| abstract |
The present invention relates to a copolymer salt II comprising at least one comb copolymer I containing a block composed of special structural units, and optionally substituted styrene units and maleic anhydride units. Wherein the carboxyl group of the copolymer salt II is at least partly present as an alkali metal salt, alkaline earth metal salt or ammonium salt. The invention also relates to the use of these polymer mixtures as wetting and dispersing agents. |