Antibacterial and wrinkle-resistant fabric and its production method and use

Abstract

The present invention belongs to the field of textile technology, and specifically relates to an antibacterial and wrinkle-proof fabric, and a production method and use thereof. The antibacterial and wrinkle-proof fabric is made of polyester elastic fiber and antibacterial fiber in a mass ratio of 1:0.25-0.35 to form yarn, and then the prepared yarn is padded and finished in an anti-wrinkle and shrink-proof resin liquid, and dried for weaving to obtain the antibacterial and wrinkle-proof fabric. Compared with the prior art, the technical advantages of the present invention are: 1) after three washings, the shrinkage rate of the fabric is less than 5%; 2) the antibacterial rate of Escherichia coli is 99.5%, and after washing 50 times, the antibacterial rate of Escherichia coli is 99.0%; 3) it has strong strength and elastic recovery ability, the quick rebound recovery angle is as high as 332°, and the slow rebound recovery angle is as high as 363°, thereby meeting the antibacterial and wrinkle-resistant requirements of the fabric. Therefore, the antibacterial and wrinkle-proof fabric of the present invention has important application prospects in the field of textiles.

Description

Technical Field

[0001] The invention belongs to the technical field of textiles, and in particular relates to an antibacterial and wrinkle-resistant fabric and a production method and application thereof. Background Art

[0002] In recent years, with the improvement of people's living standards, people have higher and higher requirements for the comfort and functionality of textiles. Textile finishing has become one of the important ways to increase product added value and improve the functions of textiles. The use of microcapsule technology to give textiles special functions is currently a hot spot for development. Various fabric finishing agents can be made into microcapsules and used for fabric finishing, such as flame retardant, antibacterial, deodorant, heat storage and heat preservation, depilatory, anti-fouling, anti-wrinkle, anti-shrinkage, soft, anti-ultraviolet, etc.

[0003] The application of microcapsule technology in textiles is mainly in printing, dyeing and finishing. Most of them are applied to fibers or fabrics in the form of coating or blending spinning. However, in the coating, the microcapsules and fabrics are only physically bonded by adhesives, and their washability, breathability and comfort performance are not up to practical levels. Therefore, it is necessary to further improve the performance of existing fabrics. Summary of the invention

[0004] In order to solve the above problems in the prior art, the first object of the present invention is to provide an antibacterial and anti-wrinkle fabric.

[0005] In order to achieve the above-mentioned first purpose, the present invention provides the following technical solutions: an antibacterial and anti-wrinkle fabric, which is made of yarn made of polyester elastic fiber and antibacterial fiber in a mass ratio of 1:0.25 to 0.35, and then the prepared yarn is dipped and finished in an anti-wrinkle and shrinkage-resistant resin liquid, and dried for weaving to obtain the antibacterial and anti-wrinkle fabric.

[0006] Preferably, the wrinkle-resistant and shrink-resistant resin liquid of the present invention is prepared from the following components: 100 parts of vinyl acetate, 50-60 parts of methyl acrylate, 10-15 parts of polyvinyl alcohol, 4-6 parts of emulsifier, 0.1-0.5 parts of initiator, and 400-600 parts of deionized water.

[0007] Preferably, the wrinkle-resistant and shrink-resistant resin liquid of the present invention is prepared by the following steps: 1) adding polyvinyl alcohol to deionized water, heating in an oil bath, condensing and reflux, raising the temperature to 80-90°C, stirring and reacting at 800-1000 rpm for 40-60 minutes; 2) continuing to add an emulsifier and a pH adjuster, adjusting the pH to 4-6, stirring and reacting at 800-1000 rpm for 5-10 minutes; 3) continuing to add vinyl acetate, methyl acrylate and an initiator, stirring and reacting at 800-1000 rpm for 20-30 minutes; cooling to room temperature, filtering, and discharging.

[0008] Preferably, the emulsifier described in the present invention is selected from one of polyoxyethylene fatty alcohol ether and castor oil polyoxyethylene ether.

[0009] Preferably, the initiator described in the present invention is selected from ammonium persulfate or potassium persulfate.

