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Dyeing process of yarn-dyed fabricThe foam dyeing process of fabrics, yellow, pink, orange, red...etc. The world is full of colors. As far as the textile industry is concerned, the importance of colors has increased a lot. In the world of textiles and clothing, color is one of the factors that attra Read More
Types of cationic dyesCationic dyes can be classified according to two classification methods: application performance and chemical structure type. According to the application performance, China divides the existing dyes into ordinary type, X type and M type. According to the chemical structure, it Read More
The nature of cationic dyesSolubilityThe salt-forming alkyl and anionic groups in the cationic dye molecule affect the solubility of the dye. In addition, if there are anionic compounds in the dyeing medium, such as anionic surfactants and anionic dyes, they will also combine with cationic dyes to f Read More
What is the difference between organic dyes and ordinary dyes?The organic compounds of organic pigments and dyes are very similar from the chemical structures of organic pigments and dyes. Even some organic compounds can be used as dyes and can be used as organic pigments, but organic pigments and d Read More
Factors to consider when choosing dyes1. Choose dyes according to fiber propertiesBecause of the different properties of various fibers, it is necessary to select suitable dyes when dyeing. For example, when cotton fiber is dyed, because its molecular structure contains many hydrophilic hydroxyl gro Read More
Influencing factors of cationic dye uptake rateCationic dyes have a high affinity for acrylic fibers, and because of fast absorption and slow diffusion during dyeing, uneven dyeing is easy to occur. Once uneven dyeing occurs, it is difficult to correct it by extending the dyeing time. When dyeing wi Read More