申请人:SANDOZ AG
公开号:EP0365486A2
公开(公告)日:1990-04-25
Fibre-reactive compounds of the formula
in which b is 1 or 2,
each R1 is hydrogen or C1 -4alkyl
each Z is
and
Fe is a metal-free or metal-containing monoazo or disazo radical as defined in the specification, which compounds are in free acid or salt form, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, for example leather and fibre materials containing or consisting of natural or synthetic polyamides or of natural or regenerated cellulose; the most preferred substrate is textile material containing or consisting of cotton. The dyeings and prints obtained show good general fastness properties such as good light fastness, wet fastnesses and resistance to oxidative influences.
式中的纤维反应化合物
其中 b 为 1 或 2、
每个 R1 是氢或 C1 -4 烷基
每个 Z 是
和
Fe 是本说明书中定义的不含金属或含金属的单偶氮或二偶氮基,这些化合物是游离酸或盐形式,以及它们的混合物,可用于含羟基或含氮有机基材的染色或印花,例如皮革和含有或由天然或合成聚酰胺或天然或再生纤维素组成的纤维材料;最优选的基材是含有或由棉组成的纺织材料。所获得的染色和印花具有良好的一般牢度特性,如良好的耐光牢度、耐湿牢度和抗氧化性。