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规整链球型含C60聚苯乙烯的亲水化修饰及其在水中的自组装
HYDROPHILIC MODIFICATION OF WELL-DEFINED HAMMER-SHAPED C60-PS AND THE SELF-ASSEMBLY BEHAVIOR THEREFROM
【Abstract】 To achieve well defined amphiphilic C 60 containing macromolecules,C 60 conjugated polystyrene(C 60 PS)was first synthesized via tandem atom transfer radical polymerization(ATRP).With the help of tetrabutylammonium bromide(TBAB),taurine(2 aminoethanesulfonic acid) can be carried from water phase into the phenyl chloride phase and then react with C 60 PS.The final product——taurine modified C 60 conjugated polystyrene—is a novel type of highly asymmetric amphiphilic diblock copolymers,which can form spherical crew cut type micelles by adding water in small amounts into its tetrahydrofuran solution.UV vis spectroscopy and trasmission electronic microscopy have been employed to monitor the aggregating process of these spherical micelles and observe their final morphology respectively.
【Key words】 Hammer shaped C 60 conjugated polymer; Hydrophilic modification; Self assembly; Micelle; Transmission electronic microscope;
- 【文献出处】 高分子学报 ,Acta Polymerica Sinica , 编辑部邮箱 ,2002年04期
- 【分类号】O632
- 【下载频次】85