[0010] Preferably, the elastic fiber of the present invention is prepared by the following steps: 1) weighing polyester chips by weight, adding the polyester chips to a mixture and heating the mixture to obtain a polyester mixed melt; 2) spinning the obtained polyester mixed melt, and cooling the mixture to obtain a polyester elastic fiber;

[0011] The mixture comprises, by mass, 100 parts of polyether glycol, 20-60 parts of cyclodextrin, 60-80 parts of sodium diisooctyl sulfosuccinate, 10-20 parts of fumed silica, 10-20 parts of maleic anhydride grafted compatibilizer, and 10-20 parts of calcium stearate.

[0012] Preferably, the antibacterial fiber described in the present invention is prepared by the following steps: 1) adding cotton and linen fibers to a sodium hydroxide solution, immersing at room temperature, washing to neutrality and drying to obtain pretreated cotton and linen fibers; 2) adding the pretreated cotton and linen fibers to an acetone solution, then adding an antibacterial finishing functional agent and mixing evenly, then adding isophorone diisocyanate dropwise, and after the addition is complete, heating and stirring to react, filtering, washing and drying to obtain the antibacterial fiber.

[0013] The present invention provides a method for producing the antibacterial and wrinkle-proof fabric, which comprises the following steps: 1) preparing yarns from polyester elastic fiber and antibacterial fiber at a mass ratio of 1:0.25-0.35; 2) impregnating the prepared yarns in an anti-wrinkle and shrink-proof resin liquid, and after impregnation, drying the yarns at 90-100°C, and then baking the yarns at 150-160°C, to finally obtain the antibacterial and wrinkle-proof fabrics.

[0014] The invention provides a use of the antibacterial and wrinkle-resistant fabric for producing knitted blended fabrics.

[0015] Compared with the prior art, the technical advantages of the present invention are:

[0016] 1) After 3 washes, the fabric shrinkage rate is less than 5%;

[0017] 2) The antibacterial rate of Escherichia coli is 99.5%. After washing 50 times, the antibacterial rate of Escherichia coli is 99.0%;

[0018] 3) It has strong strength and elastic recovery ability, with a quick rebound recovery angle of up to 332° and a slow rebound recovery angle of up to 363°, thereby meeting the antibacterial and wrinkle resistance requirements of the fabric. Therefore, the antibacterial and wrinkle-resistant fabric of the present invention has important application prospects in the field of textiles. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the embodiments.

[0020] The invention discloses an antibacterial wrinkle-proof fabric. The antibacterial wrinkle-proof fabric is prepared by making yarn from polyester elastic fiber and antibacterial fiber in proportion, and then the prepared yarn is padded and finished in anti-wrinkle and shrink-proof resin liquid, and then dried and woven to obtain the antibacterial wrinkle-proof fabric.

[0021] The anti-wrinkle and shrink-proof resin liquid is prepared from the following components: 100 parts of vinyl acetate, 50-60 parts of methyl acrylate, 10-15 parts of polyvinyl alcohol, 4-6 parts of emulsifier, 0.1-0.5 parts of initiator, and 400-600 parts of deionized water. The initiator is selected from one of ammonium persulfate or potassium persulfate.

[0022] The anti-wrinkle and shrinkage-resistant resin liquid is prepared by the following steps: 1) adding polyvinyl alcohol to deionized water, heating in an oil bath, condensing and refluxing, raising the temperature, and reacting under stirring conditions; 2) continuing to add an emulsifier and a pH adjuster, adjusting the pH, and continuing to react under stirring conditions; 3) continuing to add vinyl acetate, methyl acrylate and an initiator, and continuing to react under stirring conditions; cooling to room temperature, filtering, and discharging.

[0023] The elastic fiber is prepared by the following steps: 1) weighing polyester chips by weight, adding the polyester chips to a mixture and heating the mixture to obtain a polyester mixed melt; 2) spinning the obtained polyester mixed melt, and cooling the obtained polyester elastic fiber; the weight ratio of the polyester chips to the mixture is 1:0.5.

