Structure and Physical Properties of EVA/Starch Precursor Materials for Foaming Applications

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dc.contributor.authorRodriguez-Perez, M. A.
dc.contributor.authorSimoes, R. D. [UNESP]
dc.contributor.authorConstantino, C. J. L. [UNESP]
dc.contributor.authorde Saja, J. A.
dc.contributor.institutionUniv Valladolid
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:23:06Z
dc.date.available2014-05-20T13:23:06Z
dc.date.issued2011-08-15
dc.description.abstractThe use of biodegradable materials to develop polymeric blends visioning distinct applications is desirable and nowadays is an important research field. In this work, blends of an ethylene-vinyl acetate copolymer (EVA) and 30, 50, and 70% in weight of an unmodified corn starch have been successfully fabricated. The structure of these blends have been characterized using scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and Fourier transform infrared spectroscopy (FTIR). It was found that the original starch particles are kept in the blends forming a separate phase from EVA. The FTIR confirmed that EVA and starch comprise a physical mixture in the blends. Besides, the blends were found very homogenous and mainly amorphous with the EVA melting temperature being independent of the starch content. The melt flow index (MFI) decreased for higher contents of starch, revealing that starch acts as a filler in the blends. Physical properties such as density, hardness, and thermal conductivity were found to increase with the content of starch in the blends. Considering one of the goals of this research, which is producing foams using these blends as precursor materials, the structural and physical characteristics determined here are very satisfactory and open good perspectives in this sense. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 2324-2330, 2011en
dc.description.affiliationUniv Valladolid, Cellular Mat Lab CellMat, Dept Condensed Matter Phys, Fac Sci, E-47011 Valladolid, Spain
dc.description.affiliationUnesp Univ Estadual Paulista, Fac Ciencias & Tecnol, BR-19060900 Presidente Prudente, SP, Brazil
dc.description.affiliationUnespUnesp Univ Estadual Paulista, Fac Ciencias & Tecnol, BR-19060900 Presidente Prudente, SP, Brazil
dc.description.sponsorshipJunta of Castile and Leon Excellence Group
dc.description.sponsorshipSpanish Ministry of Education and Science
dc.description.sponsorshipSpanish Plan for Improving the Economy and Employment (EPlan, Innocash)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundacion Carolina (Spain)
dc.description.sponsorshipMICINN (Spain)
dc.description.sponsorshipIdJunta of Castile and Leon Excellence Group: GR39
dc.description.sponsorshipIdSpanish Ministry of Education and Science: MAT 2009-14001-C02-01
dc.description.sponsorshipIdSpanish Plan for Improving the Economy and Employment (EPlan, Innocash): INC0193
dc.description.sponsorshipIdCAPES: 118/06
dc.description.sponsorshipIdMICINN (Spain): PHB2005-0057-PC
dc.format.extent2324-2330
dc.identifierhttp://dx.doi.org/10.1002/app.33946
dc.identifier.citationJournal of Applied Polymer Science. Malden: Wiley-blackwell, v. 121, n. 4, p. 2324-2330, 2011.
dc.identifier.doi10.1002/app.33946
dc.identifier.issn0021-8995
dc.identifier.lattes1540538724619296
dc.identifier.orcid0000-0002-4556-3718
dc.identifier.urihttp://hdl.handle.net/11449/6914
dc.identifier.wosWOS:000291438200054
dc.language.isoeng
dc.publisherWiley-Blackwell
dc.relation.ispartofJournal of Applied Polymer Science
dc.relation.ispartofjcr1.901
dc.relation.ispartofsjr0,543
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectblendsen
dc.subjectEVAen
dc.subjectstarchen
dc.subjectmechanical propertiesen
dc.subjectthermal propertiesen
dc.titleStructure and Physical Properties of EVA/Starch Precursor Materials for Foaming Applicationsen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderWiley-blackwell
unesp.author.lattes1540538724619296[2]
unesp.author.lattes6118325967319836[3]
unesp.author.orcid0000-0001-7252-2949[4]
unesp.author.orcid0000-0002-4556-3718[2]
unesp.author.orcid0000-0002-3607-690X[1]
unesp.author.orcid0000-0002-5921-3161[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências e Tecnologia, Presidente Prudentept

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