Graft copolymerizations of butyl acrylate(BA) onto starch(S) were carried out with ceric ammonium nitrate as initiator, and influence of starch pasting on graft reaction is tested.

• 以硝酸铈铵为引发剂将丙烯酸丁酯(BA)与淀粉(S)接枝共聚,考察了淀粉糊化对接枝反应的影响。结果表明:接枝特征参数(接枝率、接枝效率、接枝频率和支链的平均分子量)在淀粉糊化后都有所降低。