Dyeing assistant and preparation method thereof

By modifying the molecular chain length and forming crosslinks of dyeing additives, the problems of uneven dyeing of blended textiles and deteriorating fiber performance are solved, and better dyeing effect and color fastness are achieved.

CN120443488APending Publication Date: 2025-08-08SHAOXING RUNSHENG CHEMICAL CO LTD
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Patent Information

Application Number
CN202510714795.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2025-08-08

AI Technical Summary

Technical Problem

During the dyeing process, blended textiles have problems such as uneven dyeing, poor color fastness and deterioration of fiber performance, which affect product quality and increase production costs.

Method used

The dyeing additives are prepared by compounding carboxymethyl chitosan, starch derivatives, polyamine compounds, styrene phenol polyoxyethylene ether ammonium sulfate, alkyl glycosides, disodium lauryl sulfosuccinate, epoxy modified silicone oil, carboxymethyl cellulose and crosslinking agents. By modifying the molecular chain length of the dye and forming crosslinks, the binding power of the dye and fiber is improved.

Benefits of technology

It effectively solves the problem of uneven dyeing, improves the dyeing effect, reduces the damage to the fiber performance of dyes, and meets the needs of dyeing uniformity and color fastness.

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Abstract

The invention discloses a dyeing assistant and a preparation method thereof, and the dyeing assistant comprises the following components in parts by weight: 1-5 parts of carboxymethyl chitosan, 1-3 parts of a starch derivative, 3-7 parts of a polyamine compound, 3-10 parts of styrene phenol polyoxyethylene ether ammonium sulfate, 1-3 parts of alkyl glycoside, 3-7 parts of disodium lauryl sulfosuccinate and 6-10 parts of epoxy modified silicone oil. 1-3 parts of carboxymethyl cellulose, 1-3 parts of a cross-linking agent and 3-7 parts of water. The brand-new dyeing auxiliary is prepared through compounding, the dyeing effect of textiles can be effectively improved, meanwhile, dye molecules are modified through the dyeing auxiliary, the molecular chain length of the dye molecules is changed, then the binding force between the dye molecules and blended textile fiber molecules is changed, and the problem of uneven dyeing is effectively solved; by adding the cross-linking agent, the dye and the blended textile can form good cross-linking, dye molecules are effectively prevented from entering the blended textile, and the damage of the dye molecules to the fiber performance of fiber molecules of the blended textile is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of dyeing auxiliary preparation, in particular to a dyeing auxiliary and a preparation method thereof. Background Art

[0002] With the rapid development of science and technology, fabrics composed of multiple fibers are becoming more and more common, and their proportion in textile fabrics is increasing year by year. Many popular clothing fabrics currently contain at least 2-3 fiber types, and as many as 4-6 fiber types. Compared with single fabrics, the dyeing and processing of blended and interwoven products is more difficult. Therefore, it is very important to fully understand the existing problems in the dyeing and processing of blended and interwoven products, select appropriate dyes, formulate appropriate dyeing formulas and process conditions, and supplement them with appropriate pre-treatment and finishing processes.

[0003] Currently, in the printing and dyeing process of blended textiles, the distribution and staining of dyes on each fiber component and the interaction of dyes bring many practical problems to the dyeing of multi-component fiber fabrics, such as poor color fastness, uneven dyeing, reduced color brightness, and deterioration of fiber properties after dyeing of blended textiles, which affect the quality of blended textiles, cause dye waste, and increase production costs. Summary of the Invention

[0004] In order to solve the above technical problems, a dyeing auxiliary agent and a preparation method thereof are provided. This technical solution solves the problems raised in the above background technology.

[0005] In order to achieve the above objects, the technical solution adopted by the present invention is: A dyeing auxiliary comprises the following components in parts by weight: 1-5 parts of carboxymethyl chitosan, 1-3 parts of starch derivatives, 3-7 parts of polyamine compounds, 3-10 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 1-3 parts of alkyl glycosides, 3-7 parts of disodium lauryl sulfosuccinate, 6-10 parts of epoxy-modified silicone oil, 1-3 parts of carboxymethyl cellulose, 1-3 parts of a crosslinking agent and 3-7 parts of water.

