阅读说明：本技术 一种高吸湿抗菌复合面料的制备方法 (Preparation method of high-moisture-absorption antibacterial composite fabric ) 是由 宋菲 宋洪强 于 2020-05-26 设计创作，主要内容包括：本发明提供了一种高吸湿抗菌复合面料的制备方法,其特征在于,包括以下步骤：在室温下,将丙烯酸盐溶液、丙烯酰胺、交联剂和水混合,得到反应液；在氮气或氩气保护下,将所述反应液和引发剂混合,进行溶液聚合反应,得到聚合物溶液；在室温下,将所述聚合物溶液、硫酸镁和抗菌物,进行共混复合反应,得到高吸湿抗菌树脂；将所述高吸湿抗菌树脂热交联,再经乙醇洗涤、干燥、研磨,得到高吸湿抗菌树脂微粒；将所述高吸湿抗菌树脂微粒与ES纤维混合,采用非织造布生产工艺制得高吸湿抗菌功能层。将多层材料按照面层、热熔胶网膜、所述高吸湿抗菌功能层、热熔胶网膜、内层的顺序设置,使用热扎复合工艺,制得高吸湿抗菌复合面料。本发明的制备方法简单、实用性强,所制备的复合面料不仅舒适、耐用,而且具有高吸湿、抗菌的功能。(The invention provides a preparation method of a high-moisture-absorption antibacterial composite fabric, which is characterized by comprising the following steps of: mixing an acrylate solution, acrylamide, a cross-linking agent and water at room temperature to obtain a reaction solution; under the protection of nitrogen or argon, mixing the reaction solution with an initiator to carry out solution polymerization reaction to obtain a polymer solution; at room temperature, carrying out blending composite reaction on the polymer solution, magnesium sulfate and an antibacterial substance to obtain high-moisture-absorption antibacterial resin; carrying out thermal crosslinking on the high-moisture-absorption antibacterial resin, and then washing, drying and grinding the high-moisture-absorption antibacterial resin by using ethanol to obtain high-moisture-absorption antibacterial resin particles; and mixing the high-moisture-absorption antibacterial resin particles with ES fibers, and preparing the high-moisture-absorption antibacterial functional layer by adopting a non-woven fabric production process. And arranging the multilayer material according to the sequence of the surface layer, the hot melt adhesive net film, the high moisture absorption antibacterial functional layer, the hot melt adhesive net film and the inner layer, and preparing the high moisture absorption antibacterial composite fabric by using a hot-rolling composite process. The preparation method is simple and strong in practicability, and the prepared composite fabric is comfortable and durable and has high moisture absorption and antibacterial functions.)

1. the preparation method of the high-moisture-absorption antibacterial composite fabric is characterized by comprising the following steps of:

neutralizing acrylic acid by using one or more of a sodium hydroxide solution, a potassium hydroxide solution and ammonia water in an ice-water bath to obtain an acrylate solution;

mixing the acrylate solution, acrylamide, a cross-linking agent and water at room temperature to obtain a reaction solution;

under the protection of nitrogen or argon, mixing the reaction solution with an initiator to carry out solution polymerization reaction to obtain a polymer solution;

at room temperature, carrying out blending composite reaction on the polymer solution, magnesium sulfate and an antibacterial substance to obtain high-moisture-absorption antibacterial resin;

carrying out thermal crosslinking on the high-moisture-absorption antibacterial resin, and then washing, drying and grinding the high-moisture-absorption antibacterial resin by using ethanol to obtain high-moisture-absorption antibacterial resin particles;

mixing the high-moisture-absorption antibacterial resin particles with ES fibers, and preparing a high-moisture-absorption antibacterial functional layer by adopting a non-woven fabric production process;

and arranging the multilayer material according to the sequence of the surface layer, the hot melt adhesive net film, the high moisture absorption antibacterial functional layer, the hot melt adhesive net film and the inner layer, and preparing the high moisture absorption antibacterial composite fabric by using a hot-rolling composite process.

