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Nanostructured materials are attracting interests and applications, thus; physical and electrical properties of Polymethylmethacrylate (PMMA) nanocomposite materials under various thermal conditions are currently being studied. The dielectric behavior of new nanocomposite materials of Polymethylmethacrylate filled with nano- clay or nano-fumed silica has been measured at various frequency (0.1 kHz - 1 kHz) and temperatures (20°C-60°C). Dielectric spectroscopy has been used to characterize ionic conduction and state the effect of filler concentration on the dielectric permittivity and dielectric losses, therefore; the relative permittivity and the loss tangent are measured by dielectric spectroscopy for Polymethylmethacrylate with and without nanofillers. Finally, it has been compared between dielectric properties of new Polymethylmethacrylate nanocomposites which prepared by adding nanofillers of clay or fumed silica with different concentrations under various temperatures.

Experimental Investigation on Thermal Dielectric Characterization for New PMMA Nanocomposites