FORMATION OF RESIST STYLE EFFECT ON POLYESTER FIBER MATERIAL AND POLYESTER- CELLULOSE BLENDED FIBER MATERIAL

摘要

In a process known per se for the preparation of white patterns or patterns of various colors on a colored substrate on textile materials comprising hydrophobic synthetic fibres or on textile materials based on mixed fibres composed of polyester and cellulose comprising discharge printing wherein a discharge reserving agent based on an alkali or on sulphites, the improvement which comprises employing as the dischargeable disperse dyestuffs having the formula I IMAGE (I) in which R and K have the meanings given in claim 1.