Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 42, Issue 11, Pages 1856-1861Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2011.08.014
Keywords
Graphene; Mechanical properties; Thermal analysis; Electrical properties
Funding
- Human Resource Training Project for Regional Innovation
- Converging Research Center [2011K000776]
- National Research Foundation (NRF) [R31-20029]
- Ministry of Education, Science, and Technology (MEST) of Korea
- National Research Foundation of Korea [R31-2011-000-20029-0, 2010-12-01, 핵06A1303, 2011-50380] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Poly(methyl methacrylate) (PMMA)/graphene nanocomposites were prepared by in situ emulsion polymerization. Raman and Fourier transform infrared spectra showed that PMMA polymer contained partially reduced graphite oxide. Dynamic mechanical analysis and differential scanning calorimetry analysis showed that graphene in the PMMA matrix acted as reinforcing filler; it enhanced the storage moduli and glass transition temperatures of the nanocomposites. Thermogravimetric analysis showed that the thermal stability of the nanocomposites increased by ca. 35 degrees C. The electrical conductivity of nanocomposite with 3 wt.% graphite oxide was 1.5 S m(-1) at room temperature. (C) 2011 Elsevier Ltd. All rights reserved.
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