To improve the dyeing efficiency and the solidity dyes obtained on the cellulosic fibrous materials with anionic dyes, compounds cationic reactants screw - to - screw of the fiber and their preparation

摘要

P process for improving the dyeing efficiency and the fastness to wet the dyes from cellulosic fibrous materials with anionic dyes. / p & & p & the cellulosic material is treated before, during or after dyeing, with a cationic compound reactive - to - screw of the fiber of the formula: / p