CN110714322A - Elastic stretch-proof fabric and preparation method thereof - Google Patents
Elastic stretch-proof fabric and preparation method thereof Download PDFInfo
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- CN110714322A CN110714322A CN201910915827.8A CN201910915827A CN110714322A CN 110714322 A CN110714322 A CN 110714322A CN 201910915827 A CN201910915827 A CN 201910915827A CN 110714322 A CN110714322 A CN 110714322A
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- fabric
- titanium dioxide
- nano titanium
- elastic
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- 239000004744 fabric Substances 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- -1 fatty acid ester Chemical class 0.000 claims abstract description 15
- HDSBZMRLPLPFLQ-UHFFFAOYSA-N Propylene glycol alginate Chemical compound OC1C(O)C(OC)OC(C(O)=O)C1OC1C(O)C(O)C(C)C(C(=O)OCC(C)O)O1 HDSBZMRLPLPFLQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 claims abstract description 13
- 239000000770 propane-1,2-diol alginate Substances 0.000 claims abstract description 13
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 10
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims abstract description 9
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 9
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 9
- 239000000194 fatty acid Substances 0.000 claims abstract description 9
- 229930195729 fatty acid Natural products 0.000 claims abstract description 9
- 229920000223 polyglycerol Polymers 0.000 claims abstract description 9
- 229960002317 succinimide Drugs 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 30
- 239000007864 aqueous solution Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 18
- 239000013067 intermediate product Substances 0.000 claims description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 239000012065 filter cake Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000012295 chemical reaction liquid Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012265 solid product Substances 0.000 claims description 6
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical group CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 229920002334 Spandex Polymers 0.000 description 4
- 239000004759 spandex Substances 0.000 description 4
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 description 2
- 229920006052 Chinlon® Polymers 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
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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
- D06M15/31—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated nitriles
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- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
- D06B3/185—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines below the bath level
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—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
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
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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
- 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
- D06M13/144—Alcohols; Metal alcoholates
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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
- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
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- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/41—Amides derived from unsaturated carboxylic acids, e.g. acrylamide
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- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
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- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
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- 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
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Abstract
The invention provides an elastic stretch-proof fabric and a preparation method thereof, the fabric is prepared by treating an elastic fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 18-30 parts of polyacrylonitrile, 12-20 parts of rosin modified phenolic resin, 8-16 parts of polyethylene glycol succinate, 6-10 parts of polyglycerol fatty acid ester, 5-12 parts of modified nano titanium dioxide, 4-8 parts of N-hydroxymethyl acrylamide, 3-5 parts of polyisobutylene succinimide, 3-8 parts of propylene glycol alginate, 2-5 parts of propylene glycol alginate, 2-6 parts of N, N-dimethylacetamide, 20-30 parts of N-butanol and 20-40 parts of water. The fabric prepared by the method has good tensile property, and plays an important role in improving the service performance of the fabric.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to an elastic stretch-proof fabric and a preparation method thereof.
Background
The elastic fabric is an indispensable fabric in daily life and has various types, such as spandex fabric, knitted fabric, chinlon fabric, polyester fabric and the like. The elastic fabric has the application value of traditional Chinese medicines in the field of outdoor fabrics, the good elastic fabric continuously promotes the convenience and the rapidness of outdoor activities, the strength consumption of muscles in stretching is effectively protected, the elasticity of the fabric enables the clothes and the sports rhythm to be kept synchronous, and the capability of breaking through the limit of human beings is greatly exerted on the basis of protecting the surface of the body.
However, after the elastic fabric is used for a long time, the problems of reduced elasticity, reduced stretch-proof performance and the like are easily caused, so that the using performance of the fabric is influenced, the wearing comfort of the fabric is influenced, and the functionality of the fabric is reduced, therefore, the elastic stretch-proof fabric is developed
Has important function.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an elastic stretch-proof fabric and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
the elastic stretch-proof fabric is prepared by treating an elastic fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 18-30 parts of polyacrylonitrile, 12-20 parts of rosin modified phenolic resin, 8-16 parts of polyethylene glycol succinate, 6-10 parts of polyglycerol fatty acid ester, 5-12 parts of modified nano titanium dioxide, 4-8 parts of N-hydroxymethyl acrylamide, 3-5 parts of polyisobutylene succinimide, 3-8 parts of propylene glycol alginate, 2-5 parts of propylene glycol alginate, 2-6 parts of N, N-dimethylacetamide, 20-30 parts of N-butanol and 20-40 parts of water.