[0024] The mixture comprises, by mass, 100 parts of polyether glycol, 20-60 parts of cyclodextrin, 60-80 parts of sodium diisooctyl sulfosuccinate, 10-20 parts of fumed silica, 10-20 parts of maleic anhydride grafted compatibilizer, and 10-20 parts of calcium stearate.

[0025] The antibacterial fiber is prepared by the following steps: 1) adding cotton and linen fibers into a sodium hydroxide solution, immersing at room temperature, washing to neutrality and drying to obtain pretreated cotton and linen fibers; 2) adding the pretreated cotton and linen fibers into an acetone solution, then adding an antibacterial finishing functional agent and mixing evenly, then adding isophorone diisocyanate dropwise, after the addition is complete, heating and stirring to react, filtering, washing and drying to obtain the antibacterial fiber.

[0026] Example 1

[0027] 1) Preparation of polyester elastic fiber

[0028] Weigh 100 parts by weight of polyester chips, add the polyester chips to 50 parts by weight of the mixture and heat to obtain a polyester mixed melt; spin the obtained polyester mixed melt, and cool to obtain polyester elastic fiber. The mixture includes, by weight: 100 parts of polyether glycol, 20 parts of cyclodextrin, 60 parts of sodium diisooctyl sulfosuccinate, 10 parts of fumed silica, 10 parts of maleic anhydride grafted compatibilizer, and 10 parts of calcium stearate.

[0029] 2) Preparation of antibacterial fiber

[0030] 100 parts by weight of cotton and linen fibers are added to a 10% by mass sodium hydroxide solution, immersed at room temperature for 60 minutes, washed to neutrality and dried to obtain pretreated cotton and linen fibers; the pretreated cotton and linen fibers are added to 200 ml of acetone solution, and then 5 parts by weight of an antibacterial finishing functional agent (Shanghai Hutt ABM918) is added and mixed evenly, and then 10 ml of isophorone diisocyanate is added dropwise. After the addition is completed, the temperature is raised and stirred to react, and the antibacterial fiber is obtained by filtering, washing and drying.

[0031] 3) Preparation of anti-wrinkle and anti-shrinkage resin liquid

[0032] 10 parts by weight of polyvinyl alcohol are added to 400 parts by weight of deionized water, heated in an oil bath, condensed and refluxed, the temperature is raised to 80°C, and the reaction is carried out under stirring conditions of 800 rpm; 4 parts by weight of emulsifier and pH adjuster are continuously added, the pH is adjusted to 4, and the reaction is carried out under stirring conditions of 800 rpm; 100 parts by weight of vinyl acetate, 50 parts by weight of methyl acrylate and 0.1 parts of initiator ammonium persulfate are continuously added, and the reaction is carried out under stirring conditions of 800 rpm; the temperature is cooled to room temperature, filtered, and the material is discharged.

[0033] 4) Preparation of antibacterial and anti-wrinkle fabrics

[0034] The polyester elastic fiber and the antibacterial fiber are made into yarn in a mass ratio of 1:0.25; 2) the prepared yarn is dipped in an anti-wrinkle and shrinkage-resistant resin solution, and after the dipping and rolling, it is first dried at 90°C and then baked at 150°C to finally obtain an antibacterial and wrinkle-resistant fabric.

[0035] Example 2

[0036] 1) Preparation of polyester elastic fiber

[0037] Weigh 100 parts by weight of polyester chips, add the polyester chips to 50 parts by weight of the mixture and heat to obtain a polyester mixed melt; spin the obtained polyester mixed melt, and cool to obtain polyester elastic fiber. The mixture includes, by weight: 100 parts of polyether glycol, 40 parts of cyclodextrin, 70 parts of sodium diisooctyl sulfosuccinate, 20 parts of fumed silica, 15 parts of maleic anhydride grafted compatibilizer, and 20 parts of calcium stearate.

[0038] 2) Preparation of antibacterial fiber

[0039] 100 parts by weight of cotton and linen fibers are added to a 10% by mass sodium hydroxide solution, immersed at room temperature for 50 minutes, washed to neutrality and dried to obtain pretreated cotton and linen fibers; the pretreated cotton and linen fibers are added to 300 ml of acetone solution, and then 8 parts by weight of an antibacterial finishing functional agent (Shanghai Hutt ABM918) is added and mixed evenly, and then 15 ml of isophorone diisocyanate is added dropwise. After the addition is completed, the temperature is raised and stirred to react, and the antibacterial fiber is obtained by filtering, washing and drying.

