| 摘要 |
Monoazo dyes of the formula <IMAGE> (1) in which K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series, and R is a <IMAGE> -CO-R2 or -SO2-O-R2 group in which R1 is hydrogen or C1-4-alkyl and R2 is a substituted or unsubstituted monosulfo-C1-12-alkyl radical, a substituted or unsubstituted monosulfophenyl, disulfophenyl, monosulfonaphthyl or disulfonaphthyl radical, and X and Y, independently of each other, are hydrogen, C1-4-alkyl, C1-4-alkoxy, halogen, C2-6-alkanoylamino, C1-5-alkylsulfonylamino or a substituted or unsubstituted phenyl or phenoxy radical, produce dyeings on polyamide material which have good light and wet fastness properties. |
