Synthesis of Poly (tert-butyl methacrylate) Macromoer with One Vinyl End Group Per Polymer Chain

摘要：

Poly (tert-butyl methacrylate) (PtBMA) macromonomer with one vinyl end group per polymer chain was synthesized by chain transfer free radical polymerization in the presence of 2-mercaptethanol as chain transfer agent and end capping reaction with p- chloromethyl styrene. In the chain transfer free radical polymerization, the molecular weight (3000~ 8000) of PtBMA oligomer was well-controlled by the feed amount of 2-mercaptethanol. In the end capping reaction, tetra-n-tutylphosphonium bromide (TBPB) was used as phase catalyzer and potassium hydroxide (50％) as the absorbent of HC1. The introducing probability of the vinyl end group measured by NMR was dependent on the p-chloromethyl styrene amount and TBPB amount used. The molecular weight and chemical structure of the macromonomer was characterized by gel permeation chromatography with light scattering detector (GPC- LS), NMR, respectively.

关键词： poly (tert-butyl methacrylate) chain transfer free radical polymerization end capping reaction p-chloromethyl styrene.

作者: JIANG Xiaofeng ZHAO Huipeng ZHANG Li LI Lan LIU Xiaoyun ZHA Liusheng

作者单位: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Research Center for Analysis and Measurement, Donghua University, Shanghai 201620, P. R. China Research Center for Analysis and Measurement, Donghua University. Shanghai 201620, P. R. China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University,

会议类型: 国际会议

会议名称: 2007年先进纤维与聚合物国际会议

会议地点: 上海

会议语种:英文

页码: 157-159

在线出版日期: 2007-10-15（万方平台首次上网日期，不代表论文的发表时间）