[0040] 3) Preparation of anti-wrinkle and anti-shrinkage resin liquid

[0041] Add 12 parts by weight of polyvinyl alcohol to 500 parts by weight of deionized water, heat in an oil bath, condense and reflux, raise the temperature to 90°C, and react under stirring conditions at 1000 rpm; continue to add 5 parts by weight of emulsifier and pH adjuster, adjust the pH to 5, and continue to react under stirring conditions at 1000 rpm; continue to add 100 parts by weight of vinyl acetate, 55 parts by weight of methyl acrylate and 0.3 parts of initiator ammonium persulfate, and continue to react under stirring conditions at 1000 rpm; cool to room temperature, filter, and discharge.

[0042] 4) Preparation of antibacterial and anti-wrinkle fabrics

[0043] The polyester elastic fiber and the antibacterial fiber are made into yarn in a mass ratio of 1:0.35; 2) the prepared yarn is dipped in an anti-wrinkle and shrinkage-resistant resin solution, and after the dipping and rolling, it is first dried at 100°C and then baked at 160°C to finally obtain an antibacterial and wrinkle-resistant fabric.

[0044] Example 3

[0045] 1) Preparation of polyester elastic fiber

[0046] Weigh 100 parts by weight of polyester chips, add the polyester chips to 50 parts by weight of the mixture and heat to obtain a polyester mixed melt; spin the obtained polyester mixed melt, and cool to obtain polyester elastic fiber. The mixture includes, by weight: 100 parts of polyether glycol, 50 parts of cyclodextrin, 80 parts of sodium diisooctyl sulfosuccinate, 15 parts of fumed silica, 120 parts of maleic anhydride grafted compatibilizer, and 15 parts of calcium stearate.

[0047] 2) Preparation of antibacterial fiber

[0048] 100 parts by weight of cotton and linen fibers are added to a 10% by mass sodium hydroxide solution, immersed at room temperature for 60 minutes, washed to neutrality and dried to obtain pretreated cotton and linen fibers; the pretreated cotton and linen fibers are added to 200 ml of acetone solution, and then 5 parts by weight of an antibacterial finishing functional agent (Shanghai Hutt ABM918) is added and mixed evenly, and then 10 ml of isophorone diisocyanate is added dropwise. After the addition is completed, the temperature is raised and stirred to react, and the antibacterial fiber is obtained by filtering, washing and drying.

[0049] 3) Preparation of anti-wrinkle and anti-shrinkage resin liquid

[0050] Add 15 parts by weight of polyvinyl alcohol to 600 parts by weight of deionized water, heat in an oil bath, condense and reflux, raise the temperature to 90°C, and react under stirring conditions at 1000 rpm; continue to add 6 parts by weight of emulsifier and pH adjuster, adjust the pH to 6, and continue to react under stirring conditions at 1000 rpm; continue to add 100 parts by weight of vinyl acetate, 60 parts by weight of methyl acrylate and 0.5 parts of initiator potassium persulfate, and continue to react under stirring conditions at 1000 rpm; cool to room temperature, filter, and discharge.

[0051] 4) Preparation of antibacterial and anti-wrinkle fabrics

[0052] 1) preparing yarns of polyester elastic fiber and antibacterial fiber in a mass ratio of 1:0.30; 2) impregnating the prepared yarns in an anti-wrinkle and shrink-proof resin solution, drying the yarns at 95°C, and then baking the yarns at 158°C to obtain antibacterial and anti-wrinkle fabrics.

[0053] The antibacterial and anti-wrinkle performance tests were conducted on the antibacterial and anti-wrinkle fabrics prepared in Examples 1 to 3. The antibacterial performance test was conducted in accordance with GB / T 31713-2015 standard. It was found that the inhibition rate of Escherichia coli in Examples 1 to 3 was more than 99.5%. In particular, after three washes, the shrinkage rate of the fabric was less than 5%; after 50 washes, the inhibition rate of Escherichia coli could still reach more than 99.0%.

