A copolymer called MA AMPS AA POCA was prepared from MA(maleic anhydride),APMS(2 acrylamido 2 methylpropane sulfonic acid),and AA(Acrylic acid)in Water phase by using peroxide hypophos phite as initiator.

• 以水为溶剂,采用过氧化物-次磷酸盐为引发体系,用马来酸酐(MA),2-丙烯酰胺-2-甲基丙磺酸(AMPS),丙烯酸(AA)为单体在水相中合成了MA-AMPS-AA-POCA共聚物。