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Analysis on the Application of Chemical Dyes by Environmental Dyestuff Manufacturers

Analysis on the Application of Chemical Dyes by Environmental Dyestuff Manufacturers

Analysis on the application of chemical dyes by environmental protection dye manufacturers 1. Select chemical dyes according to fiber properties. Because of their different properties, various fibers need to choose suitable chemical dyes when they are dyed. For example, when cotton fiber is dyed, because its molecular structure contains many hydrophilic hydroxyl groups, it is easy to absorb moisture and expand, can react chemically with reactive groups, and is more alkali-resistant, so you can choose direct, reduction, vulcanization, ice chemistry Dyes and reactive chemical dyes. Polyester is highly hydrophobic and is not resistant to alkali at high temperatures. Under normal circumstances, the above chemical dyes should not be used, but disperse chemical dyes should be selected for dyeing.

2021-07-07

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