber, N-butyl-4-hydroxybutylamine and deionized water according to the mass ratio of 1:0.3: 19-1: 0.5:30, stirring at the temperature of 60-70 ℃ and the rpm of 50-70 for 1-3 h, taking out, and washing with deionized water for 3-7 times.
7. The preparation method of the anti-pilling stretch fabric according to claim 5, wherein the stirring speed in the step (2) is 40-70 rpm.
8. The preparation method of the anti-pilling stretch fabric as claimed in claim 5, wherein the baking temperature in the step (3) is 152-168 ℃.
9. The preparation method of the anti-pilling stretch fabric according to claim 5, wherein the specific preparation method of the tetraethoxysilane solution in the step (4) is as follows: mixing tetraethoxysilane, deionized water and absolute ethyl alcohol according to the mass ratio of 1:0.2: 0.6-1: 0.4:0.8, stirring at 60-100 rpm for 2-8 min, adding hydrochloric acid with the mass fraction of 15% until the pH of the solution is 4-5, and reacting at 30-46 ℃ for 2-5 h.
10. The preparation method of the anti-pilling stretch fabric according to claim 5, wherein the singeing in the step (4) is carried out by using a gas singeing machine, the singeing speed is 90-110 m/min, and the singeing gauge is 10-12 mm.
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CN108660759A (en) * 2018-05-02 2018-10-16 湖南辰砾新材料有限公司 A kind of antibacterial crease-resistant antistatic shirt fabric
CN109735992A (en) * 2019-01-16 2019-05-10 福建凤竹纺织科技股份有限公司 A kind of high-elasticity anti-wrinkle textile fabric and preparation method thereof
CN111304908A (en) * 2020-03-25 2020-06-19 安徽弋尚纺织科技有限公司 Self-cleaning suit fabric and preparation method thereof
CN111335029A (en) * 2020-04-27 2020-06-26 胡明华 Washing-resistant crease-resistant finishing method for cotton fabric
CN213167249U (en) * 2020-08-10 2021-05-11 苏州胜幢纺织有限公司 Antibacterial fabric
CN112481760A (en) * 2020-10-27 2021-03-12 南通明富纺织品有限公司 Antibacterial and antifouling organic cotton and kapok blended yarn and preparation method thereof
CN112900089A (en) * 2021-01-26 2021-06-04 广州甚多服装有限公司 Waterproof fiber knitted fabric and preparation method thereof
CN113293607A (en) * 2021-05-31 2021-08-24 方俊 Super-hydrophobic polyester fabric and preparation method thereof
CN114351471A (en) * 2022-01-11 2022-04-15 广州薇爱服饰有限公司 Skin-friendly underwear without itching feeling and preparation method thereof

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