| 摘要 |
Dye mixtures comprising a) one or more azo dyes of the formula I <IMAGE> where Y<1> is hydrogen, C1-C6-alkyl, C1-C4-alkoxy, substituted or unsubstituted C1-C8-alkanoylamino or C3-C4-alkenoylamino, and Y<2> and Y<3> are each hydrogen or substituted or unsubstituted C1-C6-alkyl, b) the azo dye of the formula II <IMAGE> where L is allyl or else, optionally, hydrogen, and c) optionally an azo dye of the formula III and/or IV <IMAGE> where R<1> is nitro or substituted or unsubstituted C1-C4-alkylsulfonyl, R<2> and R<3> are each hydrogen, chlorine or bromine, R<4> and R<5> are each hydrogen or chlorine, R<6> and R<7> are each hydrogen, phenyl or substituted or unsubstituted C1-C4-alkyl, X<1> is hydrogen, hydroxyl, methoxy, acetylamino or nitro, X<2>, X<3>, X<4> and X<5> are each hydrogen, methyl or methoxy, and X<6> is hydroxyl, 2-hydroxyethoxy, formyl or methoxycarbonylamino, dye preparations comprising the novel dye mixtures, and the use of the novel dye mixtures for dyeing or printing polyester-containing substrates in textile form.
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