阅读说明：本技术 一种毛针织服装用防蛀、防霉整理剂的制备方法 (Preparation method of mothproof and mildewproof finishing agent for wool knitted clothes ) 是由 毛萍华 于 2020-05-12 设计创作，主要内容包括：本发明涉及一种毛针织服装用防蛀、防霉整理剂的制备方法,首先,自制纳米TiO2溶胶记为A；自制纳米SiO2溶胶记为B；然后,将百日菊提取物、野菊提取物和苯甲酸钠均匀混合,所得混合物按照质量比为1:2.5-2.9的比例加入到三聚磷酸钠-聚丙烯酸钠分散溶液中,搅拌分散20-30分钟,记为C；最后将A、B、C以及酯基季铵盐柔软剂稀释液按一定比例充分混合,本发明将纳米材料与植物材料结合,最终制备出绿色环保型防蛀防霉整理剂,其防霉和防蛀效果能够达到1级以上,同时对人体无危害,对环境无污染。(The invention relates to a preparation method of a mothproof and mildewproof finishing agent for wool knitted clothes, which comprises the following steps of firstly, self-preparing nano TiO2 sol A; self-made nano SiO2 sol is marked as B; then, uniformly mixing the zinnia elegans extract, the wild chrysanthemum extract and sodium benzoate, adding the obtained mixture into the sodium tripolyphosphate-sodium polyacrylate dispersion solution according to the mass ratio of 1:2.5-2.9, stirring and dispersing for 20-30 minutes, and marking as C; finally A, B, C and esterquat softener diluent are fully mixed according to a certain proportion, the invention combines the nanometer material with the plant material to finally prepare the environment-friendly moth and mildew resistant finishing agent, the mildew and moth resistant effect can reach more than grade 1, and simultaneously, the finishing agent is harmless to human body and has no pollution to environment.)

1. A preparation method of a mothproof and mildewproof finishing agent for wool knitted clothes is characterized by comprising the following steps:

(1) self-made nano TiO2 sol: weighing 0.12-0.14 mol of butyl titanate and 3.0-3.3 mol of absolute ethyl alcohol, mixing, adding 35-38 ml of deionized water and 0.12-0.15 mol of triethanolamine after uniformly stirring, dropwise adding ammonia water to adjust the pH value of a system to be 8.3-8.5, and carrying out water bath heating reaction under stirring, wherein the water bath reaction temperature is 50-60 ℃, and the reaction time is 2-3h, namely A;

(2) self-made nano SiO2 sol: weighing 0.10-0.12 mol of tetraethoxysilane and 1.2-1.3 mol of absolute ethyl alcohol, mixing, adding 20-25 ml of deionized water after uniformly stirring, dropwise adding ammonia water to adjust the pH value of a system to be 8.0-8.5, and carrying out water bath heating reaction under stirring, wherein the water bath reaction temperature is 40-50 ℃, the reaction time is 2.0-2.5h, and the mark is B;

(3) uniformly mixing the zinnia elegans extract, the wild chrysanthemum extract and sodium benzoate, adding the obtained mixture into the sodium tripolyphosphate-sodium polyacrylate dispersion solution according to the mass ratio of 1:2.5-2.9, stirring and dispersing for 20-30 minutes, and marking as C;

(4) and (3) mixing the prepared A, B, C according to the mass ratio of 20-30: 10-15: 30-35, then fully mixing with the ester-based quaternary ammonium salt softener diluent according to the mass ratio of 1:1.3-1.5, and uniformly stirring to prepare the mothproof and mildewproof finishing agent.

2. The method for preparing a moth-proof and mildew-proof finishing agent for wool knitted clothing according to claim 1, wherein the pH value of the ammonia water is between 11.0 and 11.2.

3. The preparation method of the mothproof and mildewproof finishing agent for wool knitted garments, according to the claim 1, is characterized in that the mixing mass ratio of the zinnia extract, the chrysanthemum indicum extract and the sodium benzoate in the step (3) is 6-8:10-12: 6-10.

4. The method for preparing the mothproof and mildewproof finishing agent for wool knitted garments, according to the claim 1, is characterized in that the preparation process of the sodium tripolyphosphate-sodium polyacrylate dispersion solution in the step (3) is as follows: weighing sodium tripolyphosphate and sodium polyacrylate according to the mass ratio of 1.5:1-1.5, adding deionized water with the volume of 4.0-5.0 times of that of the mixture, continuously stirring at the speed of 800-.

5. The method for preparing a mothproof and mildewproof finishing agent for wool knitted garments in claim 1, wherein the ester based quaternary ammonium salt softener diluent in the step (4) is obtained by mixing an ester based quaternary ammonium salt softener and deionized water according to a ratio of 1-1.5: 60-80.

Technical Field

The invention relates to the technical field of textile finishing agent preparation, in particular to a preparation method of a mothproof and mildewproof finishing agent for wool knitted clothing.

Background

With continuous deepening of innovation and continuous development of economic construction, the living standard of people is continuously improved, and people also put forward higher requirements on textile consumption.

At present, "green environmental protection, functionality and intelligence" becomes a new direction of the development of the current textiles.