2. The method according to claim 1, wherein the acrylate solution has a pH of 6 to 8;

the mass ratio of the acrylamide to the acrylic acid is (30-50): 100, respectively;

the mass ratio of the total mass of the acrylamide and the acrylic acid to the magnesium sulfate is 100: (1-5);

the mass ratio of the total mass of the acrylamide and the acrylic acid to the antibacterial substance is 100: (1-10);

the mass ratio of the total mass of the acrylamide and the acrylic acid to the cross-linking agent is 100: (0.1 to 0.5);

the mass ratio of the total mass of the acrylamide and the acrylic acid to the initiator is 100: (0.5 to 2);

the total concentration of acrylic acid and acrylamide in the reaction liquid is 30-50 wt%.

3. The production method according to claim 1 or 2, characterized in that the initiator includes one of ammonium persulfate, potassium persulfate, ammonium persulfate/sodium bisulfite, and potassium persulfate/sodium bisulfite; the cross-linking agent comprises one of N, N-methylene bisacrylamide, glutaraldehyde, N-hydroxymethyl acrylamide, hydroxyethyl acrylate and hydroxypropyl acrylate.

4. The preparation method according to claim 1 or 2, wherein the antibacterial substance is one or more of nano silver, nano zinc oxide, goldthread alcohol extract, isatis leaf alcohol extract, artemisia leaf extract and graphene oxide.

5. The method according to claim 1, wherein the solution polymerization is carried out at a temperature of 60 to 80 ℃ for 1 to 2 hours.

6. The method according to claim 1, wherein the fine particles of the highly hygroscopic antibacterial resin have a particle size of 30 to 80 μm.

7. The preparation method according to claim 1, wherein the mixing mass ratio of the high moisture absorption antibacterial resin particles to the ES fibers is 100: (150-360).

8. The preparation method according to claim 1, wherein the production process of the non-woven fabric adopted by the high moisture absorption antibacterial functional layer is a hot air or hot rolling non-woven process, and the temperature of the hot air or hot rolling is 130-150 ℃.

9. The preparation method according to claim 1, wherein the surface layer is a polyester fabric or a nylon fabric; the adhesive layer is one or more of an EVA hot melt adhesive net film, a TPU hot melt adhesive net film, a PES hot melt adhesive net film and a PA hot melt adhesive net film; the inner layer is one or more of viscose fabric, cotton/viscose fabric and polyester/cotton fabric.

10. The preparation method of claim 1, wherein the multilayer material is prepared by a hot rolling composite process, the pressure is 0.2-0.5 MPa, and the temperature is 120-180 ℃.

Technical Field

The invention relates to the field of textile fabrics, in particular to a preparation method of a high-moisture-absorption antibacterial composite fabric.

Background

When people do high-temperature environment, strenuous exercise, long-time physical labor, wear thick and heavy clothes and the like, a large amount of sweat can be released, bacteria are easy to breed in the humid and warm environment, the human body is uncomfortable, and even the symptoms such as skin allergy, inflammation and the like are caused. The conventional textile fabric mainly comprises raw materials such as cotton, hemp, silk, wool, terylene and chinlon, has insufficient hygroscopicity and antibacterial property, can not absorb a large amount of sweat generated by a human body, can not provide a strong antibacterial and bacteriostatic function, and avoids the symptoms such as discomfort of the human body and skin allergy. Along with the increasing living standard, people pay more and more attention to the comfort and the functionality of textiles, and the traditional textile fabric can not well meet the use requirements of people.

Disclosure of Invention

In view of the above, the invention aims to provide a preparation method of a high-moisture-absorption antibacterial composite fabric. The high-moisture-absorption antibacterial composite fabric provided by the invention has high moisture absorption and better antibacterial property.

In order to achieve the above object, the present invention provides the following technical solutions: the preparation method of the high-moisture-absorption antibacterial composite fabric is characterized by comprising the following steps of:

neutralizing acrylic acid by using one or more of a sodium hydroxide solution, a potassium hydroxide solution and ammonia water in an ice-water bath to obtain an acrylate solution;

mixing the acrylate solution, acrylamide, a cross-linking agent and water at room temperature to obtain a reaction solution;

under the protection of nitrogen or argon, mixing the reaction solution with an initiator to carry out solution polymerization reaction to obtain a polymer solution;

at room temperature, carrying out blending composite reaction on the polymer solution, magnesium sulfate and an antibacterial substance to obtain high-moisture-absorption antibacterial resin;

carrying out thermal crosslinking on the high-moisture-absorption antibacterial resin, and then washing, drying and grinding the high-moisture-absorption antibacterial resin by using ethanol to obtain high-moisture-absorption antibacterial resin particles;

and mixing the high-moisture-absorption antibacterial resin particles with ES fibers, and preparing the high-moisture-absorption antibacterial functional layer by adopting a non-woven fabric production process.

