以过硫酸铵-亚硫酸氢钠氧化还原体系引发玉米淀粉与丙烯酸钠接枝共聚反应研究

Graft Polymerization of Acrylic Acid onto Maize Starch Initiated with Ammonium Persulfate-Sodium Bisufite Redox System

该文研究了以过硫酸铵 亚硫酸氢钠为引发剂的玉米淀粉与丙烯酸的接枝共聚反应,并对重要的反应条件进行了研究.结果表明,采用以过硫酸铵 亚硫酸氢钠为引发剂的产率、接枝率、接枝效率分别达到64.04%、73.82%、86.43%.该文还对该引发体系的反应机理进行了探讨.

In this paper, graft polymerization of acrylic acid onto maize starch using ammonium persulfate-sodium bisulfate as initiator is studied. The important reaction conditions of graft polymerization are investigated. The result shows that the yield, the graft yield and the graft efficiency are 64.04%, 73.82%, and 86.43%, respectively. The mechanism of initiation is also discussed.