分散聚合法制备单分散聚丙烯酰胺微球——反应动力学、分子量研究  

Preparation of monodisperse polyacrylamide sphere by dispersion polymerization——Study on conversion and molecular

作　　者：曹康丽[1] 史铁钧[1] 曹金燕[1] 周丹红[1] 李海芹[1] 

机构地区：[1]合肥工业大学化工学院,安徽合肥230009

出　　处：《化工科技市场》2006年第11期38-40,45,共4页Chemical Technology Market

摘　　要：本文采用聚乙烯基吡咯烷酮(PVP)为分散剂,偶氮二异丁腈(AIBN)为引发剂,在乙酸乙酯/乙醇(Eth-yl acetate/Ethanol)的混合溶液中通过分散聚合法合成了单分散亚微米级的聚丙烯酰胺(PAM)微球,研究反应时间、混合溶液比例、分散剂浓度、初始单体浓度和引发剂浓度对聚合物分子量、聚合反应动力学的影响。Monodisperse polyacrylamide （PAM） sphere was prepared in ethyl acetate/ethanol media using PVP as the stabilizer and AIBN as the initiator by dispersion polymerization. The influence of the polymeric molecular and conversion by reaction time,the solvent composition,the Concentrations of the stabilizer and monomer and initiator were studied.

关 键 词：分散聚合 聚丙烯酰胺 转化率 分子量 

分 类 号：O633.22[理学—高分子化学]