阅读说明：本技术 一种蚕丝蛋白多功能整理剂的制作方法及其在涤纶织物上的应用 (Preparation method of multifunctional fibroin finishing agent and application of multifunctional fibroin finishing agent to polyester fabric ) 是由 王明亮 许陈旺 李鹏 于 2021-08-18 设计创作，主要内容包括：本发明涉及一种蚕丝蛋白多功能整理剂的制作方法及其在涤纶织物上的应用。目前还没有一种蚕丝蛋白复配抗静电剂和硅油,制得保湿抗静电多功能整理助剂的方法。本发明包括如下步骤：1)将丝素蛋白粉加入水中,并升温至50～60℃溶解,配置成质量百分比为20～25%的丝素水溶液；2)多功能整理剂的配置：将丝素水溶液过滤,然后以300转/分钟的转速搅拌,加入抗静电剂和亲水硅油,配置成多功能整理剂,其中,丝素水溶液的重量份数为50～80份,亲水硅油的重量份数为3～10份,抗静电剂的重量份数为10～20份。本发明具有良好的回潮率,水洗5～10次后仍有良好的抗静电性能。(The invention relates to a preparation method of a multifunctional fibroin finishing agent and application of the multifunctional fibroin finishing agent to polyester fabrics. At present, a method for preparing a moisturizing antistatic multifunctional finishing auxiliary by compounding a fibroin antistatic agent and silicone oil does not exist. The invention comprises the following steps: 1) adding silk fibroin powder into water, heating to 50-60 ℃, dissolving, and preparing a silk fibroin aqueous solution with the mass percentage of 20-25%; 2) preparing a multifunctional finishing agent: the silk fibroin water solution is filtered, then stirred at the rotating speed of 300 revolutions per minute, and added with an antistatic agent and hydrophilic silicone oil to prepare the multifunctional finishing agent, wherein the weight parts of the silk fibroin water solution are 50-80 parts, the weight parts of the hydrophilic silicone oil are 3-10 parts, and the weight parts of the antistatic agent are 10-20 parts. The invention has good moisture regain and still has good antistatic performance after being washed for 5-10 times.)

1. A preparation method of a multifunctional fibroin finishing agent is characterized by comprising the following steps:

1) adding silk fibroin powder into water, heating to 50-60 ℃, dissolving, and preparing a silk fibroin aqueous solution with the mass percentage of 20-25%;

2) preparing a multifunctional finishing agent: the silk fibroin water solution is filtered, then stirred at the rotating speed of 300 revolutions per minute, and added with an antistatic agent and hydrophilic silicone oil to prepare the multifunctional finishing agent, wherein the weight parts of the silk fibroin water solution are 50-80 parts, the weight parts of the hydrophilic silicone oil are 3-10 parts, and the weight parts of the antistatic agent are 10-20 parts.

2. The method for preparing the multifunctional finishing agent of fibroin according to claim 1, wherein the molecular weight of fibroin in fibroin is 2-5 ten thousand daltons.

3. Use of the multifunctional fibroin finish according to claim 1 or 2 for dacron, characterized by comprising the following steps:

1) preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 15-30%;

2) padding the polyester fabric with finishing liquor, wherein the liquor carrying rate is 60-90%;

3) baking on a setting machine at the temperature of 140-150 ℃ for 90-120 s.

4. The use of the multifunctional fibroin finish of claim 3 in polyester fabrics, wherein the crosslinking agent is a polyalcohol polyamine type crosslinking agent.

5. The application of the multifunctional fibroin finishing agent to polyester fabrics is characterized in that the ratio of the cross-linking agent to the multifunctional finishing agent is 1: 4-5.

Technical Field

The invention relates to a preparation method of a multifunctional fibroin finishing agent and application of the multifunctional fibroin finishing agent to polyester fabrics, which ensure that the polyester fabrics have good moisture regain after finishing and still have good antistatic performance after being washed for 5-10 times.

