A new epoxy based layered silicate nanocomposite using a hyperbranched polymer: study of the curing reaction and nanostructure development

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/26762

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
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	Cortés Izquierdo, María Pilar
dc.contributor.author	Fraga Rivas, Iria
dc.contributor.author	Calventus Solé, Yolanda
dc.contributor.author	Hutchinson, John M.
dc.date	2013
dc.identifier.citation	Cortes, M. [et al.]. A new epoxy based layered silicate nanocomposite using a hyperbranched polymer: study of the curing reaction and nanostructure development. A: International Conference on Modification, Degradation and Stabilization of Polymers. "NANOCOMPOSITES MoDeSt Workshop 2013. Book of abstracts.". Warsaw: 2013, p. 91-94.
dc.identifier.citation	978-83-925627-2-6
dc.identifier.uri	http://hdl.handle.net/2117/26762
dc.language.iso	eng
dc.relation	http://en.www.ichp.pl/attach.php?id=2056
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials compostos
dc.subject	Àrees temàtiques de la UPC::Enginyeria química
dc.subject	Nanocomposites (Materials)
dc.subject	Nanocompostos (Materials) -- Congressos
dc.title	A new epoxy based layered silicate nanocomposite using a hyperbranched polymer: study of the curing reaction and nanostructure development
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	Polymer layered silicate (PLS) nanocomposites based on epoxy resins have been widely studied previously [1], but the anticipated dramatic enhancement of their properties has not yet been realised. One approach to overcoming this problem that has recently been investigated is to incorporate hyperbranched polymers into these systems [2]. The supposed advantages of this approach are both to improve the dispersion of the clay in the epoxy resin matrix and also to increase the degree of exfoliation that takes place when the system is cured. In the present work, we further investigate this idea by fabricating PLS nanocomposites based upon a bifunctional epoxy resin and an –NH terminated poly(ethyleneimine) hyperbranched polymer, which acts as the curing agent. The effect of the clay content is studied and the results are compared also with previous work in which the curing agent was a diamine [3]

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