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The Effect of Surface Modification of Silica Microfillers in an Epoxy Matrix on the Thermo-mechanical Properties

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Polímeros y Compositeses
dc.contributor.authorOlmos Díaz, Dania
dc.contributor.authorBaselga Llidó, Juan
dc.contributor.authorMondragon, Iñaki
dc.contributor.authorGonzález Benito, Francisco Javier
dc.date.accessioned2017-12-01T10:48:55Z
dc.date.available2017-12-01T10:48:55Z
dc.date.issued2008-07
dc.description.abstractThermo-mechanical and mechanical studies were carried out on silica filled epoxy composites. The effects of the filler with and without surfacemodification were studied. Silica particles were incorporated into the polymer matrix: (i) as received and (ii) surface treated with aminosilane coupling agents, namely 3-aminopropyltriethoxysilane (APTES) and 3-aminopropylmethyldiethoxysilane (APDES). The epoxy matrix consisted of poly (bisphenol A-co-epichlorohydrin) glycidyl end-capped (DGEBA) resin cured with ethylenediamine (EDA). The relaxation temperatures assigned to the glass transition temperatures (Tg) of the composites revealed that the filler both with and without surface treatment greatly affects the polymer network structure. It seems that on filling the epoxy-amine reactive mixture with silica a stoichiometric change in the epoxy/amine mixture occurs, which causes a decrease in the Tg. However, no significant differences were found for the different surface treatments. Assuming the systems were homogeneous a pseudo-fractional free volume was calculated from the superposition in the slow dynamics regime and good correlations between this parameter with the type of surface treatment and with the yield stress were found.en
dc.description.sponsorshipAuthors gratefully acknowledge projects Nanoter (MAT2001347), Interfases (S-0505/MAT/0227) and MEC, Acciones Integradas (HH2006-0007) for financial support. Furthermore, the authors acknowledge the Universidad Carlos III de Madrid and the Universidad del País Vasco/Euskal Herriko Unibertsitatea for sup-porting Dr. J. González-Benito at the Departamento de Ingeniería Química y del M. Ambiente.en
dc.format.extent17
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationOlmos, D., Baselga, J., Mondragon, I. & González-Benito, J. (2008). The Effect of Surface Modification of Silica Microfillers in an Epoxy Matrix on the Thermo-mechanical Properties. Journal of Adhesion Science and Technology, 22 (13), pp. 1443-1459.en
dc.identifier.doihttps://doi.org/10.1163/156856108X305750
dc.identifier.issn0169-4243
dc.identifier.publicationfirstpage1443
dc.identifier.publicationissue13
dc.identifier.publicationlastpage1459
dc.identifier.publicationtitleJournal of Adhesion Science and Technologyen
dc.identifier.publicationvolume22
dc.identifier.urihttps://hdl.handle.net/10016/26025
dc.identifier.uxxiAR/0000005620
dc.language.isoeng
dc.publisherKoninklijke Brill NV
dc.relation.projectIDGobierno de España. MAT2001347es
dc.relation.projectIDGobierno de España. S-0505/MAT/0227es
dc.rights© Koninklijke Brill NV, Leiden, 2008 © Taylor & Francis
dc.rights.accessRightsopen access
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaQuímicaes
dc.subject.otherSurface treatmentsen
dc.subject.otherCompositesen
dc.subject.otherEpoxyen
dc.subject.otherSilica fillersen
dc.titleThe Effect of Surface Modification of Silica Microfillers in an Epoxy Matrix on the Thermo-mechanical Propertiesen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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