[0006] Preferably, the following components are included in parts by weight: 5 parts of carboxymethyl chitosan, 3 parts of starch derivatives, 7 parts of polyamine compounds, 10 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 3 parts of alkyl glycosides, 7 parts of disodium lauryl sulfosuccinate, 10 parts of epoxy-modified silicone oil, 3 parts of carboxymethyl cellulose, 3 parts of crosslinking agent and 7 parts of water.

[0007] Preferably, the starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

[0008] Preferably, the polyamine compound is any one of spermine, spermidine and thermospermine.

[0009] Preferably, the preparation process of the alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

[0010] Preferably, the organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide, the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol, and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

[0011] Preferably, the preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

[0012] A method for preparing a dyeing auxiliary agent, comprising: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

[0013] Preferably, the first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

[0014] Preferably, the second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.

[0015] Compared with the prior art, the present invention provides a dyeing auxiliary agent and a preparation method thereof, which have the following beneficial effects: The invention prepares a novel dyeing auxiliary agent by compounding carboxymethyl chitosan, starch derivatives, polyamine compounds, styrene phenol polyoxyethylene ether ammonium sulfate, alkyl glycosides, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose, a crosslinking agent and water. The novel dyeing auxiliary agent can effectively improve the dyeing effect of textiles. At the same time, the dyeing auxiliary agent modifies the dye molecules, changes the molecular chain length of the dye molecules, and further changes the binding force between the dye molecules and the fiber molecules of the blended textile, thereby effectively solving the problem of uneven dyeing. The addition of the crosslinking agent can form a good crosslink between the dye and the blended textile, effectively preventing the dye molecules from entering the interior of the blended textile, reducing the damage of the dye molecules to the fiber properties of the blended textile fiber molecules, and meeting the needs of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the preparation method of alkyl glycoside in the present invention; Figure 2 Schematic diagram of the preparation method of the cross-linking agent in the present invention; Figure 3 Schematic diagram of the preparation method of the dyeing auxiliary agent in the present invention. DETAILED DESCRIPTION

[0017] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0018] The raw materials used in the present invention are analyzed: Carboxymethyl chitosan: The water solubility of chitosan is improved through chemical modification. It shows cationicity under acidic conditions and has strong adsorption capacity for anionic dyes. It is suitable for dyeing and can improve dyeing uniformity. Starch derivatives: Modified by oxidation or esterification to improve water solubility and film-forming properties, they serve as environmentally friendly alternative raw materials and are suitable for applications requiring high biodegradability. Polyamine compounds: They improve wet fastness by combining with dye anions through positive charge, and are suitable for post-dyeing treatment of cotton, wool, and silk fabrics; Styrene phenol polyoxyethylene ether ammonium sulfate: acid-resistant, high-temperature resistant, with good leveling properties, suitable for complex dyeing processes; Alkyl glycoside: synthesized from glucose and fatty alcohol, completely biodegradable, suitable for dyeing processes with high environmental requirements; Disodium lauryl sulfosuccinate: mild surfactant, suitable for dyeing processes with sensitive fabrics or low irritation requirements; Epoxy modified silicone oil: improves washability through the reaction of epoxy groups with fibers, and is suitable for fabrics that need to maintain a long-term feel; Carboxymethyl cellulose: A modified natural polymer with good film-forming properties and stability, suitable for dyeing processes with high requirements for biodegradability.

[0019] Example 1 Please refer to Figure 1-Figure 3 As shown, a dyeing auxiliary agent includes the following components in parts by weight: 5 parts of carboxymethyl chitosan, 3 parts of starch derivatives, 7 parts of polyamine compounds, 10 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 3 parts of alkyl glycosides, 7 parts of disodium lauryl sulfosuccinate, 10 parts of epoxy modified silicone oil, 3 parts of carboxymethyl cellulose, 3 parts of crosslinking agent and 7 parts of water.

[0020] The starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

[0021] The polyamine compound is any one of spermine, spermidine and thermospermine.

