Aqueous liquid composition of vinylsulfone type reactive dyes in

Details Aqueous liquid composition of vinylsulfone type reactive dyes in Aqueous liquid composition of vinylsulfone type reactive dyes in

1987-04-08

1989-05-23

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8549, 8564, 8639, 8918, 8937, C09B 6251, C09B 6726, D06P 138, C09D 6251

Patent

active

048326984

ABSTRACT:
An aqueous liquid dye composition comprising a dye represented by the following formula in a free acid form, ##STR1## wherein Y is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 X in which X is a group splittable by the action of an alkali, and a pH buffer, the dye being in the form of a lithium salt, and the liquid dye composition having a pH value of from 3 through 7 and a dye content of from 5 through 50% by weight based on the weight of the liquid dye composition, which can be stored stably for a long period of time even at a low temperature such as 0.degree. C. or lower, and a high temperature such as 40.degree. C. or higher.

REFERENCES:
patent: 3723056 (1973-03-01), Litke
patent: 4002424 (1977-01-01), Smith
patent: 4118184 (1978-10-01), Opitz et al.
patent: 4472168 (1984-09-01), Gauthier
patent: 4472168 (1987-11-01), Gauthier
patent: 4673410 (1987-06-01), Sandefur et al.
patent: 4707545 (1987-11-01), Meininger et al.

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