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Atmospheric pressure plasma hydrophilic modification of a silicone surface

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Comportamiento en Servicio de Materialeses
dc.contributor.authorEncinas García, Noemí
dc.contributor.authorDillingham, R. G.
dc.contributor.authorOakley, B. R.
dc.contributor.authorAbenojar Buendía, Juana
dc.contributor.authorMartínez Casanova, Miguel Ángel
dc.contributor.authorPantoja Ruiz, Mariola
dc.date.accessioned2016-05-25T08:02:55Z
dc.date.available2016-05-25T08:02:55Z
dc.date.issued2011-04
dc.descriptionPresented in part at the 1st International Conference on Structural Adhesive Bonding (AB2011), Porto, Portugal, 7-8 July 2011.en
dc.description.abstractThe aim of this study was the creation of a silicone hydrophilic surface prior to bonding. Modifications in wettability and adhesion properties of silicone were performed with an atmospheric plasma torch (APPT). Surface energy variations of the substrate, both pristine and APPT-treated, were evaluated through contact angle measurements, studying the hydrophobic recovery of the samples up to 24 hours of aging. Compositional and topographical changes induced by APPT and aging were studied by attenuated total multiple reflection mode infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), mechanical profilometry, scanning electron microscopy (SEM), and atomic force microscopy (AFM), respectively. Adhesion pull-off tests were performed on silicone-aluminium stud joints using three commercial adhesives, which were Sikaflex®-252, polyurethane-based, Loctite®-330, urethane methacrylate ester-based acrylic, and Terostat®-922, modified silicone. Although experimental data of all the bonding specimens led to an undesired adhesive failure, it was found that APPT-treated samples gave higher adhesive strength than the pristine ones, which was explained by the higher surface energy, thus more wettable material, after APPT. This effect remained stable for just 1 h, when the substrate began its hydrophobic recovery, reaching the original surface energy values after 24 h of aging.en
dc.description.sponsorshipFinancial support from the Universidad Carlos III de Madrid Foundation and Chemistry and Materials Technological Institute ‘‘Álvaro Alonso Barba’’ are acknowledged, as well as from the Universidad Pontificia Comillas (ICAI) (Spain).en
dc.format.extent16es
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationThe journal of adhesion (Special Issue: Papers from the 1st International Conference on Structural Adhesive Bonding, AB2011, Porto, Portugal, 7-8 July 2011), vol. 88, issue 4-6, pp. 321-336en
dc.identifier.doi10.1080/00218464.2012.659994
dc.identifier.issn0021-8464
dc.identifier.publicationfirstpage321es
dc.identifier.publicationissue4-6es
dc.identifier.publicationlastpage336es
dc.identifier.publicationtitleThe journal of adhesionen
dc.identifier.publicationvolume88es
dc.identifier.urihttps://hdl.handle.net/10016/23090
dc.identifier.uxxiCC/0000014234
dc.language.isoenges
dc.publisherTaylor & Francisen
dc.relation.eventdate2011-07-07es
dc.relation.eventplaceOporto, Portugales
dc.relation.eventtitle1st International Conference on Structural Adhesive Bonding (AB2011)en
dc.relation.ispartofhttp://hdl.handle.net/10016/16155
dc.relation.publisherversionhttp://dx.doi.org/10.1080/00218464.2012.659994es
dc.rights© Taylor & Francis Group, LLCes
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMaterialeses
dc.subject.otherAtmospheric pressure plasmaen
dc.subject.otherHydrophobic recoveryen
dc.subject.otherPolymeric adhesionen
dc.subject.otherSiliconeen
dc.titleAtmospheric pressure plasma hydrophilic modification of a silicone surfaceen
dc.typeconference paper*
dc.type.hasVersionAM*
dspace.entity.typePublication
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