以2-溴代丙酸乙酯为引发剂,溴化亚铜为催化剂,2,2'-联吡啶为配体,采用溶液聚合体系,实现了甲基丙烯酸缩水甘油酯(GMA)的原子转移自由基聚合(ATRP),制得了窄分子量分布的均聚物PG-MA;用FT-IR、1H-NMR、GPC等手段对活性聚合进行了确认,对PGMA进行了表征;考察了溶剂极性与单体/引发剂配比对可控聚合的影响;并进行了动力学研究,测定了GMA原子转移自由基聚合的表观活化能.研究表明,溶剂极性对GMA的ATRP可控聚合有较大的影响;单体/引发剂配比对聚合速率也有明显的影响;实验测得GMA的ATRP可控聚合的表现活化能为61.4 kJ/mol.
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