Sulpho group-containing anthraquinone dyestuffs
    3.
    发明授权
    Sulpho group-containing anthraquinone dyestuffs 失效
    含磺基的蒽醌染料

    公开(公告)号:US4376077A

    公开(公告)日:1983-03-08

    申请号:US958182

    申请日:1978-11-06

    CPC分类号: D06P3/241 C09B1/34

    摘要: Disclosed are anthraquinone dyestuffs which, in free acid form, are of formula I, ##STR1## in which R signifies an alkyl radical of 6 to 24 carbon atoms, an unsubstituted cyclohexyl radical or a cyclohexyl radical substituted by one or more substituents selected from halogen atoms and alkyl and alkoxy radicals,R.sub.1 and R.sub.2, independently, each signifies an alkyl radical of 1 to 6 carbon atoms,X signifies --O-- or a direct bond,ring A is unsubstituted or substituted by one or two halogen atoms, hydroxyl groups or C.sub.1-4 alkyl or alkoxy groups,their production and use in the dyeing of anionic dyeable substrates, particularly natural and synthetic polyamide fibers.

    摘要翻译: 公开了以游离酸形式为式I的化合物,其中R表示6至24个碳原子的烷基,未取代的环己基或被一个或多个选自以下的取代基取代的取代基的环己基: 卤素原子和烷基和烷氧基,R 1和R 2各自独立地表示1至6个碳原子的烷基,X表示-O-或直接键,环A未被取代或被一个或两个卤素原子取代,羟基 基团或C 1-4烷基或烷氧基,它们在阴离子可染色基质,特别是天然和合成聚酰胺纤维的染色中的生产和应用。