Azo dye mixture and their use for dyeing and printing natural an

Details Azo dye mixture and their use for dyeing and printing natural an Azo dye mixture and their use for dyeing and printing natural an

1990-10-18

1992-03-10

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8639, 8682, 8683, 8687, 8692, 8694, 8917, 8924, C09B 2940, C09B 6722, D06P 324

Patent

active

050946650

ABSTRACT:
The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R.sub.1 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, C.sub.2-4 alkanoylamino or an unsubstituted or substituted arylsulfonyl, aryloxy or arylcarbonyl radical, R.sub.2 is hydrogen, halogen, an unsubstituted or substituted alkyl, aryloxy or aryloxysulfonyl radical or a radical of the formula ##STR2## R.sub.3 is unsubstituted or substituted alkyl or aryl radical, R.sub.4 is hydrogen or alkyl and R.sub.5 and R.sub.6 independently of one another are hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical, and at least one dye of the formula (2) to (5) ##STR3## in which the benzene rings I, II and III can be substituted, ##STR4## in which the benzene rings IV, V and VI can be substituted and R is hydrogen or arylsulfonyl, ##STR5## in which B.sub.1, B.sub.2 and E.sub.1 are hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or C.sub.2-4 hydroxyalkoxy and X is straight-chain or branched C.sub.1-4 alkyl or straight-chain or branched C.sub.2-4 hydroxyalkyl, and ##STR6## in which D.sub.1 is as defined for R.sub.1 in formula (1), D.sub.2 is as defined for R.sub.2 in formula (1) and (D.sub.3).sub.1-3 is 1 to 3 substituents D.sub.3, and D.sub.3 is hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or sulfo.

REFERENCES:
patent: 4396393 (1983-08-01), Schaetzer et al.
patent: 4402704 (1983-09-01), Raisin et al.
patent: 4445905 (1984-05-01), Schaetzer et al.
patent: 4537598 (1985-08-01), Schaetzer et al.
patent: 4652269 (1987-03-01), Bowles et al.
patent: 4954563 (1990-09-01), Hurter
The Theory & Practice of Wool Dyeing, the Society of Dyers & Colourists, 1972, p. 79.

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