Reactive dyes, process for their preparation and use thereof

摘要

The invention relates to reactive dyes of the formula (1) wherein D is the radical of a dye of the monoazo or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, each of R1 and R2 independently is hydrogen or an unsubstituted or substituted C1-C4alkyl radical, X1 is an unsubstituted or substituted aminofluoro-s-triazine radical, and X2 is a heterocyclic reactive radical which is attached direct to the radical D through the -N(R2) bridge member, excepting an unsubstituted or substituted aminofluoro-s-triazine. These dyes are particularly suitable for dyeing and printing cellulosic fibre material by the cold pad-batch method and give dyeings and prints of good fastness properties and high tinctorial strength.