Mixtures of fiber-reactive azo dyes, their preparation and use

Details Mixtures of fiber-reactive azo dyes, their preparation and use Mixtures of fiber-reactive azo dyes, their preparation and use

C - Chemistry, Metallurgy

09

B

C09B 67/22 (2006.01)

Patent

CA 2563296

The invention relates to a dye mixture which comprises at least one dye of general formula (I) and at least one dye of general formula (II), wherein D1, D2, W1, W2, Y1, Y2, R1 to R6, M, m and n are defined as in claim 1. The invention also relates to a method for producing these dyes, to their use and to inks for digital printing containing the same.

La présente invention concerne un mélange de colorants contenant au moins un colorant de la formule générale (I) et au moins un colorant de la formule générale (II) où D?1¿, D?2¿, W?1¿, W?2¿, Y?1¿, Y?2¿, R?1¿ à R?6¿, M, m et n ont la définition donnée dans la revendication (1). L'invention concerne également le procédé de production de ce mélange, son utilisation et les encres contenant ce mélange et destinées à l'impression numérique.

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