Red dye mixtures and their use: dyeing natural or synthetic poly

Details Red dye mixtures and their use: dyeing natural or synthetic poly Red dye mixtures and their use: dyeing natural or synthetic poly

1990-11-19

1992-03-17

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8639, 8683, 8690, 8924, 8929, 8917, C09B 4900

Patent

active

050964607

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) and (3) ##STR2## in which D is substituted or unsubstituted phenyl, thiophenyl or benzothiazolyl, R.sub.2 is C.sub.1 -C.sub.8 alkyl, R.sub.3 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, and R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl, and ##STR3## in which R.sub.5 is C.sub.1 -C.sub.4 alkyl. The dye mixture is distinguished by generally good properties, in particular by good exhaustion.

REFERENCES:
patent: 4537598 (1985-08-01), Schaetzer et al.
patent: 4790043 (1988-12-01), Chappell

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