Thermo-mechanical properties of poly(vinylidene fluoride) modified graphite/poly(methyl methacrylate) nano composites

Poly(methyl methacrylate) (PMMA) nano composites were synthesized by melt compounding technique. Different graphite loadings were investigated, including some treated with poly(vinylidene fluoride) (PVDF). A homogeneous dispersion of graphite throughout the PMMA matrix was observed under microscopic...

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Veröffentlicht in:	Composites science and technology 2010-04, Vol.70 (4), p.578-583
Hauptverfasser:	Pramoda, K.P., Linh, N.T.T., Tang, P.S., Tjiu, W.C., Goh, S.H., He, C.B.
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Nano composites A. Polymer Applied sciences B. Thermo-mechanical properties Composites D. Dynamic mechanical thermal analysis (DMTA) D. Raman spectroscopy Exact sciences and technology Fluorides Forms of application and semi-finished materials Graphite Melts Nanocomposites Nanomaterials Nanostructure Polymer industry, paints, wood Polymethyl methacrylates Polyvinylidene fluorides Technology of polymers
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Beschreibung
Zusammenfassung:	Poly(methyl methacrylate) (PMMA) nano composites were synthesized by melt compounding technique. Different graphite loadings were investigated, including some treated with poly(vinylidene fluoride) (PVDF). A homogeneous dispersion of graphite throughout the PMMA matrix was observed under microscopic analysis. Thermo-gravimetric analysis showed the incorporation of graphite resulted in improvement of thermal stability of neat PMMA. Dynamic mechanical thermal analysis also showed a significant improvement in the storage modulus over the temperature range of 25–150 °C. Coating the graphite with a small amount of PVDF was found to further extend the improvement in the modulus of the PMMA nano composite at 1 wt.% graphite loading.
ISSN:	0266-3538 1879-1050
DOI:	10.1016/j.compscitech.2009.12.006