阅读说明：本技术 一种毛皮低温染色助剂及其制备方法和应用 (Fur low-temperature dyeing auxiliary agent and preparation method and application thereof ) 是由 张小文 郑超斌 郑红超 于 2020-12-28 设计创作，主要内容包括：本发明涉及一种毛皮低温染色助剂及其制备方法和应用,所述毛皮低温染色助剂的制备原料以重量份数计包括：开毛剂2-10份、增溶剂5-20份、渗透剂5-30份、分散剂10-20份、稳定剂5-15份、去离子水20-100份；所述开毛剂为有机胺。本发明所涉及的毛皮低温染色助剂将开毛剂、增溶剂、渗透剂、分散剂和稳定剂进行组合,各成分之间有着协同增效作用,使该毛皮低温染色助剂适合于毛皮低温染色,使毛皮能在55-60℃染色还能达到毛皮在70-75℃下的染色效果。(The invention relates to a fur low-temperature dyeing auxiliary agent, a preparation method and application thereof, wherein the fur low-temperature dyeing auxiliary agent comprises the following raw materials in parts by weight: 2-10 parts of a wool opener, 5-20 parts of a solubilizer, 5-30 parts of a penetrating agent, 10-20 parts of a dispersant, 5-15 parts of a stabilizer and 20-100 parts of deionized water; the hair-opening agent is organic amine. The low-temperature fur dyeing auxiliary agent combines the fur opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and the components have synergistic interaction, so that the low-temperature fur dyeing auxiliary agent is suitable for low-temperature fur dyeing, and the fur can be dyed at 55-60 ℃ and can achieve the dyeing effect of the fur at 70-75 ℃.)

1. The fur low-temperature dyeing auxiliary is characterized by comprising the following raw materials in parts by weight: 2-10 parts of a wool opener, 5-20 parts of a solubilizer, 5-30 parts of a penetrating agent, 10-20 parts of a dispersant, 5-15 parts of a stabilizer and 20-100 parts of deionized water; the hair-opening agent is organic amine.

2. The low-temperature fur dyeing assistant according to claim 1, wherein the low-temperature fur dyeing assistant is prepared from the following raw materials in parts by weight: 2-4 parts of a wool opener, 5-8 parts of a solubilizer, 5-10 parts of a penetrating agent, 10-15 parts of a dispersant, 5-8 parts of a stabilizer and 30-60 parts of deionized water.

3. The low temperature fur dyeing assistant according to claim 1 or 2, wherein said opening agent comprises triethanolamine and/or diethylamine, preferably a combination of triethanolamine and diethylamine.

4. The low temperature fur dyeing assistant according to any one of claims 1 to 3, wherein the solubilizer comprises dodecyl dimethyl propyl betaine and/or octadecyl polyoxyethylene ether alkyl ammonium chloride.

5. The low temperature dyeing assistant for pelts according to any one of claims 1 to 4 characterized in that the penetrant comprises isomeric tridecanol ethoxylates 1305 and/or isomeric tridecanol ethoxylates 1307, preferably a combination of isomeric tridecanol ethoxylates 1305 and isomeric tridecanol ethoxylates 1307.

6. The low-temperature fur dyeing assistant according to any one of claims 1 to 5, characterized in that the dispersant comprises fatty alcohol-polyoxyethylene ether AEO15 and/or fatty alcohol-polyoxyethylene ether AEO22, preferably a combination of fatty alcohol-polyoxyethylene ether AEO15 and fatty alcohol-polyoxyethylene ether AEO 22.

7. The low temperature fur dyeing assistant according to any one of claims 1 to 6, wherein said stabilizer comprises dipropylene glycol methyl ether and/or diethylene glycol butyl ether.

8. The process for preparing a fur low-temperature dyeing assistant according to any one of claims 1 to 7, wherein the process for preparing comprises the steps of:

(1) heating deionized water, mixing with a hair-opening agent, a solubilizer, a penetrant, a dispersant and a stabilizer, and stirring to completely dissolve the raw materials;

(2) cooling the mixed raw materials, standing, and discharging.

