Water soluble terpolymers based on (1) an acrylamide or acrylamide derivative, (2) a cationic vinyl monomer and (3) a hydrophilic vinyl monomer of the formula CH2C(R)C(O)O(CH2(CH2)mO)nE where R and E are each hydrogen or alkyl, m is an integer from 1 to 3 and n is an integer from 1 to 25 are useful flocculants.
水溶性三元共聚物基于 (1)
丙烯酸酰胺或
丙烯酰胺衍
生物,(2) 阳离子
乙烯基单体和 (3) 式 C(R)C(O)O(
CH2( )mO)nE 的亲
水性
乙烯基单体,其中 R 和 E 分别为氢或烷基,m 为 1 至 3 的整数,n 为 1 至 25 的整数,是有用的絮凝剂。