相关链接
联系方式
  • 通信地址:上海市邯郸路220号
  • 邮编:200433
  • 电话:021-55665280
  • 传真:021-65640293
  • Email:hujh@fudan.edu.cn
当前位置:> 首页 > 论文著作 > 正文
[Macromolecules] PMHDO-g-PEG Double-Bond-Based Amphiphilic Graft Copolymer: Synthesis and Diverse Self-Assembled Nanostructures

 

Macromolecules 2009, 42, 4249–4256

ABSTRACT: Self-assembly behavior of a double-bond-based amphiphilic graft copolymer consisting of hydrophobic polyallene backbone and hydrophilic poly(ethylene glycol) side chains in tetrahydrofuran (THF)/water was investigated. Polyallene backbone was first prepared via living coordination polymerization of 6-methyl-1,2-heptadien- 4-ol (MHDO) initiated by [(η3-allyl)NiOCOCF3]2. The targeted amphiphilic graft copolymer with relative narrow molecular weight distribution (Mw/Mn=1.22) was synthesized by the coupling reaction between the pendant hydroxyls of the backbone and acyl chloride end group of poly (ethylene glycol) via the grafting-onto approach. The critical micelle concentration (cmc) was determined by the fluorescence probe technique. Micelle morphologies could be well tuned by water content, initial copolymer content, and ion strength. In particular, this kind of achiral copolymer could aggregate to form chiral helical nanostructures under given conditions.