申请人:DyStar Textilfarben GmbH & Co. Deutschland KG
公开号:US06682573B2
公开(公告)日:2004-01-27
The present invention refers to a dye mixture comprising an azo dye of the formula (I)
wherein
each of X and X1 independently is chlorine or bromine;
R1 is absent or is C1-4 alkyl; and
each of R2 and R3 independently is hydrogen, C1-6 alkyl or cyanoethyl;
but when R1 is absent, R2 is n-butyl or cyanoethyl and R3 is cyanoethyl;
and further dye components according to claim 1,
a method for the preparation of such mixtures and a method for coloring a synthetic textile material or fiber blend thereof using such mixtures.
本发明涉及一种染料混合物,包括式(I)的偶氮染料,其中X和X1各自独立地为氯或溴;R1不存在或是C1-4烷基;而R2和R3各自独立地为氢、C1-6烷基或氰乙基;但当R1不存在时,R2为正丁基或氰乙基,R3为氰乙基;以及根据权利要求1的进一步染料组分,一种制备这种混合物的方法以及使用这种混合物为合成纺织材料或纤维混合物着色的方法。