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Development and Characterization of Amorphous Thermoplastic Matrix Graphene Nanocomposites
Department of Innovation Engineering, University of Salento, Via per Arnesano, Lecce 73100, Italy
* Author to whom correspondence should be addressed.
Received: 10 September 2012; in revised form: 27 September 2012 / Accepted: 19 October 2012 / Published: 22 October 2012
Abstract: The aim of the present work is the development of amorphous thermoplastic matrix nanocomposites based on graphite nanoparticles. Different types of graphite were used, including unmodified graphite, graphene nanoplatelets and graphite intercalation compounds. Graphite intercalation compounds were subjected to thermal treatment to attain exfoliation of the nanofiller. The exfoliation process was studied by means of thermal analysis. The nanofillers and nanocomposites were characterized by means of X-ray Diffraction (XRD) and Scanning Electron Microscope (SEM) analysis. The nanocomposites were further characterized by means of mechanical and dielectric analysis. The flammability of the nanocomposites was also analyzed. Results obtained indicate that addition of the nanofiller allows improving the proprieties of the amorphous thermoplastic matrix. The effect of the degree of dispersion of the nanofiller is particularly relevant for the dielectric properties of the nanocomposites, whereas no direct correlation between degree of dispersion and mechanical properties can be observed.
Keywords: graphene; nanocomposite; thermoplastic matrix
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Greco, A.; Timo, A.; Maffezzoli, A. Development and Characterization of Amorphous Thermoplastic Matrix Graphene Nanocomposites. Materials 2012, 5, 1972-1985.
Greco A, Timo A, Maffezzoli A. Development and Characterization of Amorphous Thermoplastic Matrix Graphene Nanocomposites. Materials. 2012; 5(10):1972-1985.
Greco, Antonio; Timo, Alessia; Maffezzoli, Alfonso. 2012. "Development and Characterization of Amorphous Thermoplastic Matrix Graphene Nanocomposites." Materials 5, no. 10: 1972-1985.