Please use this identifier to cite or link to this item: https://doi.org/10.1021/ma011566q
Title: Inclusion complexes of single-C60-end-capped poly(ethylene oxide) with cyclodextrins
Authors: Hua, J.
Goh, S.H. 
Valiyaveettil, S. 
Issue Date: 12-Feb-2002
Source: Hua, J., Goh, S.H., Valiyaveettil, S. (2002-02-12). Inclusion complexes of single-C60-end-capped poly(ethylene oxide) with cyclodextrins. Macromolecules 35 (4) : 1399-1402. ScholarBank@NUS Repository. https://doi.org/10.1021/ma011566q
Abstract: Single-C60-end-capped poly(ethylene oxide) (FPEO) forms a stoichiometric inclusion complex with α-cyclodextrin in high yield. The complex was characterized by XRD, 13C CP/MAS NMR, 1H NMR, DSC, and TGA. The incorporation of C60 results in no apparent change in the crystal structure. No complex forms between FPEO and β-cyclodextrin. γ-Cyclodextrin (γ-CD) and FPEO form a thermoreversible gel in aqueous solution instead of a stoichiometric crystalline complex, whereas uncapped polymers form crystalline inclusion complexes with γ-CD in high yields. Interestingly, in a γ-CD/FPEO/PEO aqueous solution, two PEO chains are able to "recognize" each other and thread through the γ-CD cavity to form a γ-CD/PEO inclusion complex.
Source Title: Macromolecules
URI: http://scholarbank.nus.edu.sg/handle/10635/94033
ISSN: 00249297
DOI: 10.1021/ma011566q
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