Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 47, Issue -, Pages 72-82Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2012.12.009
Keywords
Polymer-matrix composites (PMCs); Microstructures; Electrical properties; Injection moulding
Funding
- Chunhui Cooperation Project of the Ministry of Education [Z2010097]
- Sichuan Province Youth Science Grant Program [11ZB005]
- Xihua University Talent Fund Program [Z0910109]
- Open Research Fund of Key Laboratory of Special Materials and Preparation Technologies of Xihua University
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Different formulations of microwave-exfoliated graphite oxide (MEGO) based thermoplastic polyurethane (TPU) nanocomposites were successfully prepared via melt blending followed by injection molding. The spectroscopic study indicated that a strong interfacial interaction had developed between the MEGO and the TPU matrix. The microscopic observations showed that the MEGO layers were homogeneously dispersed throughout the TPU matrix. Thermal analysis indicated that the glass transition temperatures (T-g) of the nanocomposites increased with increasing MEGO content and their thermal stability improved in comparison with pure TPU matrix. The mechanical properties of nanocomposites improved substantially by the incorporation of MEGO into the TPU matrix. Electrical conductivity test indicated that a conductivity of 10(-4) S cm(-1) was achieved in the nanocomposite containing only 4.0 wt.% of MEGO. (c) 2013 Elsevier Ltd. All rights reserved.
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