The invention relates to a Bunte salt azo dye composition comprising an azo dye containing at least one Bunte salt group. The resulting dye is water soluble material which is useful in the rapid dyeing of natural and synthetic fibers. The Bunte salt azo dye of the present invention can be used without requiring a mordanting step or a concurrent or pre-reducing step to condition fibers of animal hair to accept the dye to achieve strong color performance.
本发明涉及一种邦特盐偶氮
染料组合物,它由含有至少一个邦特盐基团的偶氮
染料组成。 所得
染料为
水溶性物质,可用于天然纤维和合成纤维的快速染色。 本发明的邦特盐偶氮
染料在使用时无需媒染步骤,也无需同时或预还原步骤来调节动物毛发纤维以接受
染料,从而获得强烈的着色性能。