The cationic type flocculant DDAC/AM with high solid content and high molecular weight was synthesized by using inverse emulsion polymerization method.

• 采用反相乳液聚合法合成高固含量、高分子质量聚二甲基二烯丙基氯化铵（DDAC）／丙烯酰胺（AM）阳离子型絮凝剂。