含聚氧乙烯支链阳离子聚丙烯酰胺微粒的合成  

Synthesis of the PEO-Grafted Cationic Polyacryamide Microparticles

作　　者：彭晓宏[1] 盘思伟[1] 佘娜[1] 沈家瑞[1] 

机构地区：[1]华南理工大学高分子科学与工程系,广东广州510640

出　　处：《华南理工大学学报（自然科学版）》2002年第8期7-9,15,共4页Journal of South China University of Technology(Natural Science Edition)

基　　金：广东省自然科学基金资助项目 (980 5 0 6 )

摘　　要：采用反相微乳液共聚合法合成了粒径 4 0～ 90nm、多分散系数 0 .5 6～ 0 .6 5的含聚氧乙烯支链交联阳离子聚丙烯酰胺纳米微粒 .透射电子显微镜观测表明该微粒具有球状结构 .FTIR谱和13 CNMR谱的测试结果证明所合成的微粒是由丙烯酰胺、聚氧乙烯大单体、丙烯酰氧基乙基三甲基氯化铵和N ,N′ 亚甲基双丙烯酰胺 4种链节所组成 。The PEO-grafted, cross-linked, cationic polyacryamide nano-microparticles were synthesized by inverse microemulsion copolymerization, with particle size 40～90 nm and distribution index 0.56～0.65. The ball-like structure of microparticles was clearly observed and determined by TEM. By means of measurement of FTIR and 13CNMR, it demonstrated that the synthesized microparticle is composed of chain units of acrylamide, PEO-macromonomer, acryloyloxyethyl trimethylammonium chloride, N,N′-methylenebis-acrylamide, and the proportion of chain units coincided with that of feed ratio.

关 键 词：聚氧乙烯大单体 丙烯酰氧基乙基三甲基氯化铵 反相微乳液聚合 交联 聚丙烯酰胺 微粒 

分 类 号：O631[理学—高分子化学]