Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 72, Issue 1, Pages 1-6Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2011.05.007
Keywords
Polymer-matrix composites (PMCs); Thermal properties; Mechanical properties; Dynamic mechanical thermal analysis (DMTA)
Categories
Funding
- National Natural Science Foundation of China (NSFC) [51036007]
- Civil Aviation Administration of China (CAAC) [61079015]
- NSFC and Guangdong Province [U1074001]
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Graphene nanosheets (GNSs) reinforced poly(butylene succinate) (PBS) nanocomposites are facilely obtained by a solution-based processing method. Graphene nanosheets, which are derived from chemically reduced graphite oxide (GO), are characterized by AFM, TEM, XRD and Raman spectra. The state of dispersion of the GNSs in the PBS matrix is examined by SEM observations that reveals homogeneous distribution of GNSs in PBS matrix. A 21% increase in tensile strength and a 24% improvement of storage modulus are achieved by addition of 2.0 wt% of GNS. The electrical conductivity and thermal stability of the graphene-based nanocomposite are also improved. DSC measurement indicates that the presence of graphene sheets does not have a remarkable impact on the crystallinity of the nanocomposites. Therefore, the high performances of the nanocomposites are mainly attributed to the uniform dispersion of GNSs in the polymer matrix and strong interfacial interactions between both components. (C) 2011 Elsevier Ltd. All rights reserved.
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