阅读说明：本技术 一种无磷无硅氧漂稳定剂及其制备方法 (Phosphorus-free and silicon-oxygen-free bleaching stabilizer and preparation method thereof ) 是由 韦筠寰 于 2019-02-14 设计创作，主要内容包括：本发明公开了一种无磷无硅氧漂稳定剂,包括以下重量份的原料：还原糖3．0～9．0%、醇胺1．0～6．0%、氨基羧酸盐0．5～3．0%、助剂1．0～4．0%、双氧水20～78%、螯合剂1．0～4．0%、稳定剂1．0～4．0%,以上原料的制备方法包括：1、预分散,2、搅拌混合,3、熟化,4、调整,5、检测,6、包装,本发明属新一代绿色环保型产品,可应用于棉、麻、涤纶及其混纺织物的双氧水漂白工艺,也可用于纸浆等纤维的双氧水漂白工艺,在水溶液中的配伍性、适应性好,织物漂白后纤维降解小、手感柔软、白度好,而且不含对环境有公害的磷、硅类物质。(The invention discloses a phosphorus-free and silicon-oxygen-free bleaching stabilizer which comprises the following raw materials in parts by weight: 3.0-9.0% of reducing sugar, 1.0-6.0% of alcohol amine, 0.5-3.0% of aminocarboxylate, 1.0-4.0% of auxiliary agent, 20-78% of hydrogen peroxide, 1.0-4.0% of chelating agent and 1.0-4.0% of stabilizer, and the preparation method of the raw materials comprises the following steps: 1. pre-dispersing, 2, stirring and mixing, 3, curing, 4, adjusting, 5, detecting, 6 and packaging, the invention belongs to a new generation of green environment-friendly products, can be applied to the hydrogen peroxide bleaching process of cotton, hemp, terylene and blended fabrics thereof, can also be applied to the hydrogen peroxide bleaching process of fibers such as paper pulp and the like, has good compatibility and adaptability in aqueous solution, and has small fiber degradation, soft hand feeling and good whiteness after the fabrics are bleached, and does not contain phosphorus and silicon substances which are harmful to the environment.)

1. The phosphorus-free and silicon-oxygen-free bleaching stabilizer is characterized by comprising the following raw materials in parts by weight: 3.0-9.0% of reducing sugar, 1.0-6.0% of alcohol amine, 0.5-3.0% of aminocarboxylate, 1.0-4.0% of auxiliary agent, 20-78% of hydrogen peroxide, 1.0-4.0% of chelating agent and 1.0-4.0% of stabilizing agent.

2. The phosphorus-free silicon-oxygen-free bleaching stabilizer according to claim 1, wherein the reducing sugar comprises crystal sugar mother liquor, waste molasses, cane sugar, fructose and beet sugar.

3. The phosphorus-free silicon-oxygen-free bleaching stabilizer according to claim 1, wherein the alcohol amine comprises monoethanolamine, diethanolamine and triethanolamine.

4. The phosphorus-free silicon-oxygen-free bleaching stabilizer according to claim 1, wherein the aminocarboxylate comprises sodium aminotriacetate and ethylenediamine tetraacetate.

5. The phosphorus-free silicon-oxygen-free bleaching stabilizer according to claim 1, wherein the auxiliary agent comprises hydrogen peroxide and peracetic acid.

6. A reducing sugar and an alcohol amine according to claim 2 or 3, characterized in that the reducing sugar and the alcohol amine are capable of controlling the decomposition rate of hydrogen peroxide and the release rate of atomic oxygen.

7. The phosphorus-free and silicon-oxygen-free bleaching stabilizer according to claim 1, wherein the hydrogen peroxide generally has less damage to cotton fibers than sodium hypochlorite, and the bleached textile has high whiteness and less weight loss, so that the discontinuous oxygen bleaching bath also uses hydrogen peroxide as a bleaching agent, and the bleaching effect of the hydrogen peroxide on the fibers is mainly the effect of atomic oxygen released by decomposition of hydrogen peroxide.

