阅读说明：本技术 一种纺织面料用抗菌剂的制备方法 (Preparation method of antibacterial agent for textile fabric ) 是由 王言 苏木兰 王思记 于 2019-11-25 设计创作，主要内容包括：本发明属于纺织面料技术领域,具体涉及一种纺织面料用抗菌剂的制备方法。本申请以混合单体作为原料,在引发剂的作用下,进行聚合,形成微球,使用钛酸四丁酯作为基础料,在一定作用下,反应形成纳米二氧化钛沉积在微球表面,再利用油酸进行包裹,提高分散性,随后通过煅烧,使其形成形成表面多孔,内部中空的高活性二氧化钛颗粒,一是提高附着吸附性,二是增加了抗菌性能,随后再与三乙醇胺、硼酸等进行反应,通过反应形成带有硼元素的抗菌物质,接枝在多孔颗粒表面,同时吸附在中空部分,提高了抗菌性及抗菌时间。(The invention belongs to the technical field of textile fabrics, and particularly relates to a preparation method of an antibacterial agent for textile fabrics. This application is with mixed monomer as the raw materials, under the effect of initiator, polymerize, form the microballon, use tetrabutyl titanate as the base material, under certain effect, the reaction forms nanometer titanium dioxide deposit on the microballon surface, it wraps up to recycle oleic acid, improve the dispersibility, through calcining afterwards, make it form and form surperficial porous, inside hollow high activity titanium dioxide granule, firstly, improve the adhesion adsorption nature, secondly, antibacterial property has been increased, subsequently react with triethanolamine, boric acid etc. again, form the antibiotic material that has the boron element through the reaction, graft on porous particle surface, adsorb simultaneously in hollow portion, antibacterial property and antibiotic time have been improved.)

1. The preparation method of the antibacterial agent for the textile fabric is characterized by comprising the following steps:

(1) taking 130-150 parts by weight of mixed solvent, 30-50 parts by weight of tetrabutyl titanate, 20-23 parts by weight of water, 18-22 parts by weight of mixed monomer, 10-12 parts by weight of added particles, 9-12 parts by weight of auxiliary agent and 6-9 parts by weight of initiator, firstly putting the mixed solvent and the tetrabutyl titanate into a reaction kettle, using nitrogen protection, and preheating at 50-60 ℃;

(2) after preheating is finished, adding a mixed monomer and an initiator, heating to 130-135 ℃, stirring for reaction, cooling, adding an auxiliary agent, uniformly mixing, standing, discharging, freeze-drying, and collecting a dried substance;

(3) placing the freeze-dried material into a calcining furnace for calcining, crushing, sieving, collecting sieved particles, mixing and soaking the sieved particles and an organic acid solution according to a mass ratio of 1: 3-5, filtering, and collecting filter residues;

(4) according to the weight parts, 160-165 parts of acetone, 60-65 parts of filter residue, 30-35 parts of glycerol, 22-26 parts of triethanolamine, 13-16 parts of boric acid and 2-5 parts of catalyst are taken, firstly, the acetone, the filter residue, the glycerol, the boric acid and the catalyst are placed into a reaction kettle, nitrogen is used for protection, heating reaction and cooling are carried out, the triethanolamine is added, heating, stirring and cooling are carried out, discharging is carried out, discharging materials are collected, concentration is carried out, and the concentrate is collected, so that the antibacterial agent for the textile fabric is obtained.

2. The preparation method of the antibacterial agent for the textile fabric according to claim 1, wherein the mixed solvent in the step (1) is formed by mixing absolute ethyl alcohol and oleic acid according to a volume ratio of 12: 2-4.

3. The preparation method of the antibacterial agent for the textile fabric according to claim 1, wherein the mixed monomer is prepared by mixing methyl methacrylate and maleic anhydride according to a mass ratio of 7: 1-3.

4. The preparation method of the antibacterial agent for the textile fabric according to claim 1, wherein the additive particles are formed by mixing strontium sulfate and sodium carbonate according to a mass ratio of 7: 3-5.

