A tercopolymer of acrylic acid (AA),acrylamide (AM) and soldium allylsulfonate(SAS)was prepared water as solvent and persulfate as initiator .the tercopolymer was characterized by IR,NMR,TG and DTA.

• 以水为溶剂，过硫酸盐为引发剂，合成了丙烯酸（AA）、丙烯酰胺（AM）和烯丙基磺酸钠（SAS）三无共聚物（AA-AM-SAS）。