[0022] The preparation process of alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

[0023] The organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide; the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol; and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

[0024] The preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

[0025] A method for preparing a dyeing auxiliary agent, comprising: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

[0026] The first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

[0027] The second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.

[0028] Example 2 Please refer to Figure 1-Figure 3 As shown, a dyeing auxiliary, a dyeing auxiliary, includes the following components in parts by weight: 1 part of carboxymethyl chitosan, 1 part of starch derivative, 3 parts of polyamine compound, 3 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 1 part of alkyl glycoside, 3 parts of disodium lauryl sulfosuccinate, 6 parts of epoxy modified silicone oil, 1 part of carboxymethyl cellulose, 1 part of crosslinking agent and 3 parts of water.

[0029] The starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

[0030] The polyamine compound is any one of spermine, spermidine and thermospermine.

[0031] The preparation process of alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

[0032] The organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide; the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol; and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

[0033] The preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

[0034] A method for preparing a dyeing auxiliary agent, comprising: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

[0035] The first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

[0036] The second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.

[0037] Example 3 Please refer to Figure 1-Figure 3 As shown, a dyeing auxiliary, a dyeing auxiliary, includes the following components in parts by weight: 3 parts of carboxymethyl chitosan, 2 parts of starch derivatives, 5 parts of polyamine compounds, 5 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 2 parts of alkyl glycosides, 5 parts of disodium lauryl sulfosuccinate, 8 parts of epoxy modified silicone oil, 2 parts of carboxymethyl cellulose, 2 parts of crosslinking agent and 5 parts of water.

[0038] The starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

[0039] The polyamine compound is any one of spermine, spermidine and thermospermine.

[0040] The preparation process of alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

[0041] The organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide; the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol; and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

[0042] The preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

[0043] A method for preparing a dyeing auxiliary agent, comprising: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

[0044] The first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

[0045] The second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.

[0046] Example 4 Please refer to Figure 1-Figure 3 As shown, a dyeing auxiliary, a dyeing auxiliary, includes the following components in parts by weight: 3 parts of carboxymethyl chitosan, 3 parts of starch derivatives, 6 parts of polyamine compounds, 8 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 3 parts of alkyl glycosides, 6 parts of disodium lauryl sulfosuccinate, 8 parts of epoxy modified silicone oil, 2 parts of carboxymethyl cellulose, 2 parts of crosslinking agent and 6 parts of water.

[0047] The starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

[0048] The polyamine compound is any one of spermine, spermidine and thermospermine.

[0049] The preparation process of alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

[0050] The organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide; the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol; and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

[0051] The preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

[0052] A method for preparing a dyeing auxiliary agent, comprising: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy-modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

[0053] The first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

[0054] The second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.

[0055] In summary, the present invention adopts carboxymethyl chitosan, starch derivatives, polyamine compounds, styrene phenol polyoxyethylene ether ammonium sulfate, alkyl glycoside, lauryl alcohol sulfosuccinate disodium, epoxy-modified silicone oil, carboxymethyl cellulose, a crosslinking agent and water to prepare a new dyeing auxiliary agent, which can effectively improve the coloring effect of blended textiles. At the same time, the dyeing auxiliary agent modifies the dye molecules, changes the molecular chain length of the dye molecules, and then changes the binding force between the dye molecules and the fiber molecules of the blended textile, effectively solving the problem of uneven dyeing; the addition of the crosslinking agent can form a good crosslink between the dye and the blended textile, effectively preventing the dye molecules from entering the interior of the blended textile, reducing the damage of the dye molecules to the fiber properties of the blended textile fiber molecules, and meeting the needs of the staff.

[0056] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A dyeing auxiliary agent, characterized in that The dyeing auxiliary agent includes the following components in parts by weight: 1-5 parts of carboxymethyl chitosan, 1-3 parts of starch derivatives, 3-7 parts of polyamine compounds, 3-10 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 1-3 parts of alkyl glycoside, 3-7 parts of disodium lauryl sulfosuccinate, 6-10 parts of epoxy modified silicone oil, 1-3 parts of carboxymethyl cellulose, 1-3 parts of crosslinking agent and 3-7 parts of water.

