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Issue 12, 2011
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In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties

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Abstract

Polyurethane (PU) composites reinforced with graphene nanosheets (GNSs) were prepared by in situpolymerization. Graphene nanosheets, which were derived from chemically reduced graphite oxide (GO) nanosheets, were characterized by solid-state 13C MAS NMR, XRD and FTIR. A morphological study showed that, due to the formation of chemical bonds, the GNS was dispersed well in the PU matrix. With the incorporation of 2.0 wt% of GNSs, the tensile strength and storage modulus of the PU increased by 239% and 202%, respectively. The nanocomposites displayed high electrical conductivity, and good thermal stability of PU was also achieved. The facile and rapid technique presented here will provide an effective and promising method of preparing graphene-based polymer composites.

Graphical abstract: In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties

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Publication details

The article was received on 30 Oct 2010, accepted on 15 Dec 2010 and first published on 01 Feb 2011


Article type: Paper
DOI: 10.1039/C0JM03710A
Citation: J. Mater. Chem., 2011,21, 4222-4227
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    In situ polymerization of graphene nanosheets and polyurethane with enhanced mechanical and thermal properties

    X. Wang, Y. Hu, L. Song, H. Yang, W. Xing and H. Lu, J. Mater. Chem., 2011, 21, 4222
    DOI: 10.1039/C0JM03710A

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