5. The method for preparing the antibacterial agent for the textile fabric according to claim 1, wherein the auxiliary agent is any one of sodium bicarbonate and ammonium bicarbonate.

6. The method for preparing the antibacterial agent for the textile fabric according to claim 1, wherein the initiator is any one of ammonium persulfate and sodium persulfate.

7. The preparation method of the antibacterial agent for the textile fabric according to claim 1, wherein the organic acid solution in the step (3) is prepared by mixing any one of citric acid and malic acid with water according to a mass ratio of 3: 7-10.

8. The method for preparing the antibacterial agent for the textile fabric according to claim 1, wherein the catalyst in the step (4) is a strongly acidic styrene cation exchange resin.

Technical Field

The invention belongs to the technical field of textile fabrics, and particularly relates to a preparation method of an antibacterial agent for textile fabrics.

Background

The textile fabric is also called as knitted fabric, and is divided into two types of weft knitted fabric and warp knitted fabric according to a weaving method, the weft knitted fabric is usually made of low-elasticity polyester yarns or special-shaped polyester yarns, polyamide yarns, cotton yarns, wool yarns and the like as raw materials, and is knitted on various weft knitting machines by adopting a plain stitch, a variable plain stitch, a rib plain stitch, a double rib plain stitch, a jacquard weave, a terry weave and the like.

The finishing after weaving of the knitted fabric by using the antibacterial finishing agent is a unique way for solving the problem for many years, the fabric finishing of the antibacterial finishing agent firmly endows the knitted fabric with a certain antibacterial and bacteriostatic effect, but pollution emission and energy re-consumption are increased because the finishing is carried out in an aqueous solution environment and the fabric needs to be dried again, and meanwhile, the heavy metal ions such as silver in the common soft finishing agent have the risks of harming human health, causing nondegradable heavy metals and easily falling off to pollute the environment, so the existing knitted fabric needs to be improved.

Disclosure of Invention

The invention aims to solve the technical problems that the antibacterial property of the existing textile fabric is poor, and the existing antibacterial agent has poor degradability and is easy to fall off, and provides a preparation method of the antibacterial agent for the textile fabric.

In order to solve the technical problems, the invention adopts the following technical scheme:

a preparation method of an antibacterial agent for textile fabric comprises the following steps:

(1) taking 130-150 parts by weight of mixed solvent, 30-50 parts by weight of tetrabutyl titanate, 20-23 parts by weight of water, 18-22 parts by weight of mixed monomer, 10-12 parts by weight of added particles, 9-12 parts by weight of auxiliary agent and 6-9 parts by weight of initiator, firstly putting the mixed solvent and the tetrabutyl titanate into a reaction kettle, using nitrogen protection, and preheating at 50-60 ℃;

(2) after preheating is finished, adding a mixed monomer and an initiator, heating to 130-135 ℃, stirring for reaction, cooling, adding an auxiliary agent, uniformly mixing, standing, discharging, freeze-drying, and collecting a dried substance;

(3) placing the freeze-dried material into a calcining furnace for calcining, crushing, sieving, collecting sieved particles, mixing and soaking the sieved particles and an organic acid solution according to a mass ratio of 1: 3-5, filtering, and collecting filter residues;

(4) according to the weight parts, 160-165 parts of acetone, 60-65 parts of filter residue, 30-35 parts of glycerol, 22-26 parts of triethanolamine, 13-16 parts of boric acid and 2-5 parts of catalyst are taken, firstly, the acetone, the filter residue, the glycerol, the boric acid and the catalyst are placed into a reaction kettle, nitrogen is used for protection, heating reaction and cooling are carried out, the triethanolamine is added, heating, stirring and cooling are carried out, discharging is carried out, discharging materials are collected, concentration is carried out, and the concentrate is collected, so that the antibacterial agent for the textile fabric is obtained. The mixed solvent in the step (1) is formed by mixing absolute ethyl alcohol and oleic acid according to the volume ratio of 12: 2-4.

