Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics
dc.contributor	Universitat Politècnica de Catalunya. TERFIQ - Grup de Termodinàmica i Fisico-Química
dc.contributor.author	Shiravand, Fatemeh
dc.contributor.author	Hutchinson, John M.
dc.contributor.author	Calventus Solé, Yolanda
dc.date	2013-03-08
dc.identifier.citation	Shiravand, F.; Hutchinson, J.M.; Calventus, Y. Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite. "Polymer engineering and science", 08 Març 2013, p. 1-8.
dc.identifier.citation	0032-3888
dc.identifier.citation	10.1002/pen.23540
dc.identifier.uri	http://hdl.handle.net/2117/19526
dc.language.iso	eng
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials
dc.subject	Clay minerals
dc.subject	Crosslinking (Polymerization)
dc.subject	Nanocomposites (Materials)
dc.subject	Nanostructures
dc.subject	Transmission electron microscopy
dc.subject	Crosslinking Clay minerals Curing Differential scanning calorimetry Epoxy resins Homopolymerization Isotherms Nanocomposites Nanostructures Phenols Transmission electron microscopy
dc.subject	Nanocompòsits (Materials)
dc.subject	Microscòpia electrònica de transmissió
dc.title	Influence of the isothermal cure temperature on the nanostructure and thermal properties of an epoxy layered silicate nanocomposite
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The cure kinetics of triglycidyl p-amino phenol (TGAP) epoxy resin with a diamine (4,4-diamino diphenyl sulphone [DDS]), reinforced with montmorillonite (MMT), has been studied by differential scanning calorimetry. The isothermal cure reaction consists of two parts: a rapid intra-gallery reaction, attributed to homopolymerization of the TGAP catalyzed by the MMT and the extra-gallery cross-linking reaction of the TGAP with the DDS. Increasing cure temperature promotes the intra-gallery reaction, which should promote an exfoliated nanostructure; this is confirmed by transmission electron microscopy. These results indicate that this system (TGAP/DDS/MMT) is an excellent candidate for achieving exfoliated polymer-layered silicate nanocomposites and identifies a protocol for optimizing the degree of exfoliation.
dc.description.abstract	Peer Reviewed

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