| 摘要 |
PURPOSE: Provided is a dye mixture which has very good wet and light fastness properties on polyester or its blends with other fibers. A method for the preparation of such dye mixture and a method for coloring a textile using such dye mixture are also provided. CONSTITUTION: The Dye mixture comprises at least one dye of the formula 1 and one or more, such as two or three, preferably 1 or 2, dyes of the formula 2, wherein R1 and R2 are independently hydrogen, alkoxy £OR3| or substituted alkoxy £O(CH2)n R4|, in which n is 1 to 6; R3 is alkyl or alkenyl each of which can be optionally substituted by an unsubstituted or a substituted saturated or unsaturated 5-, 6-, or 7-membered heterocyclic or homocyclic residue; and R4 is a group of -OR6 or -COR6, in which R5 is hydrogen for n more than 1, alkyl for n more than 1, alkenyl, aryl, alkoxyalkyl, aryloxyalkyl, carbonylalkyl, carbonylalkenyl, carbonylaryl, carbonylalkoxyalkyl or carbonylaryloxyalkyl and R6 is alkoxy, alkenyloxy, aryloxy, arylalkoxy, aryloxyalkoxy, alkenyloxy alkyloxy or alkoxyalkoxy.
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