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开发出一种新型氧化还原引发体系 ,以丙烯酰胺和丙烯酸钠为单体 ,进行水溶液自由基共聚合反应 ,生成聚丙烯酰胺.研究了引发剂用量对聚丙烯酰胺分子量的影响.合成了分子量高达 1 8* 10 7,过滤比为 1 2 4的超高分子量聚丙烯酰胺.“,”The copolymerization of acrylamide-sodium acrylate initiated by a new combined redox system was studied by using such an initiation system in aqueous solution.The optimum copolymerization conditions were presented.Super-high molecule-weight(1 8×10 7) polyacrylamide with ratio of filter 1 24 was obtaine.