Graft copolymer of acrylamide (AM) onto starch(ST) ST-g-AM was prepared with KMnO4 as initiator.The graft copolymer was hydrolyzated to give a new super water-absorbing resin.

• 以高锰酸钾为引发剂制备了玉米淀粉和丙烯酰胺的接枝共聚物,并将共聚物水解制得一种新型高吸水性树脂。