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Photoinduced orientation in natural rubber

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dc.contributor.authorde Souza, Nara C.
dc.contributor.authorCavalheri, Adriana S. [UNESP]
dc.contributor.authorBrito, Jackeline B.
dc.contributor.authorJob, Aldo Eloizo [UNESP]
dc.contributor.authorOliveira, Osvaldo N.
dc.contributor.authorGiacometti, Jose A. [UNESP]
dc.contributor.authorSilva, Josmary R.
dc.contributor.institutionUniv Fed Mato Grosso
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:23:01Z
dc.date.available2014-05-20T13:23:01Z
dc.date.issued2012-04-02
dc.description.abstractAzobenzene molecules and their derivatives have been widely investigated for their potential applications in optical and electrooptical devices. We have prepared a new guest-host system from natural rubber (NR) impregnated with azobenzene derivative Sudan Red B (SRB). The effects of stretching and immersion time on photoinduced orientation were investigated by birefringence signal measurements. We have found that the molecular orientation increase when the samples are stretched and decrease with the increase of immersion time. The first behavior was explained by using the random coil model and the latter was attributed to increase of the aggregation of SRB into NR matrix. (C) 2012 Published by Elsevier B.V.en
dc.description.affiliationUniv Fed Mato Grosso, Grp Mat Nanoestruturados, Barra do Garcas, MG, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Fis Quim & Biol, Presidente Prudente, SP, Brazil
dc.description.affiliationUniv São Paulo, Inst Fis São Carlos, São Carlos, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Fis Quim & Biol, Presidente Prudente, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent110-113
dc.identifierhttp://dx.doi.org/10.1016/j.cplett.2012.01.070
dc.identifier.citationChemical Physics Letters. Amsterdam: Elsevier B.V., v. 531, p. 110-113, 2012.
dc.identifier.doi10.1016/j.cplett.2012.01.070
dc.identifier.issn0009-2614
dc.identifier.lattes6475585105456744
dc.identifier.urihttp://hdl.handle.net/11449/6865
dc.identifier.wosWOS:000301931800021
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofChemical Physics Letters
dc.relation.ispartofjcr1.686
dc.relation.ispartofsjr0,656
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titlePhotoinduced orientation in natural rubberen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes6475585105456744[4]
unesp.author.orcid0000-0003-2372-5509[6]
unesp.author.orcid0000-0001-8554-1663[1]
unesp.author.orcid0000-0002-5399-5860[5]
unesp.author.orcid0000-0002-1979-8257[4]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências e Tecnologia, Presidente Prudentept
unesp.departmentFísica, Química e Biologia - FCTpt

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Presidente Prudente - FCT - Faculdade de Ciências e Tecnologia