广州化学2011，Vol.36Issue(4)：10-16,7.
自组装效应对AM／NVP共聚的影响
Self-assembly Effects on the Radical Copolymerization of Acrylamide with N-vinyl Pyrrolidone
摘要
Abstract
The radical copolymerization of acrylamide （AM） with N-vinyl pyrrolidone （NVP） in the mixture of water and tetrahydrofuran （THF） of various compositions is investigated. The rate of AM polymerization sharply decreases, while the rate of NVP significantly increases when THF is added to water solution. The viscosity of copolymer attains optimal value when the molar ratio of AM and NVP is 5 to 1 at the mass concentration 28% of THF, which is correspondence with the optimal reaction rate of NVP in the same system. On one hand, the addition of sodium chloride is accompanied by an increase on polymerization rate of AM in the condition of little THF. On the other hand, in the presence of urea, the polymerization rate of NVP increases and the maximum moves towards smaller contents of THF. The structure of the copolymer has been characterized by transmission electron microscopy and nuclear magnetic resonance. The obtained results demonstrated that the self-assembly of polymer chains forming micelle-type micro-aggregates consisting of the core and shell plays a crucial role on the polymerization rate of AM and NVP in the mixed reaction system.关键词
自由基共聚/自组装效应/“核-壳”状微聚体/聚合速率Key words
radical copolymerization/self-assembly/micro-aggregate/polymerization rate分类
化学化工引用本文复制引用
刘锐,蒲万芬,金发扬,彭琴,于小荣,姚锋盛..自组装效应对AM／NVP共聚的影响[J].广州化学,2011,36(4):10-16,7.基金项目
国家科技重大专项“碳酸盐岩缝洞型油气藏高效开发技术应用”资助项目（20082X05049-05-03）. （）