Wool belongs to protein fibers, contains more than 20 amino acids, has stable space spiral shape among macromolecules, and has the excellent characteristics of good elasticity, good hygroscopicity, good heat retention, good physicochemical properties and the like, so that wool knitted clothing products made of the wool fibers are popular with people.

However, the wool knitted clothing products are easy to be damaged by worms and mildewed in the storage process, and bring much inconvenience to the life of people. Although a great variety of mothproof finishing agents and mildewproof finishing agents exist in the market, most of the mothproof finishing agents and the mildewproof finishing agents have certain low toxicity and have certain harm to the environment and the human body. Therefore, there is a need to develop a green and environmentally friendly dual-functional finishing agent having both moth-proofing and mildew-proofing functions.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a preparation technology of a moth-proof and mildew-proof finishing agent for wool knitted garments, which combines nano materials with plant materials to prepare a green environment-friendly moth-proof and mildew-proof finishing agent, and the finishing agent has the mildew-proof and moth-proof effects of more than 1 grade, is harmless to human bodies and has no pollution to the environment. The method is realized by the following technical scheme:

a preparation method of a mothproof and mildewproof finishing agent for wool knitted clothes comprises the following steps:

(1) self-made nano TiO2 sol: weighing 0.12-0.14 mol of butyl titanate and 3.0-3.3 mol of absolute ethyl alcohol, mixing, adding 35-38 ml of deionized water and 0.12-0.15 mol of triethanolamine after uniformly stirring, dropwise adding ammonia water to adjust the pH value of a system to be 8.3-8.5, and carrying out water bath heating reaction under stirring, wherein the water bath reaction temperature is 50-60 ℃, and the reaction time is 2-3h, namely A;

(2) self-made nano SiO2 sol: weighing 0.10-0.12 mol of tetraethoxysilane and 1.2-1.3 mol of absolute ethyl alcohol, mixing, adding 20-25 ml of deionized water after uniformly stirring, dropwise adding ammonia water to adjust the pH value of a system to be 8.0-8.5, and carrying out water bath heating reaction under stirring, wherein the water bath reaction temperature is 40-50 ℃, the reaction time is 2.0-2.5h, and the mark is B;

(3) uniformly mixing the zinnia elegans extract, the wild chrysanthemum extract and sodium benzoate, adding the obtained mixture into the sodium tripolyphosphate-sodium polyacrylate dispersion solution according to the mass ratio of 1:2.5-2.9, stirring and dispersing for 20-30 minutes, and marking as C;

(4) and (3) mixing the prepared A, B, C according to the mass ratio of 20-30: 10-15: 30-35, then fully mixing with the ester-based quaternary ammonium salt softener diluent according to the mass ratio of 1:1.3-1.5, and uniformly stirring to prepare the mothproof and mildewproof finishing agent.

Further, the pH value of the ammonia water is between 11.0 and 11.2.

Further, the mixing mass ratio of the zinnia extract to the chrysanthemum indicum extract to the sodium benzoate is 6-8:10-12: 6-10.

Further, the preparation process of the sodium tripolyphosphate-sodium polyacrylate dispersion solution in the step (3) comprises the following steps: weighing sodium tripolyphosphate and sodium polyacrylate according to the mass ratio of 1.5:1-1.5, adding deionized water with the volume of 4.0-5.0 times of that of the mixture, continuously stirring at the speed of 800-.

Further, the esterquat softener diluent in the step (4) is obtained by mixing an esterquat softener and deionized water according to the proportion of 1-1.5: 60-80.

The extracts of the zinnia elegans and the chrysanthemum indicum are produced by the Dianthaceae, Henan, bioengineering company.

Compared with the prior art, the invention has the following advantages: in order to solve a series of problems of the existing mothproof finishing agent and mildew-proof finishing agent, the invention provides a preparation method of the mothproof and mildew-proof finishing agent for wool knitted clothing, and the mothproof and mildew-proof finishing agent is prepared by mixing self-made nano TiO2 sol, nano SiO2 sol and plant materials according to a certain proportion, so that on one hand, the mothproof and mildew-proof finishing agent is green and environment-friendly, and reduces the pollution to the environment and the harm to human bodies; on the other hand, the mothproof and mildewproof finishing agent prepared by the technical scheme has excellent performance, the mildewproof and mothproof effects can reach more than level 1, the market demand is met, the production cost of enterprises is saved to a certain extent, the economic efficiency is brought to the society, the structural damage to wool fiber materials in the storage process is avoided, the service life of wool fiber fabrics is prolonged, the application and development of wool fibers in the aspect of textile and clothing are promoted, the sustainable development of wool resources is promoted, the practical significance of improving the performance of the wool fiber fabrics and improving the market competitiveness is realized, the rapid development and the sustainable development of the modern textile industry and the environmental protection industry are obviously promoted, and the mothproof and mildewproof finishing agent is a technical scheme which is very worthy of popularization and use.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described with reference to specific embodiments, and it should be understood that the specific embodiments described herein are only used for explaining the present invention and are not used for limiting the technical solutions provided by the present invention.