Preferably, the finishing agent is prepared from the following raw materials in parts by weight: 24 parts of polyacrylonitrile, 16 parts of rosin modified phenolic resin, 12 parts of polyethylene succinate, 8 parts of polyglycerol fatty acid ester, 9 parts of modified nano titanium dioxide, 6 parts of N-hydroxymethyl acrylamide, 4 parts of polyisobutylene succinimide, 6 parts of propylene glycol alginate, 4 parts of N, N-dimethylacetamide, 25 parts of N-butanol and 30 parts of water.
Further, the preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 10-20 parts of nano titanium dioxide in an aqueous solution to make the mass fraction of the nano titanium dioxide be 20-30wt%, regulating the pH value of the aqueous solution to 9.0-10, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 15-30 parts of NaAlO with the mass fraction of 10wt% into the reaction kettle2Uniformly stirring the solution in a reaction kettle, adjusting the pH value of the solution to 3.5-5.0 by using an acid solution, and stirring and reacting at the temperature of 70-100 ℃ for 1-2 h; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, slowly heating the temperature of the reaction solution to 70-80 ℃, keeping the temperature, continuously stirring for reaction for 4-6h, filtering and washing the reaction product with alcohol, and drying the solid product in an oven to obtain the modified nano titanium dioxide.
Further, the silane coupling agent is gamma-glycidoxypropyltrimethoxysilane or gamma-methacryloxypropyltrimethoxysilane.
Further, the preparation method of the elastic stretch-proof fabric comprises the following steps:
the elastic fabric is prepared by the following steps of 1: soaking the fabric in the finishing agent for 1-3h at a bath ratio of 20-50, carrying out two-soaking and two-rolling on the soaked fabric, wherein the rolling residual rate is 60-80%, and drying to obtain the elastic stretch-proof fabric.
Has the advantages that: the invention provides an elastic stretch-proof fabric and a preparation method thereof, wherein the elastic spandex fabric prepared by the method is used as a raw material to be subjected to stretch-proof test, the tensile strength of the fabric is up to 68 MPa, the elongation at break of the fabric is up to 62%, and the fabric has good tensile property, so that the use performance of the fabric is greatly improved.
Detailed Description
The present invention is further described below with reference to specific examples, which are only exemplary and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
The following examples and comparative examples were conducted to test the overall performance of the elastic stretch-proof fabric of the present invention using an elastic spandex fabric as an example.
Example 1
The elastic stretch-proof fabric is prepared by treating an elastic spandex fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 24 parts of polyacrylonitrile, 16 parts of rosin modified phenolic resin, 12 parts of polyethylene succinate, 8 parts of polyglycerol fatty acid ester, 9 parts of modified nano titanium dioxide, 6 parts of N-hydroxymethyl acrylamide, 4 parts of polyisobutylene succinimide, 6 parts of propylene glycol alginate, 4 parts of N, N-dimethylacetamide, 25 parts of N-butanol and 30 parts of water.
The preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 15 parts of nano titanium dioxide in an aqueous solution to make the mass fraction of the nano titanium dioxide be 25wt%, adjusting the pH value of the aqueous solution to 9.5, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 22 parts of NaAlO with the mass fraction of 10wt%2Uniformly stirring the solution in a reaction kettle, adjusting the pH of the solution to 4.0 by using an acid solution, and stirring and reacting for 1.5 hours at the temperature of 85 ℃; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, wherein the silane coupling agent is gamma-glycidyl ether oxypropyl trimethoxy silane, slowly heating the temperature of a reaction solution to 75 ℃, keeping the temperature for continuously stirring and reacting for 5 hours, filtering and washing the reaction product with alcohol, and placing the solid product into an oven for drying to obtain the modified nano titanium dioxide.
The preparation method of the elastic stretch-proof fabric comprises the following steps:
the elastic fabric is prepared by the following steps of 1: and (3) soaking the fabric in the prepared finishing agent for 2 hours at a bath ratio of 35, carrying out double-soaking and double-rolling on the soaked fabric, wherein the rolling residue rate is 70%, and drying to obtain the elastic stretch-proof fabric.
