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Issue 10, 2013
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Highly elastic graphene oxide–epoxy composite aerogels via simple freeze-drying and subsequent routine curing

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Abstract

In this study, highly elastic graphene oxide–epoxy composite aerogel (GEA) was fabricated by a facile method, in which the mixed suspension of the thermoset epoxy precursors and graphene oxide sheets was freeze-dried, followed by a routine curing process. The resulting GEA with a three-dimensional network structure not only exhibits a high decomposition temperature (286 °C), excellent mechanical strength (0.231 MPa) and extremely low density (0.09 g cm−3), but also achieves high elasticity, as it recovers from a large compressive strain without significant permanent deformation. The exceptional properties of our obtained GEA provide the potential for a range of practical applications in energy-absorbing and durable insulation materials, and the convenient synthetic approach could also be utilized in the fabrication of other organic–inorganic composite aerogels with outstanding mechanical properties.

Graphical abstract: Highly elastic graphene oxide–epoxy composite aerogels via simple freeze-drying and subsequent routine curing

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Article information


Submitted
18 nóv. 2012
Accepted
07 jan. 2013
First published
08 jan. 2013

J. Mater. Chem. A, 2013,1, 3495-3502
Article type
Paper

Highly elastic graphene oxide–epoxy composite aerogels via simple freeze-drying and subsequent routine curing

S. Ye, J. Feng and P. Wu, J. Mater. Chem. A, 2013, 1, 3495
DOI: 10.1039/C2TA01142E

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