Preparation and aggregation of polypseudorotaxane from dendronized poly(methacrylate)-poly(ethylene oxide) diblock copolymer and α-cyclodextrin

被引:23
|
作者
Cheng, CX [1 ]
Tang, RP [1 ]
Xi, F [1 ]
机构
[1] Chinese Acad Sci, Inst Chem, Joint Lab Polymer Sci & Mat, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
关键词
aggregates; cyclodextrin; dendrimers; inclusion chemistry;
D O I
10.1002/marc.200400655
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Dendronized poly(methacrylate)-poly(ethylene oxide) (PDMA(58)-b-PEO45) formed as a stoichiometric inclusion complex with a-cyclodextrin. The incorporation of the rodlike PDMA blocks produced no apparent change in the crystal structure, but its steric hindrance on the PEO chain resulted in lower yield as compared with the pure PEO. Moreover, the architectural transition from rod-coil to rod-rod led to a morphological change from spindly aggregates to rods in a binary solvent mixture of N,N-dimethylformamide and water.
引用
收藏
页码:744 / 749
页数:6
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