9. The process for preparing a fur low-temperature dyeing assistant according to claim 8, wherein the heating in step (1) is carried out to 45 to 55 ℃;

preferably, the temperature of the step (2) is reduced to 20-40 ℃;

preferably, the standing time of the step (2) is 1-4 h;

preferably, the preparation is carried out in an enamel reactor.

10. Use of the low-temperature fur dyeing assistant according to any one of claims 1 to 7 in fur dyeing processes.

Technical Field

The invention belongs to the technical field of dyeing processes, relates to a dyeing auxiliary and a preparation method and application thereof, and particularly relates to a low-temperature fur dyeing auxiliary and a preparation method and application thereof.

Background

The dyeing is an important process in fur processing, and by selecting a proper dyeing formula and a proper dyeing process, the added value of the precious high-grade fur can be further improved, and the middle-grade and low-grade furs can be imitated into high-grade furs. It should be noted that the dyeing of pelts differs from the dyeing of leather alone and from the dyeing of wool alone, which allows the use of a long-lasting boiling dyeing process. Under high temperature, on one hand, the aggregation degree of dye particles is greatly reduced, and the diffusion speed is accelerated; on one hand, the swelling of the wool fiber is intensified, and the scales are opened, which are all factors for facilitating the dye to permeate into the wool. However, when dyeing fur, the boiling dyeing method cannot be performed because the collagen fibers constituting the fur board are inferior in high temperature resistance to the chaetoceros fibers and the fur board tends to shrink at high temperature.

When the acid dye is used for dyeing fur, the dyeing temperature is generally controlled within the range of 70-75 ℃, and the dyeing can be completed after 3-5 hours of operation. In this temperature range, the dye does not work sufficiently (the dye uptake is generally about 80%), and the damage of the collagen fiber of the dermatome is close to the critical point. Therefore, the method for exploring the low-temperature fur dyeing has practical significance. In order to reduce energy consumption and reduce damage to collagen fibers of the pelt board, it is of great interest to develop a low-temperature dyeing auxiliary suitable for pelts.

However, most of the low-temperature dyeing auxiliaries disclosed in the prior art are directed to single leather dyeing or single wool dyeing, for example, CN105297488A discloses a low-temperature wool dyeing auxiliary and a dyeing process, which include: tallow amine polyoxyethylene ether: 22-32%, triethylene glycol monobutyl ether: 10-15%, ethoxylated fatty acid amine derivative: 3-6%, polyethylene glycol: 0.2-0.5%, glacial acetic acid: 0.5-1%, soda: 0.5-1%, hexamethylenetetramine: 1-2.5%, sodium sulfate: 1-2.5%, and has low-temperature dyeing property, level dyeing property, slow dyeing property, and permeability dispersing function. For another example, CN109056386A discloses a low-temperature dyeing auxiliary for wool fabrics, which comprises 20-30% of surfactant, 40-50% of polyethylene glycol, 8-10% of sodium pyrrolidone carboxylate, 5-10% of citric acid, and the balance of water.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a dyeing auxiliary and a preparation method and application thereof, and particularly relates to a low-temperature fur dyeing auxiliary and a preparation method and application thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the invention provides a fur low-temperature dyeing auxiliary, which comprises the following raw materials in parts by weight: 2-10 parts of a wool opener, 5-20 parts of a solubilizer, 5-30 parts of a penetrating agent, 10-20 parts of a dispersant, 5-15 parts of a stabilizer and 20-100 parts of deionized water; the hair-opening agent is organic amine.

The low-temperature dyeing auxiliary agent of the fur can ensure that the fur can be dyed at the temperature of 55-60 ℃ to achieve the dyeing effect of the fur at the temperature of 70-75 ℃, and various color fastness of the dyed leather can achieve the effect requirement of high-temperature dyeing after the fur is dyed at the temperature of 55-60 ℃.

