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The knowledge of the structure-property relationship at nanoscale level is important to develop advanced dielectric polymer composites. Herein dielectric epoxy/polyhedral oligomeirc silsesquioxanes (POSS) composites with homogeneous nanostructure were prepared. Unlike the conventional inorganic nanoparticles (e.g., silica) used for polymer nanocomposite preparation, the POSS molecules used in this...
Poly(3,4-ethylenedioxythiophene) (PEDOT)-based thin film has relatively high conductivity, flexibility and transmittance. However, the improvement for mechanical strength and enhanced conductivity is still required to be adapted for commerical applications. Graphene, a one-atom-thick planar sheet of sp2-bonded carbon atoms is considered as an ideal nanocomposite material for these purposes. In this...
This paper evaluated the influences of silica nanoparticles on the dielectric properties, mechanical performances and glass transformation behaviors of epoxy resin by analyzing the temperature dependence of dc conduction and dielectric loss, impact test results and dynamic mechanical data, respectively. The particular attention was given to the correlation between the glass transformation behaviors,...
We investigated the influence of the surface modification of Al nanoparticles on the electrical conduction of polyethylene composites. Octyl-trimethoxysilane was used as a coupling agent for the treatment of Al nanoparticle. It was found that the incorporation of octyl groups onto the surface of Al nanoparticle altered the time dependence behaviors of polarization and depolarization current and increased...
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