Mixtures of fibre-reactive ring-opened phthalimidylazo dyes

Details Mixtures of fibre-reactive ring-opened phthalimidylazo dyes Mixtures of fibre-reactive ring-opened phthalimidylazo dyes

1995-12-27

1997-09-09

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8549, 8639, 8641, 8918, C09B 6200, D06P 366, D06P 1382, D06P 1384

Patent

active

056651252

ABSTRACT:
Mixtures comprising a compound of the formula ##STR1## and a compound of the formula ##STR2## in which K is the radical of a coupling component, s is the same in the compounds of formulae (16a) and (16b) and is the number 1 or 2, R and R' are each hydrogen, sulfo, hydroxyl, C.sub.1 -C.sub.4 alkoxy, halogen or cyano, A is C.sub.1 -C.sub.6 alkylene which is optionally substituted by halogen, hydroxyl, sulfato, carboxyl, cyano, C.sub.2 -C.sub.4 alkanoyloxy, C.sub.1 -C.sub.4 alkoxycarbonyl or carbamoyl or interrupted by a group --O-- or --NR"--, or is C.sub.1 -C.sub.6 alkylenephenylene which is unsubstituted or substituted in the phenyl part by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen or sulfo, and R" is hydrogen or C.sub.1 -C.sub.4 alkyl, and the ratio of the compounds of formulae (16a) and (16b) is about 1:1, are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials.

REFERENCES:
patent: 2533178 (1950-12-01), Randall et al.
patent: 3974160 (1976-08-01), Seiler et al.
patent: 4039522 (1977-08-01), Weaver et al.
patent: 4562249 (1985-12-01), Schwander et al.
patent: 4734490 (1988-03-01), Schwander et al.
patent: 4754024 (1988-06-01), Schwander

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