水相悬浮聚合法合成较高分子量聚丙烯腈  

HIGHER MOLECULAR POLYACRYLONITRILE PREPARED BY SUSPENSION POLYMERIZATION IN AQUEOUS MEDIUM

作　　者：陈厚[1] 张旺玺[1] 王成国[1] 蔡华[1] 

机构地区：[1]山东大学材料学院,山东济南250061

出　　处：《高分子材料科学与工程》2003年第2期79-82,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目 ( 5 97830 0 2)

摘　　要：采用水相悬浮聚合法 ,合成较高分子量聚丙烯腈 ( PAN) ;讨论了不同条件对聚合反应及其产物的影响 ,并对样品结构和性能进行 DSC、GPC、IR分析和表征。结果表明 ,此方法可得到 Mw=2 .7× 10 5～8.9× 10 5,D=2 .71,三单元等规立构分数 X=0 .35 1的 PAN。Higher molecular polyacrylonitrile(PAN) wa s prepared by the method of suspension polymerization in aqueous medium. The eff ects of different polymerization condition on polymerization were studied. The s tructure and properties of PAN samples were characterized via DSC, GPC, IR. It s hows that [AKM-] w of samples can reach 89×104, the distribution value o f relative molecular weight is as little as 2.71, the fraction value of ster eospecific sequence can reach 0.351.

关 键 词：水相悬浮聚合法 合成 较高分子量 聚丙烯腈 PAN 

分 类 号：TQ325.8[化学工程—合成树脂塑料工业]