After treatment of cellulosic textiles dyed with fiber-reactive dyes

摘要

A process for dyeing or printing with a fibre-reactive dyestuff a substrate consisting of or comprising cellulosic fibres, which process comprises treating the dyed or printed substrate, at a temperature from 20° to 105° C. with an aqueous solution of a polymer containing carboxylic acid groups at least partially neutralized in salt form.