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嵌段聚合物PGMA-b-PDEAEMA_x的合成及其CO_2诱导解组装行为 被引量:4

Synthesis and CO_2-induced Disassembly of Diblock Copolymers PGMA-b-PDEAEMA_x
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摘要 以甲基丙烯酸二乙基氨基乙酯为疏水段,聚甲基丙烯酸甘油酯为亲水段,采用可逆加成-断裂转移聚合合成了具有不同嵌段比例的甲基丙烯酸甘油酯-b-甲基丙烯酸二乙氨基乙酯二嵌段聚合物(PGMA-b-PDEAEMAx),其结构经1H NMR和GPC表征。聚合物通过自组装形成球形胶束、线性胶束聚集体和囊泡结构;向聚合物溶液中通入CO2后,其自组装解体。 A series of diblock copolymers with different block ratio,poly( glycerol monomethacrylate)-b-poly( N,N-diethylaminoethyl methacrylate)( PGMA-b-PDEAEMAx),were synthesized via reversible addition fragmentation chain transfer( RAFT) polymerization of DEAEMA and GMA. The structures were characterized by^1 H NMR and GPC. The polymer assembled to spherical micelles,micelle aggregates and vesicles via self-assemble mode. The structures disassembled upon the stimulation of CO2.
出处 《合成化学》 CAS CSCD 北大核心 2014年第6期734-738,共5页 Chinese Journal of Synthetic Chemistry
基金 国家自然科学基金资助项目(21273223 21173207)
关键词 RAFT聚合 PGMA-b-PDEAEMA嵌段聚合物 CO2响应 解组装 RAFT polymerization PGMA-b-PDEAEMA block copolymer CO2-stimuli disassemble
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