Coloration process

摘要

Process for the coloration of aromatic polyester or cellulose triacetate textile materials which comprises applying to the said textile material by an aqueous dyeing, padding or printing process a disperse dyestuff which contains at least two carboxylic acid ester groups and subsequently giving the colored textile material a treatment in an aqueous solution of an alkali having a pH above 8 and at a temperature between 50 DEG and 85 DEG C, whereby the textile materials are colored in a wide variety of shades possessing very good to excellent fastness properties.