The low-temperature fur dyeing auxiliary agent combines the fur opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and the components have synergistic interaction, so that the low-temperature fur dyeing auxiliary agent is suitable for low-temperature fur dyeing, and the fur can be dyed at 55-60 ℃ and can achieve the dyeing effect of the fur at 70-75 ℃. The opening agent can promote the secondary hydrolysis of the surface of the protein fiber, so that the content of cystine is obviously reduced, the fiber becomes more loose, and meanwhile, the scale layer is opened at low temperature so that the dye can permeate into the fiber; the solubilizer enables the dye to be better dissolved in water, and further promotes the dye to permeate into the fiber; the penetrant overcomes the hydrophobic membrane on the outer layer of the protein fiber scale to ensure that the fiber has natural hydrophobicity, so that the dye is easy to permeate into the fiber, and the absorption and diffusion of the dye are promoted; the dispersant enables dyeing to achieve a uniform effect; the stabilizer stabilizes the system of the coloring agent and indirectly promotes the high efficiency and uniformity of the coloring. In conclusion, the components supplement each other, and have the effect of 1+1 & gt 2 in the aspect of promoting the low-temperature dyeing effect of the fur and solving the problem that the dye is not dyed at low temperature or is dyed unevenly too fast in dyeing.

The parts by weight of the hair opener can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts and the like.

The solubilizer can be 5 parts, 7 parts, 8 parts, 10 parts, 11 parts, 12 parts, 14 parts, 15 parts, 16 parts, 18 parts or 20 parts by weight.

The penetrant may be present in an amount of 5 parts, 7 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 25 parts, 28 parts, 30 parts, or the like.

The dispersant may be present in an amount of 10, 12, 13, 14, 15, 16, 17, 18, 19, or 20 parts by weight.

The stabilizer may be present in an amount of 5 parts, 7 parts, 8 parts, 10 parts, 11 parts, 12 parts, 14 parts, 15 parts, or the like.

The deionized water can be 20 parts, 30 parts, 40 parts, 50 parts, 60 parts, 70 parts, 80 parts, 90 parts or 100 parts by weight.

Other specific point values within the above numerical ranges can be selected, and are not described in detail herein.

Preferably, the preparation raw materials of the fur low-temperature dyeing auxiliary comprise, by weight: 2-4 parts of a wool opener, 5-8 parts of a solubilizer, 5-10 parts of a penetrating agent, 10-15 parts of a dispersant, 5-8 parts of a stabilizer and 30-60 parts of deionized water.

The low-temperature fur dyeing auxiliary has more obvious synergistic effect on promoting the low-temperature fur dyeing effect and solving the problem that the dye is not dyed at low temperature or is dyed unevenly too fast under the specific mass ratio condition.

Preferably, the hair opening agent comprises triethanolamine and/or diethylamine, preferably a combination of triethanolamine and diethylamine.

The wool opener in the fur low-temperature dyeing auxiliary agent related to the invention is preferably triethanolamine and/or diethylamine because the triethanolamine and/or diethylamine can fully open the scale layer of the protein fiber at low temperature, but the triethanolamine and/or diethylamine cannot be opened too much to cause the fur of the protein fiber to reduce the quality of the fur.

Preferably, the solubilizer comprises dodecyl dimethyl propyl betaine and/or octadecyl polyoxyethylene ether alkyl ammonium chloride.

Preferably, the penetrant comprises isomeric tridecanol polyoxyethylene ether 1305 and/or isomeric tridecanol polyoxyethylene ether 1307, preferably a combination of isomeric tridecanol polyoxyethylene ether 1305 and isomeric tridecanol polyoxyethylene ether 1307.

The penetrating agent in the low-temperature fur dyeing auxiliary agent is preferably isomeric tridecanol polyoxyethylene ether 1305 and/or isomeric tridecanol polyoxyethylene ether 1307 because the penetrating agent has better effect on promoting the absorption and diffusion effects of dyes and further promotes the low-temperature dyeing effect.

