Fibre Reactive Bisazo Reactive Colorants Mixtures Of Reactive Colorants Production And Use Thereof

Abstract: Bisazo dyes based on derivatives of N substituted 2 amino 5 naphthol 7 sulfonic acid of formula (1) wherein R is a radical of the formula W Q wherein W is C C Alkylene which can be substituted by hydroxyl group D and D are independently of each other a benzene or naphthyl radical which are 10 substituted by fibre reactive groups containing at least one fibre reactive group in both D and D wherein the fibre reactive groups are independent from each other of the vinylsulfone type of a heterocyclic type in particular of the halogenpyrimidinyl or halogentriazinyl reactive group or of the acrylamide type which is substituted by halogen which can be applied as single dye or as mixture or in combination with other compatible 1 dyestuffs for dyeing a wide variety of fibre materials selected from cellulose polyamide or protein fibres and yield dyeings having good allround properties such as excellent washing fatness low contact staining.

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