[0054] The anti-wrinkle performance test was conducted on an elastic recovery instrument according to the T / CNTAC 65-2020 standard. It was found that the anti-wrinkle fabrics of Examples 1 to 3 had a quick rebound recovery angle of up to 332° and a slow rebound recovery angle of up to 363°.

[0055] From the test results, the antibacterial and anti-wrinkle fabrics of Examples 1 to 3 of the present invention have strong strength and elastic recovery ability, as well as good antibacterial effect, thereby meeting the antibacterial and anti-wrinkle requirements of the fabric. Therefore, the antibacterial and anti-wrinkle fabrics of the present invention have important application prospects in the field of textiles, especially knitted blended fabrics, such as for the production of knitted blended cushions.

Claims

1. An antibacterial and anti-wrinkle fabric, characterized in that: The antibacterial and wrinkle-proof fabric is made of polyester elastic fiber and antibacterial fiber in a mass ratio of 1:0.25-0.35 to make yarn, and then the made yarn is padded and finished in an anti-wrinkle and shrink-proof resin liquid, and dried for weaving to obtain the antibacterial and wrinkle-proof fabric; The anti-wrinkle and anti-shrinkage resin liquid is prepared from the following components: 100 parts of vinyl acetate, 50-60 parts of methyl acrylate, 10-15 parts of polyvinyl alcohol, 4-6 parts of emulsifier, 0.1-0.5 parts of initiator, and 400-600 parts of deionized water; The anti-wrinkle and shrinkage-resistant resin liquid is prepared by the following steps: 1) adding polyvinyl alcohol to deionized water, heating in an oil bath, condensing and reflux, raising the temperature to 80-90°C, stirring and reacting for 40-60 minutes at 800-1000 rpm; 2) continuously adding an emulsifier and a pH regulator, adjusting the pH to 4-6, stirring and reacting for 5-10 minutes at 800-1000 rpm; 3) continuously adding vinyl acetate, methyl acrylate and an initiator, stirring and reacting for 20-30 minutes at 800-1000 rpm; cooling to room temperature, filtering, and discharging; The emulsifier is selected from one of polyoxyethylene fatty alcohol ether and castor oil polyoxyethylene ether; The initiator is selected from ammonium persulfate or potassium persulfate; The elastic fiber is prepared by the following steps: 1) weighing polyester chips according to weight, adding the polyester chips into a mixture and heating the mixture to obtain a polyester mixed melt; 2) spinning the obtained polyester mixed melt, and obtaining polyester elastic fiber after cooling; The mixture comprises, by mass, 100 parts of polyether glycol, 20-60 parts of cyclodextrin, 60-80 parts of sodium diisooctyl sulfosuccinate, 10-20 parts of fumed silica, 10-20 parts of maleic anhydride grafted compatibilizer, and 10-20 parts of calcium stearate.

2. The antibacterial and anti-wrinkle fabric according to claim 1, characterized in that: The antibacterial fiber is prepared by the following steps: 1) adding cotton and linen fibers into a sodium hydroxide solution, immersing at room temperature, washing to neutrality and drying to obtain pretreated cotton and linen fibers; 2) adding the pretreated cotton and linen fibers into an acetone solution, then adding an antibacterial finishing functional agent and mixing evenly, then adding isophorone diisocyanate dropwise, after the addition is complete, heating and stirring to react, filtering, washing and drying to obtain the antibacterial fiber.

3. A method for producing the antibacterial and anti-wrinkle fabric according to claim 1 or 2, characterized in that: The production method comprises the following steps: 1) preparing yarns from polyester elastic fiber and antibacterial fiber in a mass ratio of 1:0.25-0.35; 2) impregnating the prepared yarns in an anti-wrinkle and anti-shrinkage resin solution, and after impregnation, drying the yarns at 90-100°C, and then baking the yarns at 150-160°C, to finally obtain antibacterial and anti-wrinkle fabrics.

4. Use of the antibacterial and anti-wrinkle fabric according to claim 1 or 2, characterized in that: Used to produce knitted blended fabrics.