Preferably, the dispersant comprises fatty alcohol-polyoxyethylene ether AEO15 and/or fatty alcohol-polyoxyethylene ether AEO22, preferably a combination of fatty alcohol-polyoxyethylene ether AEO15 and fatty alcohol-polyoxyethylene ether AEO 22.

The fatty alcohol-polyoxyethylene ether AEO15 and/or fatty alcohol-polyoxyethylene ether AEO22 is/are preferably selected as the dispersant in the low-temperature fur dyeing auxiliary agent, so that the low-temperature fur dyeing auxiliary agent has a more remarkable effect on solving the problem that the dye is not colored at low temperature or is dyed unevenly too quickly.

Preferably, the stabilizer comprises dipropylene glycol methyl ether and/or diethylene glycol butyl ether.

In a second aspect, the invention provides a method for preparing the fur low-temperature dyeing auxiliary agent, which comprises the following steps:

(1) heating deionized water, mixing with a hair-opening agent, a solubilizer, a penetrant, a dispersant and a stabilizer, and stirring to completely dissolve the raw materials;

(2) cooling the mixed raw materials, standing, and discharging.

The preparation method of the fur low-temperature dyeing auxiliary agent is simple and easy to implement and is easy for industrial production.

Preferably, the heating in step (1) is performed to 45-55 ℃, for example, 45 ℃, 46 ℃, 47 ℃, 48 ℃, 49 ℃, 50 ℃, 51 ℃, 52 ℃, 53 ℃, 54 ℃ or 55 ℃, etc., and other specific values in the numerical range can be selected, which is not described in detail herein.

Preferably, the temperature in step (2) is reduced to 20-40 ℃, for example, 20 ℃, 22 ℃, 25 ℃, 30 ℃, 35 ℃, 38 ℃ or 40 ℃, and other specific values in the value range can be selected, and are not repeated herein.

Preferably, the standing time in step (2) is 1 to 4 hours, for example, 1 hour, 1.2 hours, 1.5 hours, 1.6 hours, 1.8 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, or 4 hours, and other specific values in the numerical range can be selected, and are not repeated herein.

Preferably, the preparation is carried out in an enamel reactor.

In a third aspect, the invention provides the use of the fur low-temperature dyeing auxiliary in the fur dyeing process.

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

the low-temperature fur dyeing auxiliary agent combines the fur opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and the components have synergistic interaction, so that the low-temperature fur dyeing auxiliary agent is suitable for low-temperature fur dyeing, and the fur can be dyed at 55-60 ℃ and can achieve the dyeing effect of the fur at 70-75 ℃. The opening agent can promote the secondary hydrolysis of the surface of the protein fiber, so that the content of cystine is obviously reduced, the fiber becomes more loose, and meanwhile, the scale layer is opened at low temperature so that the dye can permeate into the fiber; the solubilizer enables the dye to be better dissolved in water, and further promotes the dye to permeate into the fiber; the penetrant overcomes the hydrophobic membrane on the outer layer of the protein fiber scale to ensure that the fiber has natural hydrophobicity, so that the dye is easy to permeate into the fiber, and the absorption and diffusion of the dye are promoted; the dispersant enables dyeing to achieve a uniform effect; the stabilizer stabilizes the system of the coloring agent and indirectly promotes the high efficiency and uniformity of the coloring. In conclusion, the components supplement each other, and have the effect of 1+1 & gt 2 in the aspect of promoting the low-temperature dyeing effect of the fur and solving the problem that the dye is not dyed at low temperature or is dyed unevenly too fast in dyeing.

Detailed Description

To further illustrate the technical means and effects of the present invention, the following further describes the technical solution of the present invention with reference to the preferred embodiments of the present invention, but the present invention is not limited to the scope of the embodiments.

Example 1

The embodiment provides a fur low-temperature dyeing auxiliary which comprises, by weight, 2 parts of a wool opener (triethanolamine), 5 parts of a solubilizer (octadecyl polyoxyethylene ether alkyl ammonium chloride), 6 parts of a penetrant (isomeric tridecanol polyoxyethylene ether 1305), 10 parts of a dispersant (fatty alcohol polyoxyethylene ether AEO15), 5 parts of a stabilizer (dipropylene glycol methyl ether), and 30 parts of deionized water.

