The present invention concerns orange dye mixtures of fiber-reactive azo dyes, suitable for dyeing hydroxy- and/or carboxamido-containing material, such as cellulose fibers, like cotton, or wool and nylon, which comprise one or more monoazo dyestuffs corresponding to the general formula (1) and one or more monoazo dyestuffs corresponding to the
formula (2)
in which D1 and D2 are each, independently from one another, a radical of a benzene or naphthalene nucleus, R1, R2, R3 and R4 are each, independently from one another, hydrogen, methyl, ethyl, methoxy, ethoxy, sulfo or carboxy, M is hydrogen or an alkali metal and the groups Y1-SO2- and Y2-SO2- are each fiber reactive groups of the vinylsulfone series.
本发明涉及纤维活性偶氮
染料的橙色
染料混合物,适用于含羟基和/或羧基
氨基的材料,如
纤维素纤维(如棉、羊毛和尼龙)的染色,它包括一种或多种符合通式(1)的单偶氮
染料和一种或多种符合通式(2)的单偶氮
染料。
式 (2)
其中 D1 和 D2 各自独立地为苯核或
萘核的基团,R1、R2、R3 和 R4 各自独立地为氢、甲基、乙基、甲氧基、乙氧基、磺氧基或羧基,M 为氢或碱
金属,基团 Y1-SO2- 和 Y2-SO2- 分别为
乙烯基砜系列的纤维活性基团。