Halo-triazine and vinylsulfone reactive dye composition with buf

Details Halo-triazine and vinylsulfone reactive dye composition with buf Halo-triazine and vinylsulfone reactive dye composition with buf

1984-05-18

1985-10-22

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

8527, 8528, 8549, 8688, 8918, C09B 6724

Patent

active

045486123

ABSTRACT:
A reactive dye composition comprising (1) a dye having the formula, ##STR1## wherein D is an organic dye residue having at least one sulfo group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is a group, --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a group capable of being split by the action of an alkali, and (2) a buffer, the amount of the buffer being from 3 through 80% by weight based on the weight of the dye, and the pH value of an aqueous solution prepared from the dye composition and water of 20 times as much as the weight of the dye composition being from 3.5 through 7.5, which is superior in storage stability, and useful for dyeing or printing fiber materials to give dyed or printed products having superior fastness with high reproducibility.

REFERENCES:
patent: 4072463 (1978-02-01), Schlafer et al.
patent: 4118184 (1978-10-01), Opitz et al.
patent: 4378313 (1983-03-01), Kayane et al.
patent: 4384868 (1983-05-01), Sunami et al.

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