Reactive dyes

Details Reactive dyes Reactive dyes

1989-03-08

1991-06-04

Ford, John M.

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

Organic compounds

Diazo or diazonium

534618, C07C24522

Patent

active

050215574

ABSTRACT:
Reactive dyes of formula ##STR1## wherein Y is a radical of formula ##STR2## Z is --NH.sub.2, an unsubstituted or a substituted aliphatic or aromatic amino group; A is an unsubstituted or a substituted aliphatic or aromatic bridging group, and X is .beta.-sulfatoethyl, .beta.-thiosulfatoethyl, .beta.-phosphatoethyl, .beta.-acyloxyethyl, .beta.-haloethyl or vinyl; the benzene rings I, II and III may contain further substituents in addition to 2 to 4 sulfo groups and, in the benzene ring II, to the radical --NH--Y; and the reactive dyes of formula (1) contain only a single fibre-reactive radical, are especially suitable for dyeing or printing cellulosic fibre materials by the methods customarily employed for reactive dyes, and give dyeings and prints of good fastness properties in high color yield.

REFERENCES:
patent: 3068219 (1962-12-01), Beffa et al.
patent: 4024123 (1977-05-01), Dussy et al.
patent: 4556706 (1985-12-01), Hegar et al.

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