What are the characteristics of the formulation process of commonly used printing and dyeing auxilia

Since it is a commonly used printing and dyeing auxiliaries, the formula must be related to dyes, soaping, energy saving and emission reduction. It seems that the printing and dyeing training center is about to have a new type of environmental protection and energy-saving additives compound and technology application training in Shandong, you can go to the printing and dyeing ** network to learn about it. This is part of the training content I got from them internally, and they didn't leak any specific recipes.

1 Dyeing and soaping auxiliaries that must be paid attention to in the near future.

1-1 Additives --- darkening and brightening agents that can reduce the amount of dyes.

1-2 Leveling agent for active, dispersible, reducing, and acid dye pad dyeing can be --- and even.

1-3 Additives--- colorants and dye inhibitors involving high-elastic blended fabrics (high spandex content).

1-4 Non-reducing cleaning agent for polyester and cotton dyeing and anti-staining soaping after printing (active, dispersed, acidic) 1-5 Low-temperature soaping agent after active dyeing --- cold soap.

2. Textile printing and dyeing auxiliaries and development ideas with promising market prospects in the next few years.

2-1 High-speed inkjet - ink additives for wet transfer printing, coating additives for transfer media, thickeners and special pastes for transfer printing.

2-2 Formaldehyde-free, low-strength special crosslinkers involved in the development of high-value-added textiles.

2-3 Additives that prevent ash absorption, allergens and virus spread, lint prevention, improve color fastness, and contribute to deep and bright colors.

Printing and dyeing auxiliaries formula is generally not easy to share, if you want to find printing and dyeing auxiliaries formula is generally to buy, but recently there is an energy-saving and environmentally friendly additives compound and application technology training course is shared, you can go to understand, it seems to be in the printing and dyeing ** Internet café.

Raw material formula ratio: Hexamethylolmelamine 300 parts penetrant JFC 5 parts softener vs 20 parts magnesium chloride 20 parts acetic acid appropriate amount water Add to 1,000 parts.

Preparation method: First, the penetrant JFC is dissolved in water, and then hexahydroxymethyl melamine is added to mix and stir evenly. Then add magnesium chloride solution, add water and stir well, adjust the pH with acetic acid, and finally add softener vs, dilute it with water to 1000, and stir well.

Product application: The cotton fabric is soaked in this product, and it is prepared after pre-baking, baking, soaping, washing, and stenter drying.

Product features: This product is used for cotton fabric finishing, which can improve the washability and abrasion resistance of cotton fabrics. After the treatment of this product, the chlorine absorption and yellowing of the fabric and the chlorine loss are small, and it has a crisp and plump appearance.

Printing and dyeing auxiliaries include: agent, polyester low-temperature dyeing carrier, substitute alkali, CT powder, chelating dispersant, phosphorus-free environmental protection chelating agent, acid leveling agent, cotton leveling agent, acrylic leveling agent, smoothing agent, mercerizing penetrant (mercerizing oil), chemical fiber oil (polyester oil, POY oil), high-efficiency boiling powder, hydrogen peroxide stabilizer, silicon remover, foaming agent, soaping agent (low-foaming soaping agent, acid soaping agent, white ground anti-stick soaping agent), shrinking agent, liquid wax (yarn smoothing agent), finishing agent, antistatic agent, wool mercerizing agent, raising agent, fixing agent (formaldehyde-free fixing agent, Cuilan fixing agent, color-changing fixing agent, acid fixing agent), stiffening agent, oxygen bleaching stabilizer, degreasing yarn agent, printing auxiliary.

Refining auxiliaries: desizing, scouring, bleaching and mercerizing of fabrics are all important processes before fabric printing and dyeing, which are collectively referred to as scouring.

Some surfactants need to be added to the scouring solution to improve the permeability of the lye, promote the emulsification of wax, and further shake off the impurities separated from the fiber and disperse them in the scouring solution;

Flower auxiliaries: Paint printing is to firmly adhere insoluble dyes to fabrics with the help of the film-forming effect of adhesives, so as to achieve the purpose of coloring.

