The free cation, which synthesized using acrylamide as parent, was self polymerization or copolymerization with other free cation to synthesize the high charge density cationic flocculant.

• 以丙烯酰胺为母体合成的阳离子单体,进行自聚或与其他阳离子单体共聚,合成高电荷密度阳离子絮凝剂。