BLACK DYE MIXTURES OF FIBER-REACTIVE AZO DYES, METHODS FOR THEIR PREPARATION AND USE THEREOF FOR DYEING HYDROXY- AND/OR CARBOXAMIDO- CONTAINING FIBER MATERIAL

摘要

Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1),and one or more disazo dyes conforming to the general formula (2),wherein the amide group is in the 6, 7, or 8 position relative to the hydroxy group and wherein:M, n, W, R<1>, R<2>, R<3>, R<4>, R<5>, R<11>, L<1>, L<2>, L<3 >are as defined in claim 1 methods for their preparation and use thereof for dyeing hydroxyl- and/or carboxamido-containing fiber material.