AIBN/NaNO_2/FeSO_4.7H_2O存在下苯乙烯本体活性自由基聚合  

STUDIED ON LIVING POLYMERIZATION OF STYRENE IN THE PRESENCE OF AIBN/NaNO_2/FeSO_4·7H_2O

作　　者：颜明发[1] 李万利[1] 黄剑莹[1] 林明华[1] 林强[1] 邹友思[1] 

机构地区：[1]厦门大学材料科学系,福建厦门361005

出　　处：《高分子材料科学与工程》2005年第1期80-83,共4页Polymer Materials Science & Engineering

摘　　要：研究了AIBN/NaNO2/FeSO4.7H2O存在下苯乙烯本体聚合行为,发现100℃以上时具有活性聚合特征,AIBN/NaNO2/FeSO4.7H2O配比为1/3/3时分子量多分散性指数控制较好,聚合物分子量多分散性指数在1.1～1.8之间,聚合过程转化率和分子量随时间的增加而增大。Polymerization of styrene was studied in the presence of AIBN/NaNO_2/FeSO_4·7H_2O in this paper. It is found that polymertzation of styrene is living when temperature is higher than 100 ℃, and when the molar ratio of AIBN/NaNO_2/FeSO_4·7H_2O is 1/3/3, the molecular weight polydispersities are narrower, which is between (1.1) and (1.8). With the increasing of time, the conversion of monomer and the molecular weight of polymer also increase.

关 键 词：活性自由基聚合 亚硝酸钠 稳定自由基 

分 类 号：TQ316.322[化学工程—高聚物工业]