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Analysis of dipolar relaxation in polyurethane/polyaniline blend

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dc.contributor.authorMalmonge, J. A.
dc.contributor.authorDos Santos, M. A.
dc.contributor.authorSakamoto, W. K.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:37Z
dc.date.available2014-05-20T13:29:37Z
dc.date.issued2005-09-01
dc.description.abstractThin films of blend made up of castor oil-based polyurethane (PU) and polyaniline (PANI) were obtained by casting. The molecular mobility was studied using dielectric spectroscopy and thermally stimulated depolarization current (TSDC) for blends with two different compositions (90/10, 80/20) and the results were compared with PU pure. The peak located around -60 degrees C in TSDC thermograms of PU/PANI blend has dipolar behavior and might be attributed to the change in the molecular chain due to the interaction between isocyanate and the solvent. Vogel-Fulcher Tammann fits was performed on the observed relaxation and the result shows a alpha-relaxation-like. (c) 2005 Springer Science + Business Media, Inc.en
dc.description.affiliationUniv Estadual Paulista, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
dc.format.extent4557-4560
dc.identifierhttp://dx.doi.org/10.1007/s10853-005-1117-6
dc.identifier.citationJournal of Materials Science. Dordrecht: Springer, v. 40, n. 17, p. 4557-4560, 2005.
dc.identifier.doi10.1007/s10853-005-1117-6
dc.identifier.issn0022-2461
dc.identifier.lattes0896348165708140
dc.identifier.urihttp://hdl.handle.net/11449/10027
dc.identifier.wosWOS:000231955200017
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofJournal of Materials Science
dc.relation.ispartofjcr2.993
dc.relation.ispartofsjr0,807
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleAnalysis of dipolar relaxation in polyurethane/polyaniline blenden
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
dspace.entity.typePublication
unesp.author.lattes0896348165708140
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Ilha Solteirapt
unesp.departmentFísica e Química - FEISpt

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Ilha Solteira - FEIS - Faculdade de Engenharia