Evolution of thermal properties of natural rubber nanocomposites functionalized by nickel–zinc ferrite and potassium strontium niobate nanopowders

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dc.contributor.authorBellucci, Felipe Silva [UNESP]
dc.contributor.authorAlmeida, Fabricio César Lobatode [UNESP]
dc.contributor.authorda Silva Agostini, Deuber Lincon [UNESP]
dc.contributor.authorNobre, Marcos Augusto Lima [UNESP]
dc.contributor.authorPaschoalini, Amarildo Tabone [UNESP]
dc.contributor.authorJob, Aldo Eloizo [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionTecnologia e Inovação—MCTI
dc.date.accessioned2018-12-11T17:28:42Z
dc.date.available2018-12-11T17:28:42Z
dc.date.issued2016-12-01
dc.description.abstractSeveral composites and nanocomposites based on a polymeric matrix and ceramic fillers are being pursued for use as multifunctional and innovative materials. Nevertheless, there is a series of challenges to be solved in this area such as the understanding of the role of interfaces and the synergy between matrix and fillers. In this work, vulcanized natural rubber nanocomposites were prepared with different concentrations of two kinds of ceramic nanoparticles, potassium strontium niobate (KSr2Nb5O15 or KSN) and nickel–zinc ferrite (Ni0.5Zn0.5Fe2O4 or NZF), synthesized by a chemical method known as the modified polyol method. Morphological and thermal characterizations were carried out by AFM, TG/DTG, TG/FTIR and DSC. The thermal properties of nanocomposites were compared and discussed as functions of concentration, type and surface of nanoparticles. The results obtained suggest that the base concentration for both types of nanoparticles inside the polymer matrix volume greatly adds to the increase in thermal stability up to 11 % and the glass transition temperature up to 10 °C. A similar evolution for the glass transition temperature (Tg), thermal stability temperature (TS) and dielectric permittivity (ε′) was identified, suggesting that these phenomena are mainly dominated by the same mechanisms. These results point to the possibility for the thermal parameter modulation in magnetic and ferroelectric nanocomposites by means of a suitable control of concentration and properties of the KSN and NZF nanoparticles.en
dc.description.affiliationFEIS—Faculdade de Engenharia de Ilha Solteira UNESP—Univ Estadual Paulista
dc.description.affiliationMinistério da Ciência Tecnologia e Inovação—MCTI
dc.description.affiliationDepartment of Biosystem Engineering UNESP—Univ Estadual Paulista
dc.description.affiliationFCT—Faculdade de Ciências e Tecnologia UNESP—Univ Estadual Paulista
dc.description.affiliationUnespFEIS—Faculdade de Engenharia de Ilha Solteira UNESP—Univ Estadual Paulista
dc.description.affiliationUnespDepartment of Biosystem Engineering UNESP—Univ Estadual Paulista
dc.description.affiliationUnespFCT—Faculdade de Ciências e Tecnologia UNESP—Univ Estadual Paulista
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 2009/00523-8
dc.description.sponsorshipIdCNPq: 454843/2014-3
dc.description.sponsorshipIdCNPq: 455323/2014-3
dc.description.sponsorshipIdCNPq: 480377/2013-8
dc.format.extent1397-1406
dc.identifierhttp://dx.doi.org/10.1007/s10973-016-5602-8
dc.identifier.citationJournal of Thermal Analysis and Calorimetry, v. 126, n. 3, p. 1397-1406, 2016.
dc.identifier.doi10.1007/s10973-016-5602-8
dc.identifier.file2-s2.0-84975308015.pdf
dc.identifier.issn1588-2926
dc.identifier.issn1388-6150
dc.identifier.lattes7201928600704530
dc.identifier.scopus2-s2.0-84975308015
dc.identifier.urihttp://hdl.handle.net/11449/178087
dc.language.isoeng
dc.relation.ispartofJournal of Thermal Analysis and Calorimetry
dc.relation.ispartofsjr0,587
dc.relation.ispartofsjr0,587
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectFunctionalized nanocomposites
dc.subjectGlass transition temperature
dc.subjectNickel–zinc ferrite
dc.subjectPotassium strontium niobate
dc.subjectThermal properties
dc.subjectThermal stability
dc.titleEvolution of thermal properties of natural rubber nanocomposites functionalized by nickel–zinc ferrite and potassium strontium niobate nanopowdersen
dc.typeArtigo
unesp.author.lattes6475585105456744[6]
unesp.author.lattes8272223904033177[5]
unesp.author.lattes7201928600704530
unesp.author.orcid0000-0002-1979-8257[6]
unesp.author.orcid0000-0003-1887-2678[5]

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Artigos - Engenharia Mecânica - FEIS
Artigos - Física, Química e Biologia - FCT