Procedure for the optical rinsing of fibrous material of acrylonitril, polymer or copolymer. (Machine-translation by Google Translate, not legally binding)

摘要

Process for the optical rinsing of fibrous material of acrylonitrile polymer or copolymer, characterized in that the material is treated with an aqueous solution, which contains a compound of the formula I ** (See formula) ** in which R 'and R "each mean a lower alkyl group with at most 5 carbon atoms, R1 and R2 each mean a lower, unsubstituted or non-ionogeno substituted, unbranched alkyl group with not more than 5 carbon atoms, And it means hydrogen or chlorine, and X means a colorless anion. (Machine-translation by Google Translate, not legally binding)