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Transport Properties of One-Step Compression Molded Epoxy Nanocomposite Foams

Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/ Juan de la Cierva, 3, 28006 Madrid, Spain
Cellular Materials Laboratory (CellMat), Condensed Matter Physics Department, Faculty of Science, University of Valladolid, Campus Miguel Delibes, Paseo de Belén, 7, 47011 Valladolid, Spain
Author to whom correspondence should be addressed.
Polymers 2019, 11(5), 756;
Received: 20 March 2019 / Revised: 16 April 2019 / Accepted: 25 April 2019 / Published: 30 April 2019
(This article belongs to the Special Issue Polymeric Foams)
PDF [4468 KB, uploaded 30 April 2019]


Owing to their high strength and stiffness, thermal and environmental stability, lower shrinkage, and water resistance, epoxy resins have been the preferred matrix for the development of syntactic foams using hollow glass microspheres. Although these foams are exploited in multiple applications, one of their issues is the possibility of breakage of the glass hollow microspheres during processing. Here, we present a straightforward and single-step foaming protocol using expandable polymeric microspheres based on the well-established compression molding process. We demonstrate the viability of the protocol producing two sets of nanocomposite foams filled with carbon-based nanoparticles with improved transport properties. View Full-Text
Keywords: epoxy; foams; expandable microspheres; graphene; nanotubes; conductivity; syntactic foams epoxy; foams; expandable microspheres; graphene; nanotubes; conductivity; syntactic foams

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Martin-Gallego, M.; Lopez-Hernandez, E.; Pinto, J.; Rodriguez-Perez, M.A.; Lopez-Manchado, M.A.; Verdejo, R. Transport Properties of One-Step Compression Molded Epoxy Nanocomposite Foams. Polymers 2019, 11, 756.

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