8. A method for preparing a phosphorus-free bleaching stabilizer for silicon and oxygen, which is used for preparing the phosphorus-free bleaching stabilizer for silicon and oxygen of any one of claims 1 to 5, and is characterized by comprising the following steps:

s1, pre-dispersing: firstly, respectively pre-dispersing reducing sugar, alcohol amine, amino carboxylate and hydrogen peroxide;

s2, stirring and mixing: sequentially pouring the reducing sugar, the alcohol amine, the amino carboxylate and the hydrogen peroxide which are pre-dispersed in the S1 into a high-speed stirrer for stirring and mixing, adding the auxiliary agent after stirring for a period of time, and stirring and mixing to form a mixed solution;

s3, curing: aging the mixed solution formed in S2;

s4, adjustment: adding a chelating agent and a stabilizer into the mixed solution subjected to curing treatment in the step S3, and mixing and adjusting to form a phosphorus-free and silicon-oxygen-free bleaching stabilizer;

s5, detection: detecting the phosphorus-free and silicon-oxygen-free bleaching stabilizer formed in S4;

and S6, packaging the phosphorus-free and silicon-oxygen-free bleaching stabilizer detected in the S5, and storing and selling the phosphorus-free and silicon-oxygen-free bleaching stabilizer.

9. The method of claim 8, wherein the stirring speed of the high speed mixer in S2 is 700 r/min.

10. The method as claimed in claim 8, wherein the mixture of S3 is aged in an aging chamber.

Technical Field

The invention relates to the field of textile printing and dyeing, in particular to a phosphorus-free and silicon-oxygen-free bleaching stabilizer and a preparation method thereof.

Background

In the textile printing and dyeing industry, the bleaching effect of the fabric directly influences the dyeing and printing quality. One of the bleaches with the largest domestic use amount and the highest use rate is hydrogen peroxide at present. Since the chemical property of hydrogen peroxide is unstable, hydrogen peroxide is easily decomposed at high temperature or in a solution containing heavy metal ions such as iron, copper and the like. Therefore, the stabilizer capable of controlling the self-decomposition speed of the hydrogen peroxide is often added in the actual production to improve the use efficiency of the hydrogen peroxide.

The hydrogen peroxide stabilizer produced at present in China comprises sodium silicate, fatty acid salt, organic multi-element phosphate and the like. Although the price of the sodium silicate is low, silicon scale is easy to generate in the using process, the silicon scale is attached to the fiber to cause the fabric to have rough and hard hand feeling, and the silicon scale is deposited on a guide roller or in a T-shaped box to cause the fabric to generate wrinkles or scratches on the fiber. Therefore, it is rarely used in continuous mass production. Although the fatty acid salt can make the bleached fabric soft in hand feeling and small in fiber degradation, if the solution contains heavy metal ions such as iron and copper, the fatty acid salt is easy to decompose, so that the stabilizing effect on hydrogen peroxide is reduced. The organic multi-element phosphate has good stability to hydrogen peroxide, but a large amount of phosphate is discharged along with the washing sewage, so that the water area is seriously polluted, and the health of people is influenced. Therefore, the ideal oxygen bleaching stabilizer has good stabilizing effect on hydrogen peroxide, good compatibility and adaptability in aqueous media, and does not contain substances harmful to the environment and generating three wastes.

Therefore, the development of a phosphorus-free and silicon-oxygen-free bleaching stabilizer is a problem to be solved urgently at present.

Disclosure of Invention

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

A phosphorus-free and silicon-oxygen-free bleaching stabilizer comprises the following raw materials in parts by weight: 3.0-9.0% of reducing sugar, 1.0-6.0% of alcohol amine, 0.5-3.0% of aminocarboxylate, 1.0-4.0% of auxiliary agent, 20-78% of hydrogen peroxide, 1.0-4.0% of chelating agent and 1.0-4.0% of stabilizing agent.

The reducing sugar comprises crystal sugar mother liquor, waste molasses, cane sugar, fructose and beet sugar.

The alcohol amine includes monoethanolamine, diethanolamine and triethanolamine.

Such adjuvants include, for example, hydrogen peroxide and peracetic acid.

The reducing sugar and the alcohol amine can control the decomposition speed of hydrogen peroxide and the release speed of atomic oxygen.

The damage of the hydrogen peroxide to cotton fibers is generally less than that of sodium hypochlorite, and the whiteness and the weight loss of the textiles are high after bleaching, so the discontinuous oxygen bleaching bath also uses the hydrogen peroxide as a bleaching agent, and the bleaching effect of the hydrogen peroxide to the fibers mainly plays a role in decomposing and releasing atomic oxygen.

