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

1992-02-25

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8639, 8683, 8917, 8924, C09B 4900

Patent

active

050909649

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 formula ##STR2## in which R.sub.2 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl is halogen, benzoylamino which unsubstituted or substituted in the phenyl ring by halogen, or 1-azacycloheptane-N-sulfonyl or ##STR3## in which R.sub.5 is C.sub.1 14 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 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. The dye mixture is distinguished by generally good properties, in particular by good exhaustion.

REFERENCES:
patent: 4537598 (1985-08-01), Schaetzer et al.

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