单词 |
cationic dyes |
释义 |
Cationic Dyes Cationic Dyes organic dyes whose molecules contain the grouping R3 (where R is an alkyl or aryl radical) and the CI- or CH3SO4- anion in an aliphatic chain or in a heterocycle.Cationic dyes, usually azo, anthraquinone, or polymethine dyes, are used for dyeing polyacrylonitrile fibers. |
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