A preparation method of a phosphorus-free and silicon-oxygen-free bleaching stabilizer comprises the following steps:

s1, pre-dispersing: firstly, respectively pre-dispersing reducing sugar, alcohol amine, amino carboxylate and hydrogen peroxide;

s2, stirring and mixing: sequentially pouring the reducing sugar, the alcohol amine, the amino carboxylate and the hydrogen peroxide which are pre-dispersed in the S1 into a high-speed stirrer for stirring and mixing, adding the auxiliary agent after stirring for a period of time, and stirring and mixing to form a mixed solution;

s3, curing: aging the mixed solution formed in S2;

s4, adjustment: adding a chelating agent and a stabilizer into the mixed solution subjected to curing treatment in the step S3, and mixing and adjusting to form a phosphorus-free and silicon-oxygen-free bleaching stabilizer;

s5, detection: detecting the phosphorus-free and silicon-oxygen-free bleaching stabilizer formed in S4;

and S6, packaging the phosphorus-free and silicon-oxygen-free bleaching stabilizer detected in the S5, and storing and selling the phosphorus-free and silicon-oxygen-free bleaching stabilizer.

As a further scheme of the invention: and the stirring speed of the high-speed stirrer in the S2 is 700 r/min.

As a further scheme of the invention: and (4) curing the mixed solution in the S3 through a curing chamber.

Compared with the prior art, the invention has the beneficial effects that: the invention belongs to a new generation of green and environment-friendly products, can be applied to the hydrogen peroxide bleaching process of cotton, hemp, terylene and blended fabrics thereof, can also be applied to the hydrogen peroxide bleaching process of fibers such as paper pulp and the like, has good compatibility and adaptability in aqueous solution, and has small fiber degradation, soft hand feeling and good whiteness after the fabrics are bleached, and does not contain phosphorus and silicon substances which are harmful to the environment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A phosphorus-free and silicon-oxygen-free bleaching stabilizer comprises the following raw materials in parts by weight: 3.0-9.0% of reducing sugar, 1.0-6.0% of alcohol amine, 0.5-3.0% of aminocarboxylate, 1.0-4.0% of auxiliary agent, 20-78% of hydrogen peroxide, 1.0-4.0% of chelating agent and 1.0-4.0% of stabilizing agent.

The reducing sugar comprises crystal sugar mother liquor, waste molasses, cane sugar, fructose and beet sugar.

The alcohol amine includes monoethanolamine, diethanolamine and triethanolamine.

Such adjuvants include, for example, hydrogen peroxide and peracetic acid.

The reducing sugar and the alcohol amine can control the decomposition speed of hydrogen peroxide and the release speed of atomic oxygen.

The damage of the hydrogen peroxide to cotton fibers is generally less than that of sodium hypochlorite, and the whiteness and the weight loss of the textiles are high after bleaching, so the discontinuous oxygen bleaching bath also uses the hydrogen peroxide as a bleaching agent, and the bleaching effect of the hydrogen peroxide to the fibers mainly plays a role in decomposing and releasing atomic oxygen.

A preparation method of a phosphorus-free and silicon-oxygen-free bleaching stabilizer comprises the following steps:

s1, pre-dispersing: firstly, respectively pre-dispersing reducing sugar, alcohol amine, amino carboxylate and hydrogen peroxide;

s2, stirring and mixing: sequentially pouring the reducing sugar, the alcohol amine, the amino carboxylate and the hydrogen peroxide which are pre-dispersed in the S1 into a high-speed stirrer for stirring and mixing, adding the auxiliary agent after stirring for a period of time, and stirring and mixing to form a mixed solution;

s3, curing: aging the mixed solution formed in S2;

s4, adjustment: adding a chelating agent and a stabilizer into the mixed solution subjected to curing treatment in the step S3, and mixing and adjusting to form a phosphorus-free and silicon-oxygen-free bleaching stabilizer;

s5, detection: detecting the phosphorus-free and silicon-oxygen-free bleaching stabilizer formed in S4;

and S6, packaging the phosphorus-free and silicon-oxygen-free bleaching stabilizer detected in the S5, and storing and selling the phosphorus-free and silicon-oxygen-free bleaching stabilizer.

And the stirring speed of the high-speed stirrer in the S2 is 700 r/min.

And (4) curing the mixed solution in the S3 through a curing chamber.

A comparison of the quality of a phosphorus-free and silicone-free bleaching stabilizer is shown in Table 1.

TABLE 1

Serial number	Index name	Index (I)
			1	Appearance of the product	Light green solution
2	pH value	10
			3	Solubility in water	Mutual solubility with water at any ratio
4	Content (wt.)	102

Table 1 shows a quality comparison table of a phosphorus-free and silicon-oxygen-free bleaching stabilizer.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.