Mixtures of azo dyes for navy to black hues

Details Mixtures of azo dyes for navy to black hues Mixtures of azo dyes for navy to black hues

C - Chemistry, Metallurgy

09

B

C09B 67/36 (2006.01) C09B 67/22 (2006.01) D06P 1/04 (2006.01)

Patent

CA 2114819

Abstract of the Disclosure: Dye mixtures contain a) one or more azo dyes of the formula I Image (I) where Y1 is hydrogen, C1-C6-alkyl, C1-C4-alkoxy or unsub- stituted or substituted C1-C8-alkanoylamino or C3- or C4-alkenylamino or Y2 ant Y3 are each hydrogen or unsubstituted or substituted C1-C6-alkyl b) the azo dye of the formula II Image (II) where L is allyl or may furthermore be hydrogen and c) if required, an azo dye of the formula III and/or IV Image (III) Image (IV) where R1 is nitro or unsubstituted or substituted C1-C4- alkylsulfonyl R2 and R3 are each hydrogen, chlorine or bromine, R4 and R5 are each hydrogen or chlorine, R6 and R7 are each hydrogen, phenyl or unsubstituted or substituted C1-C4-alkyl X1 is hydrogen, hydroxyl, methoxy, acetylamino or nitro, X2, X3, X4 and X5 are each hydrogen, methyl or methoxy and X6 is hydroxyl, 2-hydroxyethoxy, formyl or methoxy- carbonylamino, dye formulations contain the novel dye mixtures, and the novel dye mixtures are used for dyeing or printing polyester-containing substrates in textile form.

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