(PANI)_(98)-(PEG)_(136)-(PANI)_(98)三嵌段共聚物的自组装  

Self-Assembly of(PANI)_(98)-(PEG)_(136)-(PANI)_(98) Triblock Copolymers

作　　者：毛联波[1] 杨应奎[1] 周兴平[1] 解孝林[1] 曾繁涤[1] 

机构地区：[1]华中科技大学化学系,湖北武汉430074

出　　处：《高分子材料科学与工程》2007年第1期128-132,共5页Polymer Materials Science & Engineering

基　　金：国家自然科学基金项目资助(20474021)

摘　　要：采用化学氧化法合成了(PAN I)98-(PEG)136-(PAN I)98三嵌段共聚物,使用激光光散射研究了它在选择性溶剂中的聚集行为,并用扫描电镜观察了嵌段共聚物在选择性溶剂中的自组装行为。结果表明在DM F溶剂中,732个(PAN I)98-(PEG)136-(PAN I)98三嵌段共聚物形成了结构稳定的球形胶束。在不同的选择性溶剂中,(PAN I)98-(PEG)136-(PAN I)98三嵌段共聚物能形成球形、棒状、囊泡、花瓣状等不同的自组装结构。The （PANI）98-（PEG）136-（PANI）98 triblock copolymer was synthesized by ehemical oxidation. Its molecular weight, aggregating and self-assembling behaviors in different solvents were investigated by TGA, laser light scattering and scanning electron microscope （SEM）, respectively. The results show that the aggregate contains about 732 （PANI）98-（PEG）136-（PANI）98 tri-block copolymers in DMF. In different selective solvents, （PANI）98-（PEG）136- （PANI）98 triblock eopolymer can form some novel self-assembly stuctures such as spherical, rods, vesicles and flowers.

关 键 词：聚苯胺 聚乙二醇 嵌段共聚物 自组装 

分 类 号：TQ316.344[化学工程—高聚物工业]