The preparation method comprises the following steps:

(1) heating deionized water to 50 ℃, mixing with the hair-opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and stirring to completely dissolve the raw materials;

(2) and cooling the mixed raw materials to 30 ℃, standing for 4h, and discharging to obtain a light yellow transparent liquid product, namely the fur low-temperature dyeing auxiliary.

Example 2

The embodiment provides a fur low-temperature dyeing auxiliary which comprises, by weight, 4 parts of a wool opener (diethylamine), 8 parts of a solubilizer (dodecyl dimethyl propyl betaine), 10 parts of a penetrant (isomeric tridecanol polyoxyethylene ether 1307), 15 parts of a dispersant (fatty alcohol polyoxyethylene ether AEO22), 8 parts of a stabilizer (diethylene glycol butyl ether) and 55 parts of deionized water.

The preparation method comprises the following steps:

(1) heating deionized water to 45 ℃, mixing with the hair-opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and stirring to completely dissolve the raw materials;

(2) and cooling the mixed raw materials to 25 ℃, standing for 3h, and discharging to obtain a light yellow transparent liquid product, namely the fur low-temperature dyeing auxiliary.

Example 3

The embodiment provides a fur low-temperature dyeing auxiliary which comprises, by weight, 10 parts of a wool opener (triethanolamine), 15 parts of a solubilizer (octadecyl polyoxyethylene ether alkyl ammonium chloride), 15 parts of a penetrant (isomeric tridecanol polyoxyethylene ether 1305), 20 parts of a dispersant (fatty alcohol polyoxyethylene ether AEO15), 10 parts of a stabilizer (dipropylene glycol methyl ether), and 100 parts of deionized water.

The preparation method comprises the following steps:

(1) heating deionized water to 50 ℃, mixing with the hair-opening agent, the solubilizer, the penetrating agent, the dispersant and the stabilizer, and stirring to completely dissolve the raw materials;

(2) and cooling the mixed raw materials to 30 ℃, standing for 4h, and discharging to obtain a light yellow transparent liquid product, namely the fur low-temperature dyeing auxiliary.

Example 4

This example provides a low temperature dyeing auxiliary for fur, which is prepared from the raw materials different from example 1 only in that the wool opener is a combination of 1 part of triethanolamine and 1 part of diethylamine, and other conditions are kept unchanged. The preparation process was identical to example 1.

Example 5

This example provides a low-temperature dyeing assistant for fur, which is prepared from 13075 parts of isomeric tridecanol polyoxyethylene ether and 13055 parts of isomeric tridecanol polyoxyethylene ether as penetrants, and the other conditions are kept unchanged. The preparation process was identical to example 1.

Example 6

The embodiment provides a fur low-temperature dyeing auxiliary, which is prepared from raw materials different from those in embodiment 1 only in that a dispersing agent is a combination of 157 parts of fatty alcohol-polyoxyethylene ether AEO and 223 parts of fatty alcohol-polyoxyethylene ether AEO, and other conditions are kept unchanged. The preparation process was identical to example 1.

Example 7

This example provides a low temperature dyeing auxiliary for fur, which is prepared from raw materials different from those in example 1 only in that the opening agent is replaced by urea, and other conditions are kept unchanged. The preparation process was identical to example 1.

Example 8

This example provides a fur low-temperature dyeing auxiliary, which is prepared from the raw materials different from those in example 1 only in that the dispersant is replaced by fatty alcohol-polyoxyethylene ether AEO9, and other conditions are kept unchanged. The preparation process was identical to example 1.

Example 9

This example provides a low-temperature fur dyeing assistant, which is prepared from the raw materials different from those in example 1 only in that the penetrant is replaced by fatty alcohol-polyoxyethylene ether AEO7, and other conditions are kept unchanged. The preparation process was identical to example 1.

