Surface energy increase of oxygen-plasma-treated PET

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dc.contributor.authorCioffi, MOH
dc.contributor.authorVoorwald, HJC
dc.contributor.authorMota, Rogério Pinto [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:27:31Z
dc.date.available2014-05-20T13:27:31Z
dc.date.issued2003-03-01
dc.description.abstractProsthetic composite is a widely used biomaterial that satisfies the criteria for application as an organic implant without adverse reactions. Polyethylene therephthalate (PET) fiber-reinforced composites have been used because of the excellent cell adhesion, biodegradability and biocompatibility. The chemical inertness and low surface energy of PET in general are associated with inadequate bonds for polymer reinforcements. It is recognized that the high strength of composites, which results from the interaction between the constituents, is directly related to the interfacial condition or to the interphase. A radio frequency plasma reactor using oxygen was used to treat PET fibers for 5, 20, 30 and 100 s. The treatment conditions were 13.56 MHz, 50 W, 40 Pa and 3.33 x 10(-7) m(3)/s. A Rame-Hart goniometer was used to measure the contact angle and surface energy variation of fibers treated for different times. The experimental results showed contact angle values from 47degrees to 13degrees and surface energies from 6.4 x 10(-6) to 8.3 x 10(-6) J for the range of 5 to 100 s, respectively. These results were confirmed by the average ultimate tensile strength of the PET fiber/polymethylmethacrylate (PMMA) matrix composite tested in tensile mode and by scanning electron microscopy. (C) 2003 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, DMT, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, DFQ, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, DMT, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, DFQ, BR-12516410 Guaratingueta, SP, Brazil
dc.format.extent209-215
dc.identifierhttp://dx.doi.org/10.1016/S1044-5803(03)00094-9
dc.identifier.citationMaterials Characterization. New York: Elsevier B.V., v. 50, n. 2-3, p. 209-215, 2003.
dc.identifier.doi10.1016/S1044-5803(03)00094-9
dc.identifier.issn1044-5803
dc.identifier.lattes6119671014416126
dc.identifier.lattes3511534795805776
dc.identifier.urihttp://hdl.handle.net/11449/9075
dc.identifier.wosWOS:000186249900020
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofMaterials Characterization
dc.relation.ispartofjcr2.892
dc.relation.ispartofsjr1,291
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectplasma treatmentpt
dc.subjectPET/PMMApt
dc.subjectcompositept
dc.subjectcontact anglept
dc.subjecttensile strengthpt
dc.titleSurface energy increase of oxygen-plasma-treated PETen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes6119671014416126
unesp.author.lattes3511534795805776
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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