Stabilized aqueous liquid composition of fiber-reactive azo dye:

Details Stabilized aqueous liquid composition of fiber-reactive azo dye: Stabilized aqueous liquid composition of fiber-reactive azo dye:

1988-03-14

1990-06-19

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8549, 8639, 8641, 8684, 8690, 8692, 8917, 8918, 8924, C09B 6251, C09B 6744, D06P 138

Patent

active

049340093

ABSTRACT:
An aqueous liquid dye composition comprising 5 to 50% by weight of a mixture of at least one dye represented by the following formula (I), ##STR1## wherein A is a phenylene or naphthylene group unsubstituted or substituted by at least one member selected from methyl, methoxy, sulfo and carboxy, R is methyl or carboxy, Y.sub.1, Y.sub.2 and Y.sub.3 independently of one another are each hydrogen, chloro, methyl or sulfo, and Z is a group splittable by the action of an alkali, and at least one dye represented by the following formula (II), ##STR2## where A, R, Y.sub.1 Y.sub.2 and Y.sub.3 are as defined above, which can be stored for a long period of time even at lower temperatures such as 5.degree. C. or lower without crystallization of the dye.

REFERENCES:
patent: 4072463 (1978-02-01), Schlafer et al.
patent: 4078884 (1978-03-01), Opitz et al.
patent: 4118184 (1978-10-01), Opitz et al.
patent: 4149850 (1979-04-01), Schlafer et al.
patent: 4448583 (1984-05-01), Corso
patent: 4482350 (1984-11-01), Tokieda et al.
patent: 4749380 (1988-06-01), Yamauchi et al.

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