Azo dye mixtures and their use for dyeing natural and synthetic

Details Azo dye mixtures and their use for dyeing natural and synthetic Azo dye mixtures and their use for dyeing natural and synthetic

1992-07-14

1993-08-10

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8639, 8681, 8682, 8683, 8684, 8687, 8690, 8692, 8917, 8924, C09B 4900, C09B 2940, C09B 6722, D06P 324

Patent

active

052344673

ABSTRACT:
The invention relates to a dye mixture comprising at least one dye of the formula ##STR1## in which R.sub.1 and R.sub.2, independently of one another, are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl or phenyl, R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl or phenyl, R.sub.4 is hydrogen or a radical of the formula ##STR2## R.sub.5 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl or phenyl, and benzene rings I and II may be further substituted, together with at least one dye of the formulae (2) to (6) given in the description.
The dye mixtures are suitable for the dyeing or printing of natural and synthetic polyamide fibre materials, in particular in combination with other dyes.

REFERENCES:
patent: 3900460 (1975-08-01), Dehwert
patent: 4579561 (1986-04-01), Rowe et al.
patent: 4749784 (1988-06-01), Feeman
patent: 4789784 (1988-06-01), Feeman et al.
patent: 5090964 (1992-02-01), Mausezahl
patent: 5092905 (1992-03-01), Dore
patent: 5092906 (1992-03-01), Mausezahl
patent: 5094665 (1992-03-01), Mausezahl
patent: 5096460 (1992-03-01), Mausezahl

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