Example 2
The elastic stretch-proof fabric is prepared by treating an elastic fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 18 parts of polyacrylonitrile, 12 parts of rosin modified phenolic resin, 8 parts of polyethylene succinate, 6 parts of polyglycerol fatty acid ester, 5 parts of modified nano titanium dioxide, 4 parts of N-hydroxymethyl acrylamide, 3 parts of polyisobutylene succinimide, 3 parts of propylene glycol alginate, 2 parts of N, N-dimethylacetamide, 20 parts of N-butanol and 20 parts of water.
The preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 10 parts of nano titanium dioxide in an aqueous solution to make the mass fraction of the nano titanium dioxide be 20wt%, adjusting the pH value of the aqueous solution to 9.0, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 15 parts of NaAlO with the mass fraction of 10wt%2Uniformly stirring the solution in a reaction kettle, adjusting the pH of the solution to 3.5 by using an acid solution, and stirring and reacting for 1h at the temperature of 70 ℃; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, wherein the silane coupling agent is gamma-glycidyl ether oxypropyl trimethoxy silane, slowly heating the temperature of a reaction solution to 70 ℃, keeping the temperature for continuously stirring and reacting for 4 hours, filtering and washing the reaction product with alcohol, and placing the solid product into an oven for drying to obtain the modified nano titanium dioxide.
The preparation method of the elastic stretch-proof fabric comprises the following steps:
the elastic fabric is prepared by the following steps of 1: and (3) soaking the fabric in the prepared finishing agent for 1h at a bath ratio of 20, carrying out double-soaking and double-rolling on the soaked fabric, wherein the rolling residue rate is 60%, and drying to obtain the elastic stretch-proof fabric.
Example 3
The elastic stretch-proof fabric is prepared by treating an elastic fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 20 parts of polyacrylonitrile, 15 parts of rosin modified phenolic resin, 10 parts of polyethylene succinate, 7 parts of polyglycerol fatty acid ester, 7 parts of modified nano titanium dioxide, 5 parts of N-hydroxymethyl acrylamide, 3.5 parts of polyisobutylene succinimide, 4 parts of propylene glycol alginate, 3 parts of N, N-dimethylacetamide, 23 parts of N-butanol and 25 parts of water.
The preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 12 parts of nano titanium dioxide in an aqueous solution to ensure that the mass fraction of the nano titanium dioxide is 23wt%, adjusting the pH value of the aqueous solution to 9.3, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 20 parts of NaAlO with the mass fraction of 10wt%2Uniformly stirring the solution in a reaction kettle, adjusting the pH of the solution to 2.0 by using an acid solution, and stirring and reacting for 1.2h at the temperature of 80 ℃; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, wherein the silane coupling agent is gamma-methacryloxypropyltrimethoxysilane, slowly heating the temperature of a reaction solution to 72 ℃, keeping the temperature, continuously stirring for reaction for 4.5 hours, filtering and washing the reaction product with alcohol, and placing the solid product in an oven for drying to obtain the modified nano titanium dioxide.
The preparation method of the elastic stretch-proof fabric comprises the following steps:
the elastic fabric is prepared by the following steps of 1: 30 percent of bath ratio, soaking for 1.5 hours, carrying out two-dipping and two-rolling on the soaked fabric, wherein the rolling residue rate is 65 percent, and drying to obtain the elastic stretch-proof fabric.
Example 4
The elastic stretch-proof fabric is prepared by treating an elastic fabric serving as a raw material with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 30 parts of polyacrylonitrile, 20 parts of rosin modified phenolic resin, 16 parts of polyethylene succinate, 10 parts of polyglycerol fatty acid ester, 12 parts of modified nano titanium dioxide, 8 parts of N-hydroxymethyl acrylamide, 5 parts of polyisobutylene succinimide, 8 parts of propylene glycol alginate, 5 parts of propylene glycol alginate, 6 parts of N, N-dimethylacetamide, 30 parts of N-butanol and 40 parts of water.
The preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 20 parts of nano titanium dioxide in an aqueous solution to ensure that the mass fraction of the nano titanium dioxide is 30wt%, adjusting the pH value of the aqueous solution to 10, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 30 parts of NaAlO with the mass fraction of 10wt%2Uniformly stirring the solution in a reaction kettle, adjusting the pH of the solution to 5.0 by using an acid solution, and stirring and reacting for 2 hours at the temperature of 100 ℃; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, wherein the silane coupling agent is gamma-methacryloxypropyltrimethoxysilane, slowly heating the temperature of a reaction solution to 80 ℃, keeping the temperature, continuously stirring for reaction for 6 hours, filtering and washing the reaction product with alcohol, and placing the solid product into an oven for drying to obtain the modified nano titanium dioxide.
