Reactive dye composition: mixture of reactive copper phthalocyan

Details Reactive dye composition: mixture of reactive copper phthalocyan Reactive dye composition: mixture of reactive copper phthalocyan

1986-03-12

1987-12-08

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

8527, 8549, 8638, 8661, 8918, C09B 6210, C09B 6722, D06P 138

Patent

active

047116412

ABSTRACT:
A reactive blue dye composition, which comprises a phthalocyanine dye represented by a free acid of the following formula (I), ##STR1## wherein CuPc is a copper phthalocyanine nucleus, W is a C.sub.2 -C.sub.4 alkylene group or a 1,3- or 1,4-phenylene group having one or two sulfo groups, R.sub.1 and R.sub.2 are independently a hydrogen atom or a lower alkyl group, 1 is a number of 1 to 3, m is a number of 0 to 2, and n is a number of 1 to 3, provided that the total number of 1, m and n is 4 or less, and a phthalocyanine dye represented by a free acid of the following formula (II), ##STR2## wherein CuPc, 1, m and n are as defined above, Y.sub.1 and Y.sub.2 are independently a hydrogen atom or a methyl, methoxy or sulfo group, R.sub.3 is a hydrogen atom or a lower alkyl group, and Q 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 the action of an alkali, the mixing weight ratio of the dyes (I) to (II) in terms of a copper content being from 80 through 20 to from 20 through 80, which is useful for dyeing or printing fiber materials also in a blend with other color dyes such as yellow and red dyes to give dyed or printed products of a brilliant color excellent in fastness properties with high reproducibility.

REFERENCES:
patent: 4078885 (1978-03-01), Opitz et al.
patent: 4338093 (1982-07-01), Hilderbrand et al.
patent: 4540418 (1985-09-01), Otake et al.
patent: 4548612 (1985-10-01), Kayame et al.
patent: 4602915 (1986-07-01), Wolff et al.

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