Reactive dyes, their preparation and the use thereof

Details Reactive dyes, their preparation and the use thereof Reactive dyes, their preparation and the use thereof

C - Chemistry, Metallurgy

09

B

260/153, 8/30

C09B 50/00 (2006.01) C09B 62/018 (2006.01) D06P 1/38 (2006.01)

Patent

CA 1312857

1-16945/- Reactive dyes, their preparation and the use thereof Abstract of the Disclosure Reactive dyes of formula (1) Image wherein Y is a radical of formula Image (2) or -CO-A-SO2-X (3) Z is -NH2, 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.-phosphato- ethyl, .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 colour yield.

593726

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