Bisazo compounds and use thereof as fiber reactive dyes

Details Bisazo compounds and use thereof as fiber reactive dyes Bisazo compounds and use thereof as fiber reactive dyes

1994-01-31

1995-12-26

Richter, Johann

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

Organic compounds

Azo

534637, C09B 62513, D06P 1384

Patent

active

054789273

ABSTRACT:
A bisazo compound of the following formula: ##STR1## wherein R.sup.1 and R.sup.3 are each hydrogen or alkyl; D is phenylene or naphthylene; one of X.sup.1 and X.sup.2 is NH.sub.2 and the other is OH; Z.sup.1 and Z.sup.2 are each --CH.dbd.CH.sub.2 or --CH.dbd.CH.sub.2 Z' in which Z' is a splittable group; B is monosulfophenylene, monosulfophenylene-methylene or mono- or di-sulfonaphthylene-methylene; U is phenylene or an aliphatic bridging group; and J is an amono-derivative group or, J may be alkoxy when X.sup.1 is OH and U is phenylene, and J may be alkoxy or phenoxy when X.sup.1 is OH and U is the aliphatic bridging group. This compound is useful for dyeing or printing fiber materials and gives a dyed or printed product having a color superior in various fastness properties with superior build-up property.

REFERENCES:
patent: 5112959 (1992-05-01), Miyamoto et al.
patent: 5138041 (1992-08-01), Buch et al.
patent: 5243034 (1993-09-01), Tappe et al.
Washimi et al, Chemical Abstracts, 117: 152728r (1992).

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