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dc.contributor.authorKuo, SWen_US
dc.contributor.authorXu, HYen_US
dc.contributor.authorHuang, CFen_US
dc.contributor.authorChang, FCen_US
dc.date.accessioned2014-12-08T15:41:52Z-
dc.date.available2014-12-08T15:41:52Z-
dc.date.issued2002-10-01en_US
dc.identifier.issn0887-6266en_US
dc.identifier.urihttp://dx.doi.org/10.1002/polb.10292en_US
dc.identifier.urihttp://hdl.handle.net/11536/28478-
dc.description.abstractThe role of hydrogen bonding in promoting intermolecular cohesion and higher glass-transition temperatures of polymer is a subject of longstanding interest. A series of poly(vinylphenol-co-vinylpyrrolidone) copolymers were prepared by the free-radical copolymerization of acetoxystyrene and vinylpyrrolidone; this was followed by the selective removal of the acetyl protective group, with corresponding and significant glass-transition-temperature increases after this procedure. The incorporation of acetoxystyrene into poly(vinylpyrrolidone) resulted in lower glass-transition temperatures because of the reduced dipole interactions in its homopolymers. However, the deacetylation of acetoxystyrene to transform the poly(vinylphenol-co-vinylpyrrolidone) copolymer enhanced the higher glass-transition temperature because of the strong hydrogen bonding in the copolymer chain. The thermal properties and hydrogen bonding of these two copolymers were investigated with differential scanning calorimetry and Fourier transform infrared spectroscopy, and good correlations between the thermal behaviors and IR results were observed. (C) 2002 Wiley Periodicals, Inc.en_US
dc.language.isoen_USen_US
dc.subjectglass transitionen_US
dc.subjecthydrogen bondingen_US
dc.subjectcopolymerizationen_US
dc.subjectassociationen_US
dc.titleSignificant glass-transition-temperature increase through hydrogen-bonded copolymersen_US
dc.typeArticleen_US
dc.identifier.doi10.1002/polb.10292en_US
dc.identifier.journalJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICSen_US
dc.citation.volume40en_US
dc.citation.issue19en_US
dc.citation.spage2313en_US
dc.citation.epage2323en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:000177989000017-
dc.citation.woscount21-
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