New aqueous dispersion of anionic/amphoteric acrylic copolymer useful in polymer and copolymer industry e.g. paper industries such as retention agent/draining agent, drinkable water/waste water treatment, mining and refining industry

摘要

Aqueous dispersion (I) of anionic/amphoteric acrylic copolymer (A) (prepared in a salt solution in the presence of a stabilizing polymer (B), where (A) and/or (B) carrying cationic charges) is new.