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cationic dyes definition

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  • The nature of cationic dyes

    2021-06-02

    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?

    2021-05-05

    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

  • The difference between color fastness, color fastness and staining fastness

    2021-04-16

    The difference between color fastness, color fastness and staining fastnessColor fastnessColor fastness (Color fastness) is also called color fastness, dye fastness. It refers to the resistance of the color of textiles to various effects during processing and use.The fastness grade is evaluated acco Read More

  • The influence and factors of cationic dyes

    2021-03-17

    The influence and factors of cationic dyesCationic 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 with ca Read More

  • What is cationic dyeing? What are the advantages and disadvantages of cationic dyeing?

    2021-03-08

    What is cationic dyeing? What are the advantages and disadvantages of cationic dyeing?What is cationic dyeing? Cationic dye is a relatively environmentally friendly and harmless dye in our lives, so many friends in life like to use it for dyeing. Next, I will show you how to dye with cationic dyes a Read More

  • Points to note when choosing and using cationic dyes

    2021-03-06

    Points to note when choosing and using cationic dyes1. In cationic dyes, except for disperse cationic dyes, the dyeing speed of other cationic dyes is faster. In order to ensure level dyeing, when using these cationic dyes, it is necessary to add a retarder that matches the dye at the same time. Reg Read More

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