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los colorantes ácidos tradicionales se refieren a los colorantes solubles en agua que contienen grupos ácidos, y la gran mayoría de los grupos ácidos contienen sulfonato de sodio en las moléculas de colorante. Read More
Learning Guide: Traditional acid dyes refer to water -soluble dyes containing acid groups, and the vast majority of acid groups contain sodium sulfonate exist on dye molecules. Read More
RefinedThe nylon fabric contains less miscellaneous, and the purpose of refined is to remove fiber in the process of spinning and weaving.The oil and other dirt. So often combine the retreat or cooking drift. Synthetic agents are commonly used in soap or synthetic detergent. For severe dirty, a smal Read More
Acid Dyes are a class of water-soluble dyes with acidic groups in their structure, which are dyed in acidic media. Most of the acid dyes contain sulfonic acid sodium salt, which is soluble in water, bright in color and complete in chromatogram. Mainly used for dyeing wool, silk and nylon, but also f Read More
Acid dyes are only suitable for positively charged fibers, such as polyamide fibers in an acid bath, but cotton fibers can also be dyed with acid dyes after cationization.When dyeing with two dyes, the structure of the dye and the structure of the cationic cotton dominate.Better wash fastness can be Read More
With the use of small liquor ratio and continuous dyeing process, the degree of automation of printing and dyeing has been continuously improved, the emergence of automatic fillers and pulp mixing, and the introduction of liquid dyes require the preparation of high-concentration and high-stability d Read More
1. It is easier to dye nylon with disperse dyes using alkali agents to reduce the color, but the shade changes greatly, and the darkening is serious.2. For dyeing nylon with neutral dyes, soda ash treatment has almost no color reduction ability, and the shade changes, caustic soda has the color redu Read More
Nylon 6 is a type of polymer material with characteristic structure amide bonds on the main chain of macromolecules, and its dyeing performance is similar to wool. It has excellent strength, abrasion resistance, soft hand feeling, light texture and other good wearing properties, and it occupies an i Read More
When dyeing, do you know the precautions for acid dyes?The biggest performance defect of acid dye dip dyeing nylon is its dependence on the pH value of the dyeing bath, that is, its dyeing rate and amount will change significantly with the fluctuation of the pH value of the dyeing bath. According to Read More
What is acid dye and what is the function of acid dye?The biggest performance defect of acid dye dip dyeing nylon is its dependence on the pH value of the dyeing bath, that is, its dyeing rate and amount will change significantly with the fluctuation of the pH value of the dyeing bath. According to Read More
What matters should be paid attention to when acid dyes are fixed?Nowadays, acid dyes have been widely used in the dyeing of fabrics and are often used by people. However, the dyes usually have poor color fastness. Therefore, some users are fixing the dyes to meet the standard, but we need to pay at Read More
Classification and dyeing principle of acid dyesAcid dyes are a type of water-soluble dyes with acidic groups in the structure, which are dyed in acidic media. Most acid dyes contain sodium sulfonate, which is soluble in water, bright in color and complete chromatogram. Acid dyes are water-soluble a Read More