2. A dyeing auxiliary according to claim 1, characterized in that, The dyeing auxiliary agent includes the following components in parts by weight: 5 parts of carboxymethyl chitosan, 3 parts of starch derivatives, 7 parts of polyamine compounds, 10 parts of styrenephenol polyoxyethylene ether ammonium sulfate, 3 parts of alkyl glycosides, 7 parts of disodium lauryl sulfosuccinate, 10 parts of epoxy-modified silicone oil, 3 parts of carboxymethyl cellulose, 3 parts of a crosslinking agent and 7 parts of water.

3. A dyeing auxiliary according to claim 1, characterized in that, The starch derivative is any one of starch acetate, hydroxypropyl starch, cationic starch and carboxymethyl starch.

4. A dyeing auxiliary according to claim 1, characterized in that, The polyamine compound is any one of spermine, spermidine and thermospermine.

5. A dyeing auxiliary according to claim 1, characterized in that, The preparation process of the alkyl glycoside is as follows: In the sugar solution preparation equipment, add organic solvent and glucose, heat the materials to 80℃~120℃, and dissolve the glucose in the organic solvent to prepare glucose solution; In the alcohol solution preparation equipment, add fatty alcohol and catalyst, heat the materials to 80℃~120℃ to prepare fatty alcohol solution containing catalyst; In the condensation reactor, the preheated sugar solution and alcohol solution are mixed and heated to boiling, causing a dehydration condensation reaction between glucose and fatty alcohol to produce alkyl glycosides and water. The water generated during the reaction evaporates into the gas phase, and the gas phase material is further processed to recover the fatty alcohol and organic solvent. The liquid phase material enters the next step; Sodium hydroxide is added to the material obtained in the previous step to adjust the pH value to 8-10 to terminate the condensation reaction. The obtained material is further separated and refined to obtain the alkyl glycoside product, and the organic solvent and the unreacted raw materials glucose and fatty alcohol are recovered at the same time.

6. A dyeing auxiliary according to claim 5, characterized in that, The organic solvent is any one of N-methylpyrrolidone, dimethylformamide and dimethyl sulfoxide; the fatty alcohol is any one of n-octanol, n-decanol and n-dodecyl alcohol; and the catalyst is any one of sulfuric acid, hydrochloric acid and dodecylbenzenesulfonic acid.

7. A dyeing auxiliary according to claim 1, characterized in that, The preparation process of the cross-linking agent is as follows: Add deionized water into the reactor; Add glycerol and isopropyl alcohol, stir thoroughly and heat to 50°C; Then, zirconium oxychloride was added into the reaction kettle and stirred evenly, and lactic acid, triethanolamine and N,N'-methylenebisacrylamide were added in sequence; Use NaOH to adjust the pH to 7-8; The temperature was raised to 80°C and the reaction was continued for 4 hours. KCl was then added and the reaction was continued for 1.5 hours to obtain a cross-linking agent solution.

8. A method for preparing a dyeing auxiliary agent, characterized in that: include: Carboxymethyl chitosan, starch derivatives and polyamine compounds are weighed in order according to parts by weight, and then the three raw materials are mixed, and an appropriate amount of water is added, and ultrasonic stirring is performed for the first time to obtain a suspension; Styrenephenol polyoxyethylene ether ammonium sulfate, alkyl glucoside, disodium lauryl sulfosuccinate, epoxy modified silicone oil, carboxymethyl cellulose and a cross-linking agent weighed in parts by weight were added to the suspension in sequence, and ultrasonic stirring was performed for the second time to obtain a dyeing auxiliary agent.

9. The method for preparing a dyeing auxiliary according to claim 8, characterized in that: The first ultrasonic stirring is performed at 1500-2000 rpm for 8-10 hours.

10. The method for preparing a dyeing auxiliary agent according to claim 8, characterized in that: The second ultrasonic stirring is performed at 2000-2500 rpm for 3-5 hours.