摘要
铈盐－过硫酸盐复合引发淀粉与丙烯酰胺接枝共聚合产物研究王玉芹，杨巍，崔丹（黑龙江商学院石油系哈尔滨１５００７６）（黑龙江大学化学系哈尔滨１５００８０）关键词Ｃｅ^（４＋）－ＳＯ_２Ｏ_８^（２－）复合引发，Ｃｅ^（４＋）－Ｃｅ^（３＋）循环引发，淀粉与丙烯...
raft-copolymerization of acrylamide onto starch initiated by the Ce4+-binary system has been studied.It has been found that Ce3+ can be reoxidized to Ce4+ by in silo to achieve a Ce4+→ Ce3+→Ce 4+ rreaction cycle that leads to cyclic use of Ce4+ ions and thus significant decrease in the initial concentration of ceric[Ce4+]comparing to the use of ceric initiator alone.Grafting ratios of graft-copolymerization by the Ce4+ binary system have been compared with those seing ceric or persalfate initator respectively.Structures of the graftal copolymers have been determined,and their molecular weights have been calcu lated.
出处
《高分子学报》
SCIE
CAS
CSCD
北大核心
1996年第1期111-115,共5页
Acta Polymerica Sinica
关键词
淀粉
丙烯酰胺
接枝共聚
过硫酸盐
铈盐
Ce￣(4+)-S_2O_8￣(2-)binary initiator system,Ce￣(4+)→ Ce￣(3+)→Ce￣(4+),reaction cycle,acrylamide grafted onto starch,grafting ratio
