Dye mixtures comprising water-soluble fiber-reactive azo dyes, preparation thereof and use thereof

A dye mixture consisting essentially of one or more dyes of the formula (1), and one or more dyes of the formulae (2) or (3) or a mixture of formulae (2) and (3) in a mixing ratio of 70:30% by weight to 30:70% by weight:

• where:
• M is hydrogen or an alkali metal;
• D1 is a benzene or naphthalene radical;
• D2 is a benzene or naphthalene radical;
• Y is vinyl or is ethyl which is substituted in the β-position by an alkali-eliminable substituent;
• R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms, when D1 is a benzene radical, or is hydrogen or sulfo, when D1 is a naphthalene radical;
• R2 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms, when D1 is a benzene radical, or is hydrogen or sulfo, when D1 is a naphthalene radical;
• R3 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxyl or sulfo, when D2 is a benzene radical, or is hydrogen or sulfo, when D2 is a naphthalene radical;
• R4 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, or sulfo, when D2 is a benzene radical, or is hydrogen or sulfo, when D2 is a naphthalene radical;
• R5 is hydrogen, chlorine, bromine or sulfo when D2 is a benzene radical, or is hydrogen or sulfo when D2 is a naphthalene radical;
• X1 is fluorine, bromine or chlorine;
• X2 is fluorine, bromine or chlorine;
• Z1 is a group of the general formula (4a) or (4b)
• where
• RA is hydrogen or alkyl of 1 to 4 carbon atoms, which is optionally substituted with sulfo, carboxyl, methoxy, ethoxy, sulfato, phosphate, acetoxy, propionyloxy or hydroxyl,
• RB is hydrogen or alkyl of 1 to 4 carbon atoms, which is optionally substituted with sulfo, carboxyl, methoxy, ethoxy, sulfato, phosphate, acetoxy, propionyloxy or hydroxyl, or the group —NRARB forms the radical of a 5- or 7-membered saturated heterocycle wherein the alkylene radical of this heterocycle is optionally additionally interrupted by 1 or 2 hetero groups,
• RC is hydrogen or alkyl of 1 to 4 carbon atoms, which is optionally substituted with sulfo, carboxyl, sulfato or hydroxyl, and
• RD is hydrogen or phenyl, which is optionally substituted by 1 or 2 substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxyl, sulfo and chlorine;
• Z2 has one of the meanings mentioned for Z1;
• X3 is fluorine, bromine or chlorine;
• Z3 has one of the meanings mentioned for Z1;
• Z0 is a group of the formula (5a), (5b), (5c) or (5d)
• where
• R10 is hydrogen or chlorine;
• R11 is hydrogen, chlorine or fluorine;
• R0 is hydrogen, alkyl of 1 to 4 carbon atoms, phenyl or chlorine-, sulfo-, methyl-, ethyl-, methoxy-, ethoxy- or carboxyl-substituted phenyl;
• X4 has one of the meanings of X1;
• Y1 has one of the meanings of Y;
• B is alkylene of 2 to 6 carbon atoms, or is alkylenephenylene or phenylenealkylene each containing an alkylene of 2 to 4 carbon atoms, wherein the phenylene radicals are optionally substituted by 1 or 2 substituents selected from the group consisting of methyl, methoxy, ethyl and ethoxy, or is alkylene of 3 to 8 carbon atoms which is interrupted by 1 or 2 hetero groups;
• the one —SO3M group in the sulfoaminonaphthol radicals of the formulae (1), (2), (3) is attached to the naphthalene radical in a position which is meta or para relative to the NH group;
• the azo group in the formula (3) is attached to the benzene nucleus in a position which is meta or para relative to the Z0—NH-group.