The present invention provides disazo reactive dyestuffs containing the quaternary group compounds of the general formula (1)
wherein R, (W)
0˜3
, (W′)
0˜3
, Y
1
and Y
2
are defined the same as the specification. The dyes of the invention are distinguished by high fixation and a very good build-up. They are distinguished also by high washing off and a low nylon stain, and they have fiber-reactive properties and are very highly suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, synthetic cotton, hemp, and synthetic hemp, or amide containing fibres such as wool and nylon.
本发明提供了一种含有四元基化合物的偶氮反应
染料,其通式为(1),其中R、(W)0~3、(W′)0~3、Y1和Y2与规范中定义相同。该发明的
染料具有高固定性和非常好的上色效果。它们还具有高洗涤牢度和低尼龙污渍,具有纤维反应性质,非常适合于染色和印花含有
纤维素纤维的材料,如棉、合成棉、
大麻和合成
大麻,或含酰胺纤维的材料,如羊毛和尼龙。