Polyazo dye compounds having vinylsulfone type and pyridinium ty

Details Polyazo dye compounds having vinylsulfone type and pyridinium ty Polyazo dye compounds having vinylsulfone type and pyridinium ty

1990-05-17

1992-05-26

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534605, 534637, C09B 62503, D06P 1384

Patent

active

051169568

ABSTRACT:
A polyazo compound of the following formula, ##STR1## wherein X is ##STR2## --NR.sub.2 R.sub.3, --OR.sub.4 or --SR.sub.5, in which R.sub.1 is hydrogen or alkyl, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, A is phenylene, naphthylene or alkylene, Z is a fiber-reactive group of --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, Y is pyridinio, and F is polyazo dye moiety carrying a fiber-reactive group like that represented by Z, which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

REFERENCES:
patent: 4626589 (1986-12-01), Omura et al.

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