Cellulose fiber-reactive disazo or trisazo dyes having a triazine ring substituted by A(B-sulfatoethyl) sulfonylanilino group

Abstract

Abstract Reactive azo dyes represented by the general formula (I) or (II): <IMAGE> (I) <IMAGE> <IMAGE> (II) <IMAGE> wherein M is a hydrogen atom or an alkali metal, R1 is a hydrogen atom, a chlorine atom, a lower alkyl group, a lower alkoxy group, a nitro group or a carboxyl group, R2 and R8 are a lower alkyl group, a lower alkoxy group or a sulfonic acid group, R3, R7 and R9 are a hydrogen atom, a lower alkyl group, a lower alkoxy group, an acetylamino group or a sulfonic acid group, R4 and R5 are a hydrogen atom, a methyl group, a methoxy group or a sulfonic acid group, R6 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or a sulfonic acid group, Z1 is a chlorine atom, a fluorine atom, an aliphatic or an aromatic amino residual group, a methoxy group or a phenoxy group, Z2 is the same one as Z1 when Z3 is <IMAGE> Z2 is a chlorine atom or a fluorine atom when Z3 is an aliphatic amino residual group, an aromatic amino residual group except <IMAGE> a methoxy group or a phenoxy group, Z3 is <IMAGE> an aliphatic amino residual group, an aromatic amino residual group except <IMAGE>BN,00 R4R5SO2C2H4SO3M,+RE a methoxy group, or a phenoxy group, m is 1, 2 or 3, m' is 2 or 3, n is 0 or 1, and the benzene rings A, B and C may be naphthalene rings.

Inventors

• 👤 Toshio Niwa
• 👤 Yoshiaki Kato

Bibliographic Details