Influence of polyhedral oligomeric silsesquioxanes on thermal and mechanical properties of melt-mixed poly(methyl methacrylate)/polyhedral oligomeric silsesquioxanes composites

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/26764

dc.contributor	Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica
dc.contributor	Universitat Politècnica de Catalunya. POLYCOM - Polimers i compòsits: tecnologia
dc.contributor.author	Illescas Fernandez, Silvia
dc.contributor.author	Arostegui, Asier
dc.date	2014-05-03
dc.identifier.citation	Illescas, S.; Arostegui, A. Influence of polyhedral oligomeric silsesquioxanes on thermal and mechanical properties of melt-mixed poly(methyl methacrylate)/polyhedral oligomeric silsesquioxanes composites. "High performance polymers", 03 Maig 2014, vol. 26, núm. 3, p. 307-318.
dc.identifier.citation	0954-0083
dc.identifier.citation	10.1177/0954008313512140
dc.identifier.uri	http://hdl.handle.net/2117/26764
dc.language.iso	eng
dc.relation	http://hip.sagepub.com/content/26/3/307
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
dc.subject	Thermogravimetry
dc.subject	Nanocomposites (Materials)
dc.subject	Thermoplastic composites
dc.subject	Polymers--Testing
dc.subject	Fracture
dc.subject	POSS
dc.subject	Morphology
dc.subject	Thermogravimetric analysis (TGA)
dc.subject	Thermal properties
dc.subject	Nanocompòsits (Materials) -- Propietats tèrmiques
dc.subject	Polímers -- Proves
dc.subject	Termoplàstics -- Proves
dc.title	Influence of polyhedral oligomeric silsesquioxanes on thermal and mechanical properties of melt-mixed poly(methyl methacrylate)/polyhedral oligomeric silsesquioxanes composites
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this study, the influence of the functionalization of fully or incomplete condensed polyhedral oligomeric silsesquioxanes composites (POSS) nanoparticles on the properties of poly(methyl methacrylate) (PMMA)-based composites has been studied. POSS with different organic substituents (methacryl, methacrylateisooctyl and trisilanolphenyl) are taken into account and added to the PMMA matrix by direct melt blending at loadings between 0 and 5 wt%. Significant differences in compatibility were observed depending on the structure of nanoparticles. POSS aggregation occurred during blending producing micron-sized aggregates in the composites. The thermal decomposition temperature of the composites with good dispersion of POSS aggregates increased under oxidative conditions. There were no significant changes in other thermal and mechanical properties of the composites. The relationships among these effects and the morphological characteristics of the systems were analysed.
dc.description.abstract	Peer Reviewed

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