Anionic azo dye mixtures and their use for dyeing natural and sy

Details Anionic azo dye mixtures and their use for dyeing natural and sy Anionic azo dye mixtures and their use for dyeing natural and sy

1990-11-19

1992-03-03

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8639, 8683, 8690, 8696, 8917, 8924, C09B 4900

Patent

active

050929062

ABSTRACT:
The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is methyl or ethyl and at least one dye of the formulae (2) to (4) ##STR2## in which R.sub.2 is halogen, benzoylamino which is unsubstituted or substituted in the phenyl ring by halogen, 1-azacycloheptane-N-sulfonyl or ##STR3## in which R.sub.5 is C.sub.1 -C.sub.8 alkyl or phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, and R.sub.6 is hydrogen, or R.sub.5 and R.sub.6 are C.sub.1 -C.sub.8 alkyl, R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.8 alkyl, and R.sub.4 is hydrogen or halogen, ##STR4## in which D is substituted or unsubstituted phenyl, thiophenyl or benzothiazolyl, R.sub.7 is C.sub.1 -C.sub.8 alkyl, R.sub.8 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, and R.sub.9 is hydrogen or C.sub.1 -C.sub.4 alkyl, and ##STR5## in which R.sub.10 is C.sub.1 -C.sub.4 alkyl. The dye mixture is extinguished by generally good properties, in particular by good exhaustion.

REFERENCES:
patent: 4537598 (1985-08-01), Schaetzer et al.
patent: 4790043 (1988-12-01), Chappell
Color Index, 7, p. 7273.
C. L. Bird, The Theory and Practice of Wool Dyeing, The Society of Dyers and Colourists, Yorkshire, p. 79 (1972).

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