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Synthesis and Characterization of Novel Epoxy Geopolymer Hybrid Composites

Department of Engineering, University of Naples Parthenope, INSTM Research Group Napoli Parthenope, Centro Direzionale Napoli, Isola C4, Naples 80143, Italy
Department of Chemistry, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, via Cintia, Napoli 80126, Italy
Author to whom correspondence should be addressed.
Materials 2013, 6(9), 3943-3962;
Received: 9 June 2013 / Revised: 1 August 2013 / Accepted: 2 September 2013 / Published: 9 September 2013
The preparation and the characterization of novel geopolymer-based hybrid composites are reported. These materials have been prepared through an innovative synthetic approach, based on a co-reticulation in mild conditions of commercial epoxy based organic resins and a metakaolin-based geopolymer inorganic matrix. This synthetic strategy allows the obtainment of a homogeneous dispersion of the organic particles in the inorganic matrix, up to 25% in weight of the resin. The materials obtained present significantly enhanced compressive strengths and toughness with respect to the neat geopolymer, suggesting their wide utilization for structural applications. A preliminary characterization of the porous materials obtained by removing the organic phase from the hybrid composites by means of heat treatments is also reported. Possible applications of these materials in the field of water purification, filtration, or as lightweight insulating materials are envisaged. View Full-Text
Keywords: geopolymer; hybrid composites; epoxy resin; metakaolin geopolymer; hybrid composites; epoxy resin; metakaolin
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Roviello, G.; Ricciotti, L.; Ferone, C.; Colangelo, F.; Cioffi, R.; Tarallo, O. Synthesis and Characterization of Novel Epoxy Geopolymer Hybrid Composites. Materials 2013, 6, 3943-3962.

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