The preparation method of the elastic stretch-proof fabric comprises the following steps:
the elastic fabric is prepared by the following steps of 1: soaking the fabric in the finishing agent for 3h at a bath ratio of 50, carrying out double-soaking and double-rolling on the soaked fabric, wherein the rolling residue is 80%, and drying to obtain the elastic stretch-proof fabric.
Comparative example 1
Comparative example 1 is different from example 1 in that no modified nano-titania is added in comparative example 1.
Comparative example 2
Comparative example 2 differs from example 1 in that no polyacrylonitrile and rosin-modified phenolic resin were added in comparative example 2.
The fabrics prepared in the examples 1-4 and the comparative examples 1-2 are subjected to tensile property test according to GB/T3923.1-2013, and the test results are shown in Table 1, and the elastic fabric prepared by the invention has good tensile property, the tensile strength is up to 68 MPa, and the elongation at break is up to 62%, so that the service performance of the fabric is greatly improved.
TABLE 1
Claims (5)
1. The elastic stretch-proof fabric is characterized by being prepared by taking an elastic fabric as a raw material and treating the elastic fabric with the following finishing agent, wherein the finishing agent is prepared from the following raw materials in parts by weight: 18-30 parts of polyacrylonitrile, 12-20 parts of rosin modified phenolic resin, 8-16 parts of polyethylene glycol succinate, 6-10 parts of polyglycerol fatty acid ester, 5-12 parts of modified nano titanium dioxide, 4-8 parts of N-hydroxymethyl acrylamide, 3-5 parts of polyisobutylene succinimide, 3-8 parts of propylene glycol alginate, 2-5 parts of propylene glycol alginate, 2-6 parts of N, N-dimethylacetamide, 20-30 parts of N-butanol and 20-40 parts of water.
2. The elastic stretch-proof fabric according to claim 1, wherein the finishing agent is prepared from the following raw materials in parts by weight: 24 parts of polyacrylonitrile, 16 parts of rosin modified phenolic resin, 12 parts of polyethylene succinate, 8 parts of polyglycerol fatty acid ester, 9 parts of modified nano titanium dioxide, 6 parts of N-hydroxymethyl acrylamide, 4 parts of polyisobutylene succinimide, 6 parts of propylene glycol alginate, 4 parts of N, N-dimethylacetamide, 25 parts of N-butanol and 30 parts of water.
3. The elastic stretch-proof fabric according to claim 1, wherein the preparation method of the modified nano titanium dioxide comprises the following steps:
(1) dispersing 10-20 parts of nano titanium dioxide in an aqueous solution to make the mass fraction of the nano titanium dioxide be 20-30wt%, regulating the pH value of the aqueous solution to 9.0-10, adding the aqueous solution into a reaction kettle after ultrasonic dispersion, and then adding 15-30 parts of NaAlO with the mass fraction of 10wt% into the reaction kettle2Uniformly stirring the solution in a reaction kettle, adjusting the pH value of the solution to 3.5-5.0 by using an acid solution, and stirring and reacting at the temperature of 70-100 ℃ for 1-2 h; taking out the reaction liquid, filtering and collecting a filter cake, and drying and grinding the filter cake to obtain an intermediate product;
(2) adding the intermediate product into an aqueous solution for dispersion, wherein the mass fraction of the intermediate product is 50wt%, adjusting the pH of the solution to 4.0, adding a silane coupling agent under the stirring condition, slowly heating the temperature of the reaction solution to 70-80 ℃, keeping the temperature, continuously stirring for reaction for 4-6h, filtering and washing the reaction product with alcohol, and drying the solid product in an oven to obtain the modified nano titanium dioxide.
4. An elastic stretch-proof fabric as claimed in claim 3, wherein the silane coupling agent is gamma-glycidoxypropyltrimethoxysilane or gamma-methacryloxypropyltrimethoxysilane.
5. A method of making an elastic stretch-proof fabric as claimed in any one of claims 1 to 4, comprising the steps of:
the elastic fabric is prepared by the following steps of 1: soaking the fabric in the finishing agent for 1-3h at a bath ratio of 20-50, carrying out two-soaking and two-rolling on the soaked fabric, wherein the rolling residual rate is 60-80%, and drying to obtain the elastic stretch-proof fabric.
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