Inclusion complexation and formation of polypseudorotaxanes between poly[(ethylene oxide)-ran-(propylene oxide)] and cyclodextrins

被引:57
作者
Li, J
Li, X
Toh, KC
Ni, XP
Zhou, ZH
Leong, KW
机构
[1] Inst Mat Res & Engn, Singapore 117602, Singapore
[2] Johns Hopkins Univ, Dept Biomed Engn, Baltimore, MD 21205 USA
关键词
D O I
10.1021/ma011129b
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
P(EO-r-PO) copolymers with PO units of 20 mol% were studied and shown to form inclusion complexes with α-CD and γ-CD to give polypseudorotaxanes in high yields. It was found that both polypseudorotaxanes are crystalline and assume a channel-type structure. The results contradict the conventional wisdom that α-CD would not be large enough to thread over a PO unit.
引用
收藏
页码:8829 / 8831
页数:3
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