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Durability of adhesives based on different epoxy/aliphatic amine networks

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dc.contributor.authorGarcia, Filiberto Gonzalez
dc.contributor.authorLeyva, Maria Elena
dc.contributor.authorAlencar de Queiroz, Alvaro Antonio
dc.contributor.authorSimões, Alexandre Zirpoli [UNESP]
dc.contributor.institutionUniversidade Federal de Itajubá (UNIFEI)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:28:15Z
dc.date.available2014-05-20T13:28:15Z
dc.date.issued2011-06-01
dc.description.abstractThe mechanical and adhesives properties of epoxy formulations based on diglycidyl ether of bisphenol A cured with various aliphatic amines were evaluated in the glass state. Impact tests were used to determine the impact energy. The adhesive properties have been evaluated in terms single lap shear using steel adherends. Its durability in water at ambient temperature (24 degrees C) and at 80 degrees C has also been analyzed. The fracture mechanisms were determined by optical microscopy. It was observed a strong participation of the cohesive fracture mechanisms in all epoxy system studied. The 1-(2-aminoethyl)piperazine epoxy adhesive and piperidine epoxy adhesive presents the best adhesive strength and the largest impact energy. The durability in water causes less damage to piperidine epoxy networks. This behavior appears to be associated with the lower water uptake tendency of homopolymerised resins due to its lower hydroxyl group concentration. (C) 2011 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniversidade Federal de Itajubá (UNIFEI) UNIFEI, Dept Quim & Fis, Inst Ciencias Exatas, BR-37500903 Itajuba, MG, Brazil
dc.description.affiliationUniv Estadual Paulista UNESP, Dept Mat & Tecnol, Fac Engn Guaratingueta, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista UNESP, Dept Mat & Tecnol, Fac Engn Guaratingueta, BR-12516410 Guaratingueta, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)
dc.description.sponsorshipIdFAPEMIG: TEC 00242/07
dc.format.extent177-181
dc.identifierhttp://dx.doi.org/10.1016/j.ijadhadh.2011.01.002
dc.identifier.citationInternational Journal of Adhesion and Adhesives. Oxford: Elsevier B.V., v. 31, n. 4, p. 177-181, 2011.
dc.identifier.doi10.1016/j.ijadhadh.2011.01.002
dc.identifier.issn0143-7496
dc.identifier.lattes3573363486614904
dc.identifier.urihttp://hdl.handle.net/11449/9389
dc.identifier.wosWOS:000290189600001
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofInternational Journal of Adhesion and Adhesives
dc.relation.ispartofjcr2.065
dc.relation.ispartofsjr0,926
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectEpoxy adhesivesen
dc.subjectSteelsen
dc.subjectLap shearen
dc.subjectCohesive fractureen
dc.subjectDurabilityen
dc.titleDurability of adhesives based on different epoxy/aliphatic amine networksen
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.lattes3573363486614904
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Guaratinguetápt
unesp.departmentMateriais e Tecnologia - FEGpt

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Guaratinguetá - FEG - Faculdade de Engenharia e Ciências