Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13518
Title: Aggregation and complexation behavior of C60-containing polymers and functionalized C60
Authors: SONG TAO
Keywords: C60-containing polymers aggregation complexation micibility
Issue Date: 22-Aug-2003
Source: SONG TAO (2003-08-22). Aggregation and complexation behavior of C60-containing polymers and functionalized C60. ScholarBank@NUS Repository.
Abstract: In this research, the effects of C60 on the aggregation and complexation behavior of polymers were studied. <br><br>Single- and double-C60-end-capped linear poly(ethylene oxide)s and a two-arm C60-containing poly(ethylene oxide) were prepared. The presence of C60 causes the amphiphilic C60-containing PEOs to form large aggregates in solutions. Due to the aggregation of C60, double-C60-end-capped PEO material possesses good mechanical properties arising from a physical network-like structure. <br><br>Complexation between C60-end-capped linear or four-arm PEO and poly(acrylic acid) was studied. There is a competition between the hydrophobic effect and the steric effect originated from C60 on the complex formation of the PEO/poly(acrylic acid) in aqueous solution. <br><br>Some functionalized C60 derivatives with multiple carboxylic acid or/and sulfonic acid groups are able to form complexes with poly(vinylpyridine)s via ionic interactions. In addition, the miscibility of the blends of functionalized C60 derivatives with PEO and C60-end-capped PEOs was studied. <br><br><br>
URI: http://scholarbank.nus.edu.sg/handle/10635/13518
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