申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0265928A1
公开(公告)日:1988-05-04
A monoazo compound of the formula (I) in the free acid form,
wherein R₁ is alkyl, β-carboxyethyl, β-carboxyvinyl or phenyl, R₂, R₃ and R₄ are each hydrogen or alkyl, A₁ and A₂ are each phenylene or naphthylene, B is
in which R₅ is hydrogen, methyl or sulfo, L is hydrogen or sulfo, and the asterisked linkage is bonded to the azo group, and Z₁ and Z₂ are each -S0₂CH=CH₂, -SO₂CH₂CH₂OSO₃H or the like, which is useful for dyeing or printing fiber materials to give dyed or printed products of extremely deep red color excellent in various fastness properties and dischargeability.
游离酸形式的式 (I) 单偶氮化合物、
其中 R₁ 是烷基、β-羧乙基、β-羧乙烯基或苯基,R₂、R₃ 和 R₄ 分别是氢或烷基,A₁ 和 A₂ 分别是亚苯基或亚萘基,B 是烷基、β-羧乙基、β-羧乙烯基或苯基,R₂、R₃ 和 R₄ 分别是氢或烷基。
其中 R₅ 是氢、甲基或磺基,L 是氢或磺基,星号连接键与偶氮基结合,Z₁ 和 Z₂ 各自是 -S0₂CH=CH₂、-SO₂CH₂CH₂OSO₃H 或类似物、它可用于纤维材料的染色或印花,使染色或印花产品具有极深的红色,在各种牢度特性和排放性方面表现出色。