method of producing performance of metal free, azogruppenhaltiger dyes

摘要

Hydroxyl group-containing fibrous materials, especially textile materials of natural or regenerated cellulose are dyed by applying thereto in any order, a dye of formula FORM:0995796/D1-D2/1 wherein F is the radical of an organic dyestuff or the radical of a coupling component when W is an azo bridge member, A is a 5- or 6-membered carbocyclic or heterocyclic ring, W is a bridge member, X is a hydrogen or halogen atom or a cyano, nitro, alkyl, alkoxy or alkylsulphonyl radical, Y is a hydrogen, chlorine or bromine atom or an alkoxy, sulphophenylamino or -S-CH2-COOM group M being a hydrogen or alkali metal atom, m is 1 or 2 and n is 1 or 2 and an alkaline agent or an agent which splits off alkali and if desired heating the material which is so treated. In examples both dyeing and printing of cellulose materials using the customary methods and reactants for reactive dyes are described. Specifications 995,792, 995,793, 995,794, 995,795 also are referred to.