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    • 6. 发明授权
    • Benzisothiazole and indazole azo compounds
    • 苯并异噻唑和吲唑偶氮化合物
    • US3985726A
    • 1976-10-12
    • US418007
    • 1973-11-21
    • Klaus Artz
    • Klaus Artz
    • C09B29/42C09B29/08
    • C09B29/3634
    • An azo compound free of sulphonic acid groups, of the formula ##SPC1##Wherein B is the radical of a coupling component of the phenol or naphthol, pyrazolone, pyridone, aminopyrazole, enolisable keto compound or alkylaniline series and Y is a sulphur atom or a nitrogen atom, R represents a hydrocarbon radical or a hydrogen atom, and n =1 or 2, n being 1 if Y= --S-- and n being 2 if Y= --N=, and wherein the ring D can carry yet further substituents and the dyestuff molecule contains at least one carboxyl group, and useful in dyeing and printing leather, wool, silk and synthetic fibers such as acrylic, acrylonitrile, polyamide and especially aromatic polyester fibers.
    • 不含磺酸基团的偶氮化合物,式WHEREIN B是苯酚或萘酚,吡唑啉酮,吡啶酮,氨基吡唑,可溶性酮基化合物或烷基苯胺系列的偶联组分的基团,Y是硫原子或氮原子, R表示烃基或氢原子,n = 1或2,如果Y = -S-,n为1,如果Y = -N =,则n为2,其中环D可携带另外的取代基,染料 分子含有至少一个羧基,可用于染色和印刷皮革,羊毛,丝绸和合成纤维如丙烯酸,丙烯腈,聚酰胺和特别是芳族聚酯纤维。