Comparative example 1

This comparative example provides a dyeing assistant which is prepared from raw materials different from example 1 only in that no wool opener ingredient is contained and other conditions are maintained. The preparation process was identical to example 1.

Comparative example 2

This comparative example provides a dyeing assistant which is prepared from raw materials different from example 1 only in that it does not contain a penetrant component, and the other conditions are kept unchanged. The preparation process was identical to example 1.

Comparative example 3

This comparative example provides a dyeing assistant which is prepared from raw materials different from example 1 only in that no dispersant component is contained and all other conditions are maintained. The preparation process was identical to example 1.

Comparative example 4

This comparative example provides a dyeing assistant which is prepared from starting materials different from example 1 only in that no solubilizer component is included, and the other conditions are maintained. The preparation process was identical to example 1.

Comparative example 5

This comparative example provides a dyeing assistant which is prepared from raw materials different from example 1 only in that the stabilizer component is not contained and other conditions are maintained. The preparation process was identical to example 1.

Evaluation test:

the dyeing auxiliary agents prepared in examples 1-9 and comparative examples 1-5 are subjected to a low-temperature (60 ℃) dyeing experiment on rabbit fur for performance verification; at the same time, a comparison experiment with a normal temperature (70 ℃) dyeing process is carried out. The following acidic fur black dye was DBS and the fur leveling agent was a DFL-ii dye available from pabokojima, beijing. The dyeing process comprises the following steps:

(1) the low-temperature dyeing process flow comprises the following steps:

temperature: 60 deg.C

And (5) draining, washing, drying and finishing.

(2) And (3) normal dyeing process flow:

temperature: 70 deg.C

And (5) draining, washing, drying and finishing.

The test of the color fastness to sunlight is carried out according to the fur industry standard 'testing method of color fastness to sunlight' of fur, and the level-dyeing property of the fur is observed, with the highest level of 5 and the lowest level of 1. The results are shown in tables 1 and 2:

TABLE 1

Group of	Levelling property
		Example 1	5
Example 2	5
		Example 3	4
Example 4	5
		Examples5	5
Example 6	5
		Example 7	4
Example 8	4
		Example 9	4
Comparative example 1	4
		Comparative example 2	4
Comparative example 3	3
		Comparative example 4	4
Comparative example 5	3
		Dyeing at 70 deg.C	4

As can be seen from the data in Table 1: the low-temperature fur dyeing auxiliary has a good level dyeing effect on furs, and the types of the fur opening agent, the penetrating agent and the dispersing agent and the mass ratio among the components all influence the level dyeing effect of the dyeing auxiliary. As can be seen from the results of the comparative examples and comparative examples, the fur low-temperature dyeing auxiliary of the present invention has the effect of promoting the low-temperature dyeing effect of fur with 1+1 > 2 by supplementing the components.

TABLE 2

Group of	Color fastness to sunlight
		Example 1	4-5
Example 2	4-5
		Example 3	4
Example 4	5
		Example 5	5
Example 6	5
		Example 7	4
Example 8	4
		Example 9	4
Comparative example 1	3
		Comparative example 2	3
Comparative example 3	3-4
		Comparative example 4	3-4
Comparative example 5	3-4
		Dyeing at 70 deg.C	4

As can be seen from the data in Table 2: after the fur is treated by the low-temperature fur dyeing auxiliary agent, the fur has high light fastness, and the types of the fur opening agent, the penetrating agent and the dispersing agent and the mass ratio among the components all influence the light fastness of the dyeing auxiliary agent. As can be seen from the results of the comparative examples and comparative examples, the fur low-temperature dyeing auxiliary of the present invention has the effect of promoting the low-temperature dyeing effect of fur with 1+1 > 2 by supplementing the components.

The applicant states that the present invention is illustrated by the above examples to provide a low temperature dyeing auxiliary for fur, a preparation method and applications thereof, but the present invention is not limited to the above examples, i.e. it does not mean that the present invention must be implemented by the above examples. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.