The hydrophobically associating cationic starch(St-OA-AM-DMDAAC) is prepared by inverse suspension polymerization with redox initator.

• 采用氧化还原引发体系,通过反相悬浮聚合技术,进行四元St-OA-AM-DMDAAC聚合,合成疏水缔合阳离子淀粉;