Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0400647A1
公开(公告)日:1990-12-05
A polyazo compound of the following formula,
wherein X is'
-NR2R3, -OR4 or -SRs, in which R1 is hydrogen or alkyl, R2, R3, R4 and Rs are each hydrogen, alkyl, phenyl, naphthyl or benzyl, A is phenylene, naphthylene or alkylene, Z is a fiber-reactive group of -S02CH=CH2 or -S02CH2CH2Z' in which Z' is a splittable group, Y is pyridinio, and F is polyazo dye moiety carrying a fiber-reactive group like that represented by Z, which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.
下式的多偶氮化合物、
其中 X 为
-NR2R3、-OR4 或 -SRs,其中 R1 是氢或烷基,R2、R3、R4 和 Rs 分别是氢、烷基、苯基、萘基或苄基,A 是亚苯基、亚萘基或亚烷基,Z 是 -S02CH=CH2 或 -S02CH2CH2Z' 的纤维活性基团,其中 Z' 是可拆分基团,Y 是吡啶基、F 是带有 Z 所代表的纤维活性基团的多偶氮染料分子,该化合物可用于纤维材料的染色或印花,以获得染色或印花后的产品,其颜色具有各种优异的牢度特性,并具有优异的堆积特性。