Aqueous liquid dye composition containing bifunctional reactive

Details Aqueous liquid dye composition containing bifunctional reactive Aqueous liquid dye composition containing bifunctional reactive

1986-02-20

1987-09-15

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8528, 8549, 8657, 8661, 8662, 8677, 8681, 8686, 8687, 8688, 8917, 8918, 8924, C09B 6700, C09B 6200

Patent

active

046937250

ABSTRACT:
An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an substituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by an alkali, in an amount of 5 to 50% by weight based on the weight of the liquid dye composition, the liquid dye composition having a pH value of from 3 to 7.

REFERENCES:
patent: 4072463 (1978-02-01), Schlafer et al.
patent: 4078885 (1978-03-01), Opitz et al.
patent: 4435181 (1984-03-01), Hoguet et al.
patent: 4439205 (1984-03-01), Harada et al.
patent: 4443224 (1984-04-01), Opitz
patent: 4540418 (1985-09-01), Otake et al.
patent: 4548612 (1985-10-01), Kayane et al.
patent: 4588411 (1986-05-01), Scheibli et al.

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