Background

The silk fibroin is applied to the polyester fabric, so that the polyester fabric has excellent performances of high moisture retention, high comfort and the like. At present, scholars at home and abroad make a lot of researches on the aspect, periglacial researches on a method for grafting silk protein on polyester fabrics after acyl chlorination, tests on the related performances of moisture absorption and desorption and the like of the fabrics before and after finishing, and lays a foundation for the application of the silk protein on the polyester fabrics. Wuhui English researches the influence of different plasma action time, pressure intensity and reaction power on the hygroscopicity of the fibroin-finished PTT fabric, and finally discovers that the plasma treatment can improve the hygroscopicity of the fibroin-finished PTT fabric. In the silk fibroin coating polyester processing process, the poplar and Baichun are treated by rare earth metal ions, so that the coating rate of regenerated silk fibroin on silk fibroin coating polyester fibers can be improved, the hot water dissolution loss rate and the moisture regain of the silk fibroin coating fibers are reduced, the dyeing property, the dry-wet rubbing fastness and other properties of the silk fibroin coating fibers are improved, and the requirement of true silk surface serviceability of matrix fibers is met. And the glutaraldehyde of M.L.Gulrajani et al people is used as a cross-linking agent to coat the sericin on the polyester fabric, so that the moisture absorption, antistatic property and ultraviolet absorption performance of the finished fabric are obviously improved.

The fibroin finishing agent is prepared by adding fibroin and water-soluble chitosan into deionized water respectively, mixing, and sequentially adding a cationic softener and a polyurethane adhesive, wherein the finishing agent does not have an antistatic function.

At present, a method for preparing a moisturizing antistatic multifunctional finishing auxiliary by compounding a fibroin antistatic agent and silicone oil does not exist, so that the polyester fabric cannot be effectively ensured to have good moisture regain after finishing, and still have good antistatic performance after being washed for 5-10 times.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a method for preparing a multifunctional fibroin finishing agent which ensures that polyester fabrics have good moisture regain after finishing and still have good antistatic performance after being washed for 5-10 times and an application of the multifunctional fibroin finishing agent on the polyester fabrics.

The technical scheme adopted by the invention for solving the problems is as follows: the preparation method of the multifunctional fibroin finishing agent is characterized by comprising the following steps:

1) adding silk fibroin powder into water, heating to 50-60 ℃, dissolving, and preparing a silk fibroin aqueous solution with the mass percentage of 20-25%;

2) preparing a multifunctional finishing agent: the silk fibroin water solution is filtered, then stirred at the rotating speed of 300 revolutions per minute, and added with an antistatic agent and hydrophilic silicone oil to prepare the multifunctional finishing agent, wherein the weight parts of the silk fibroin water solution are 50-80 parts, the weight parts of the hydrophilic silicone oil are 3-10 parts, and the weight parts of the antistatic agent are 10-20 parts.

Preferably, the molecular weight of the fibroin in the silk fibroin is 2-5 ten thousand daltons.

Preferably, the silk fibroin of the present invention is silk fibroin of a human being through a silk pathway, or silk fibroin of a new world.

Preferably, the antistatic agent of the present invention is a negative nonionic type antistatic agent.

Preferably, the antistatic agent of the present invention is KF2032 of kokuk, or antistatic agent P of rihua.

Preferably, the hydrophilic silicone oil of the present invention is tanner RWS, or Posacide SRV.

The application of the multifunctional finishing agent for the fibroin on the polyester fabric is characterized by comprising the following steps:

1) preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 15-30%;

2) padding the polyester fabric with finishing liquor, wherein the liquor carrying rate is 60-90%;

3) baking on a setting machine at the temperature of 140-150 ℃ for 90-120 s.

Preferably, the crosslinking agent of the present invention is a polyol polyamine-based crosslinking agent.

Preferably, the crosslinker of the invention is a Tunna crosslinker AB or a Herster crosslinker 6100.

Preferably, the ratio of the cross-linking agent to the multifunctional finishing agent is 1: 4-5.

