Publications [#62149] of Kam W. Leong

Papers Published

1. Li, Jun and Li, Xu and Toh, Kee Chua and Ni, Xiping and Zhou, Zhihan and Leong, Kam W., Inclusion complexation and formation of polypseudorotaxanes between poly[(ethylene oxide)-ran-(propylene oxide)] and cyclodextrins, Macromolecules, vol. 34 no. 26 (2001), pp. 8829 - 8831 [ma011129b]
   (last updated on 2007/04/13)

   Abstract:
   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.

   Keywords:
   Complexation;Inclusions;Molecular weight;Temperature;Solubility;Composition;Solutions;Filtration;Centrifugation;Water;X ray diffraction analysis;