The water-soluble tripolymer of maleic anhydride(MA), sodium allylsufonate(SAS)and acrylamide(AM) was prepared with water as solvent and persulfate as initiator.

用水作、硫酸盐为引发,以马来酸酐(MA)、丙基磺酸钠(SAS)和丙酰胺(AM)为单,液聚合制备了水性高分子MA-SAS-AM。