Compared with the prior art, the invention has the following advantages and effects: the preparation method is simple to operate, the natural fibroin mixed antistatic agent and the silicone oil are prepared into the multifunctional finishing agent, and the compound crosslinking agent is used for silk-like finishing on the terylene, so that the moisture content of the terylene is improved, the terylene has better moisture absorption and moisture retention performance, and has durable antistatic performance.

The process is simple, the proper fibroin is selected, the antistatic agent and the silicone oil are compounded to prepare the moisturizing antistatic multifunctional finishing auxiliary, the silk-like finishing is carried out on the terylene by adopting a rolling and baking method, the finished terylene fabric has good moisture regain, the terylene fabric still has good antistatic performance after being washed for 5-10 times, and meanwhile, the terylene fabric is smooth and quick to dry and has the skin-care and health-care functions.

The multifunctional finishing agent contains rich amino acid, can improve the moisture absorption and retention performance of the polyester fabric, and in addition, the antistatic agent also has good moisture retention capacity, can be used for promoting the moisture retention performance of the fabric in cooperation with the fibroin, and the hydrophilic silicone oil has hydrophilic ether bonds, so that on one hand, the fabric is endowed with smooth hand feeling, and meanwhile, the moisture absorption and retention performance of the fabric is prevented from being influenced by the water repellency of the conventional silicone oil.

Detailed Description

The present invention is further illustrated by the following examples, which are illustrative of the present invention and are not to be construed as being limited thereto.

Example 1.

Fabric: terylene plain weave 80g/m²。

The preparation method of the multifunctional fibroin finishing agent and the application of the multifunctional fibroin finishing agent in the embodiment to polyester fabrics comprise the following steps:

1) mixing the silk passerby albumen powder with water to prepare a solution, and preparing a fibroin aqueous solution with the mass percentage concentration of 20%.

2) Preparing a moisturizing antistatic multifunctional finishing agent: taking a silk fibroin aqueous solution, compounding an antistatic agent KF2032 and hydrophilic silicone oil SRV, and preparing a multifunctional finishing agent, wherein the concentration of the silk fibroin aqueous solution is 80%, the concentration of the hydrophilic silicone oil is 4%, and the concentration of the antistatic agent is 16%.

3) Preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 25%, and the ratio of the cross-linking agent 6100 to the fibroin solution is 1: 5.

4) The padding finishing liquid for the polyester fabric has the liquid carrying rate of 80 percent.

5) Baking on a setting machine at 150 ℃ for 90 s.

The performance comparison of the polyester fabrics before and after finishing is as follows:

	moisture content	Specific resistance
			Untreated polyester	0.3％	Insulator (>1012)
Treated polyester	1.0％	6*108

After washing for 5-10 times, the specific resistance of the treated polyester fabric is 2 x 10¹⁰This indicates that the treated samples have good moisture retention and antistatic properties with good wash durability.

Example 2.

Fabric: terylene satin 120g/m²。

The preparation method of the multifunctional fibroin finishing agent and the application of the multifunctional fibroin finishing agent in the embodiment to polyester fabrics comprise the following steps:

1) mixing silk passerby albumen powder with water to obtain solution, and preparing 25% silk fibroin water solution.

2) Preparing a moisturizing antistatic multifunctional finishing agent: taking a fibroin solution, compounding an antistatic agent KF2032 hydrophilic silicone oil RWS, and preparing into a multifunctional finishing agent, wherein the concentration of the fibroin solution is 70%, the concentration of the hydrophilic silicone oil is 10%, and the concentration of the antistatic agent is 20%.

3) Preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 20%, and the ratio of the cross-linking agent 6100 to the fibroin solution is 1: 4.

4) The padding finishing liquid for the polyester fabric has the liquid carrying rate of 70 percent.

5) Baking on a setting machine at the temperature of 140 ℃ for 120 s.