Coating printing additives also include softeners, diffusers and defoamers;

Color additives: dyeing agent dyeing is the main body of the dyeing process, different fiber fabrics use different variegated agents, and according to different processes, dye processing aids are solvents, dispersants, chromogenic agents and phthalocyanine additives. The dyes used in dyeing are not direct dyes, vat dyes, reactive dyes, phthalocyanine dyes, and insoluble azo dyes.

The pre-treatment is mainly three steps: desizing, refining, and bleaching, which is often referred to as decooking bleaching.

The main additives are:

1. Desizing: desizing enzyme (amylase).

2. Refining: caustic soda, refining agent.

3. Bleaching: hydrogen peroxide, hydrogen peroxide stabilizer.

4. Neutralization: glacial acetic acid.

5. Deoxygenation: deoxygenase (catalase).

Pre-dyeing process: refining, bleaching, and finalization.

The additives used are: sodium hydroxide, inorganic acids, organic acids, reducing agents, bleaching agents, oxidants, anionic dispersants, nonionic dispersants, anionic surfactants, nonionic surfactants, resins for shaping, starch or polymer paste.

Common additives in printing and dyeing are:

leveling agents; The dye is slowly adsorbed by the fiber, or the dark part of the dye can diffuse to the light part, without reducing the degree of dyeing firmness.

fixing agents; The dye is formed into dye salts that are insoluble in water, or the dye molecules are enlarged and insoluble in water, so as to improve the firmness of dyeing.

dispersants; Help to the grain.

The particles are crushed to maintain the stability of dye dispersion.

dyes; Dyeing is the main body of the dyeing process, different fiber fabrics use different variegated agents, and according to different processes, dye processing aids are solvents, dispersants, chromogenic agents and phthalocyanine additives.

Adhesive; It does not change color after printing, does not damage the fiber, has a certain elasticity, and feels good.

thickeners; Thickens the color dyeing, promotes adhesion and emulsification, and uses the right to print fabrics to obtain uniform, soft and clear patterns.

Although printing and dyeing is only one part of textile system engineering, it is still a major specialty with multiple processes. What you call "post-printing and dyeing treatment" is just a general statement, in fact, the printing and dyeing industry includes many different processes, and additives will be used in each process.

Pretreatment: scouring agent, bleaching agent, bleaching stabilizer.

Dyeing: dyeing enhancers, retardants, stripping agents, fixing agents

Printing: all kinds of pastes, dye discharge agents, anti-dye agents.

Desizing: desizing agent, reducing cleaning agent.

Finishing: softener, antistatic agent, crosslinker, anti-water repellent agent.

Soaping agents, fixing agents, softeners, waterproofing agents, reducing cleaners, etc.

The question you asked is too abstract, just to answer the role of dyeing and finishing auxiliaries in printing and dyeing processing, refer to the relevant books of printing and dyeing auxiliaries are roughly talking about what the role is, and the specific classification has pre-treatment, dyeing, printing, finishing, etc., can your question be more specific?

1. Editor-in-chief Huang Maofu. Chemical Additives Analysis and Application Handbook. China Textile Publishing House.

20012, Zheng Guanghong, Feng Xining, eds. Dye Chemistry. China Textile Publishing House.

20013, China Textile Information Center. Guidelines for the use of textile dye additives abroad. 20004, Textile Dyeing and Finishing Basics.

WARRE5, Polymer Material Processing Technology. Wu Guochrome.

6. Introduction to dyeing and finishing. Zhang Xun bolt.

7. Introduction to printing and dyeing. Zheng Guanghong et al., eds.

8. Dyeing and finishing auxiliaries and their applications. Luo Jutao.

9. Application of enzymes in textiles. Zhou Wenlong.

10. Application and development of new varieties of dyeing and finishing auxiliaries. Chen Shenghui et al.

Periodicals: Printing and dyeing auxiliaries, printing and dyeing, dyeing and finishing technology, printing and dyeing translation series, etc.

Additives are a wide variety of chemicals that help each process in the whole dyeing and finishing process to go smoothly, improve product quality, reduce malaise and increase benefits.

100 wealth to replace ** content, it's worth it, haha, which college is my brother from? Donghua? Western Spinning? Zhejiang Institute of Technology? Wuhan textile?