The results show that a small amout of VAc added into queous solution,which treated by cation resin,can make Am polymerize into cross-linking PAm.

• 实验证明在丙烯酰胺水溶液混入少量醋酸乙烯酯,该水溶液经阳离子交换树脂处理后,可聚合生成交联型丙烯酰胺胶体。