The performance comparison of the polyester fabrics before and after finishing is as follows:

	moisture content	Specific resistance
			Untreated polyester	0.3％	Insulator (>1012)
Treated polyester	1.0％	2*108

After washing for 5-10 times, treating specific electricity of sample polyester fabricThe resistance is 9 x 10⁹This indicates that the treated samples have good moisture retention and antistatic properties with good wash durability.

Example 3.

Fabric: polyester twill 150g/m²。

The preparation method of the multifunctional fibroin finishing agent and the application of the multifunctional fibroin finishing agent in the embodiment to polyester fabrics comprise the following steps:

1) mixing the silk passerby albumen powder with water to prepare a solution, and preparing a 20% fibroin aqueous solution.

2) Preparing a moisturizing antistatic multifunctional finishing agent: the silk fibroin solution is taken, and an antistatic agent P and hydrophilic silicone oil RWS are compounded to prepare the multifunctional finishing agent, wherein the concentration of the silk fibroin solution is 70%, the concentration of the hydrophilic silicone oil is 10%, and the concentration of the antistatic agent is 20%.

3) Preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 25%, and the ratio of the cross-linking agent AB to the fibroin solution is 1: 5.

4) The padding finishing liquid for the polyester fabric has the liquid carrying rate of 80 percent.

5) Baking on a setting machine at 150 ℃ for 120 s.

The performance comparison of the polyester fabrics before and after finishing is as follows:

	moisture content	Specific resistance
			Untreated polyester	0.3％	Insulator (>1012)
Treated polyester	1.0％	6*109

After washing for 5-10 times, the specific resistance of the treated polyester fabric is 3 x 10¹⁰This indicates that the treated samples have good moisture retention and antistatic properties with good wash durability.

Example 4.

The preparation method of the multifunctional fibroin finishing agent in the embodiment comprises the following steps:

1) adding silk fibroin powder into water, heating to 50-60 ℃, dissolving, and preparing a silk fibroin aqueous solution with the mass percentage of 20-25%;

2) preparing a multifunctional finishing agent: the silk fibroin water solution is filtered, then stirred at the rotating speed of 300 revolutions per minute, and added with an antistatic agent and hydrophilic silicone oil to prepare the multifunctional finishing agent, wherein the weight parts of the silk fibroin water solution are 50-80 parts, the weight parts of the hydrophilic silicone oil are 3-10 parts, and the weight parts of the antistatic agent are 10-20 parts.

The molecular weight of the silk fibroin in the silk fibroin is 2-5 kilodaltons, and the silk fibroin can be silk fibroin of a silk passer or silk fibroin of a new world. The antistatic agent is a negative nonionic antistatic agent, and can be KF2032 in Kokusan or P in Rihua. The hydrophilic silicone oil can be RWS of Tuonan and SRV of Posacet.

The application of the multifunctional fibroin finishing agent in the polyester fabric in the embodiment comprises the following steps:

1) preparing a finishing liquid by using a multifunctional finishing agent and a cross-linking agent, wherein the mass percent of the multifunctional finishing agent is 15-30%;

2) padding the polyester fabric with finishing liquor, wherein the liquor carrying rate is 60-90%;

3) baking on a setting machine at the temperature of 140-150 ℃ for 90-120 s.

Wherein the crosslinking agent is polyalcohol polyamine crosslinking agent, and the crosslinking agent can be Tunna crosslinking agent AB or Herster crosslinking agent 6100. The ratio of the cross-linking agent to the multifunctional finishing agent is 1: 4-5.

The multifunctional finishing agent is prepared by compounding the fibroin, the antistatic agent and the silicone oil, and is applied to finishing of the polyester fabric, so that the polyester fabric can obtain better moisture regain and durable antistatic performance, is smooth and quick to dry, and has skin-care and health-care functions.

The natural fibroin is finished on the polyester fabric, so that the polyester has better moisture content, the sense of oppression in the wearing process of the polyester is improved, the fabric has durable antistatic performance, and after 5-10 times of washing, the specific resistance of the fabric is less than 10¹¹In addition, the fabric is smooth and quick to dry, and has the functions of skin care and health care.

Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.