The mixed monomer is formed by mixing methyl methacrylate and maleic anhydride according to a mass ratio of 7: 1-3.

The additive particles are formed by mixing strontium sulfate and sodium carbonate according to a mass ratio of 7: 3-5.

The auxiliary agent is any one of sodium bicarbonate and ammonium bicarbonate.

The initiator is any one of ammonium persulfate and sodium persulfate.

The organic acid solution in the step (3) is prepared by mixing any one of citric acid and malic acid with water according to the mass ratio of 3: 7-10.

The catalyst in the step (4) is strong acid styrene cation exchange resin.

Compared with other methods, the method has the beneficial technical effects that:

this application is with mixed monomer as the raw materials, under the effect of initiator, polymerize, form the microballon, use tetrabutyl titanate as the base material, under certain effect, the reaction forms nanometer titanium dioxide deposit on the microballon surface, it wraps up to recycle oleic acid, improve the dispersibility, through calcining afterwards, make it form and form surperficial porous, inside hollow high activity titanium dioxide granule, firstly, improve the adhesion adsorption nature, secondly, antibacterial property has been increased, subsequently react with triethanolamine, boric acid etc. again, form the antibiotic material that has the boron element through the reaction, graft on porous particle surface, adsorb simultaneously in hollow portion, antibacterial property and antibiotic time have been improved.

Detailed Description

The mixed solvent is formed by mixing absolute ethyl alcohol and oleic acid according to the volume ratio of 12: 2-4.

The mixed monomer is formed by mixing methyl methacrylate and maleic anhydride according to a mass ratio of 7: 1-3.

The additive particles are formed by mixing strontium sulfate and sodium carbonate according to the mass ratio of 7: 3-5.

The auxiliary agent is any one of sodium bicarbonate and ammonium bicarbonate.

The initiator is any one of ammonium persulfate and sodium persulfate.

The organic acid solution is prepared by mixing any one of citric acid and malic acid with water according to the mass ratio of 3: 7-10. The catalyst is strong acid styrene cation exchange resin.

A preparation method of an antibacterial agent for textile fabric comprises the following steps:

(1) taking 130-150 parts by weight of mixed solvent, 30-50 parts by weight of tetrabutyl titanate, 20-23 parts by weight of water, 18-22 parts by weight of mixed monomer, 10-12 parts by weight of added particles, 9-12 parts by weight of auxiliary agent and 6-9 parts by weight of initiator, firstly putting the mixed solvent and the tetrabutyl titanate into a reaction kettle, using nitrogen protection, and preheating for 30-40 min at 50-60 ℃;

(2) after preheating is finished, adding a mixed monomer and an initiator, heating to 130-135 ℃, stirring for reacting for 4-6 h, cooling to 45-50 ℃, adding an auxiliary agent, uniformly mixing, standing for 3-5 h, discharging, freeze-drying, and collecting a dried substance;

(3) calcining the freeze-dried substance in a calcining furnace at 700-800 ℃ for 2h, crushing, sieving with a 200-mesh sieve, collecting sieved particles, mixing the sieved particles with an organic acid solution according to a mass ratio of 1: 3-5, soaking for 5h, filtering, and collecting filter residues;

(4) according to the weight parts, 160-165 parts of acetone, 60-65 parts of filter residue, 30-35 parts of glycerol, 22-26 parts of triethanolamine, 13-16 parts of boric acid and 2-5 parts of catalyst are taken, firstly, the acetone, the filter residue, the glycerol, the boric acid and the catalyst are placed into a reaction kettle, the temperature is raised to 170 ℃ under the protection of nitrogen, the reaction is carried out for 8 hours, the temperature is lowered to 50 ℃, the triethanolamine is added, the temperature is raised to 80 ℃, the stirring is carried out for 4 hours, the cooling is carried out to the room temperature, the discharging material is collected, the discharging material is concentrated to 60% of the volume of the discharging material, and the concentrate is collected, so.