And arranging the multilayer material according to the sequence of the surface layer, the hot melt adhesive net film, the high moisture absorption antibacterial functional layer, the hot melt adhesive net film and the inner layer, and preparing the high moisture absorption antibacterial composite fabric by using a hot-rolling composite process.

Preferably, the pH value of the acrylate solution is 6-8.

Preferably, the mass ratio of the acrylamide to the acrylic acid is (30-50): 100, respectively;

preferably, the mass ratio of the total mass of the acrylamide and the acrylic acid to the magnesium sulfate is 100: (1-5);

preferably, the mass ratio of the total mass of the acrylamide and the acrylic acid to the antibacterial material is 100: (1-10);

preferably, the mass ratio of the total mass of the acrylamide and the acrylic acid to the cross-linking agent is 100: (0.1 to 0.5);

preferably, the mass ratio of the total mass of the acrylamide and the acrylic acid to the initiator is 100: (0.5 to 2);

preferably, the total concentration of acrylic acid and acrylamide in the reaction liquid is 30-50 wt%.

Preferably, the initiator comprises one of ammonium persulfate, potassium persulfate, ammonium persulfate/sodium bisulfite and potassium persulfate/sodium bisulfite; the cross-linking agent comprises one of N, N-methylene bisacrylamide, glutaraldehyde, N-hydroxymethyl acrylamide, hydroxyethyl acrylate and hydroxypropyl acrylate.

Preferably, the antibacterial substance is one or more of nano silver, nano zinc oxide, coptis chinensis alcohol extract, folium isatidis alcohol extract, folium artemisiae argyi extract and graphene oxide.

Preferably, the temperature of the solution polymerization reaction is 60-80 ℃ and the time is 1-2 h.

Preferably, the high moisture absorption antibacterial resin fine particles have a particle size of 30 to 80 μm.

Preferably, the mixing mass ratio of the high moisture absorption antibacterial resin particles to the ES fibers is 100: (150-360).

Preferably, the production process of the non-woven fabric adopted by the preparation of the high-moisture-absorption antibacterial functional layer is a hot air or hot rolling non-woven process, and the hot air or hot rolling temperature is 130-150 ℃.

Preferably, the surface layer is a polyester fabric or a chinlon fabric; the adhesive layer is one or more of an EVA hot melt adhesive net film, a TPU hot melt adhesive net film, a PES hot melt adhesive net film and a PA hot melt adhesive net film; the inner layer is one or more of viscose fabric, cotton/viscose fabric and polyester/cotton fabric.

Preferably, the multilayer material adopts a hot rolling composite process, the pressure is 0.2-0.5 Mpa, and the temperature is 120-180 ℃.

The invention provides the high-moisture-absorption antibacterial composite fabric prepared by the preparation method in the technical scheme.

Compared with the prior art, the invention has the beneficial effects that:

(1) the high-moisture-absorption antibacterial functional layer contains high-moisture-absorption antibacterial resin particles, has excellent absorption on sweat of a human body, and is combined with the preferable surface layer, the hot melt adhesive net film and the inner layer, so that the fabric is endowed with excellent moisture permeability and air permeability, and the comfort of the human body can be obviously improved.

(2) The high-moisture-absorption antibacterial functional layer contains high-moisture-absorption antibacterial resin particles, so that the composite fabric has better antibacterial property, and the condition of skin discomfort or inflammation is avoided.

(3) Magnesium sulfate is contained in the high-moisture-absorption antibacterial resin particles, and during the moisture absorption swelling process of the high-moisture-absorption antibacterial resin particles, part of the magnesium sulfate is dissociated to form Mg²⁺with-COO on macromolecular chains^-And the combination forms an ionic crosslinking network, so that the absorption of the high-moisture-absorption antibacterial functional layer on human sweat is further improved.

Drawings

Fig. 1 is a schematic structural view of the high-moisture-absorption antibacterial composite fabric.

In the figure: 1. a surface layer; 2. a high moisture absorption antibacterial functional layer; 3. an inner layer; 4. and (5) an adhesive layer.

FIG. 2 is a schematic view of an ionomer network.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.