| abstract |
Water-soluble copolymers, which have a statistical distributionn n n 1-86% by weight of residues of the formula 1 9-80 wt .-% residues of formula II 5-90 wt .-% residues of formula III and optionally 0 to a total of 30% by weight of radicals of the formulas IV, V and / or VI included, wherein the symbols R 1 to R 5 , Y and X have the meanings given in claim 1, the preparation of these copolymers and their reaction with polyvalent metal cations and their use as auxiliaries in textile dyeing and as retanning agents. |