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Multi-walled carbon nanotube/epoxy resin (MWCNT/EP) composites with filler contents from 0.03wt% to 0.5wt.% and two different aspect ratios are prepared by solution blended process. Carbon nanotubes are dispersed by sonication and high speed shear force. The impact of aspect ratio on electric and thermal conductivity of nanocomposites has been studied. Experiment results illustrate that percolation...
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...
To meet the demands for increased integration and multi functions for multilayer electronic components the related materials and process technique for layer-to-layer interconnection have to be developed together. Using nano-, micro-sized metal powders and epoxy resins conductive via pastes have been formulated. Via conductance was measured before and after solder floating(288 °C) to observe the change...
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,...
Recent developments of nanofabrication have enabled the miniaturization of electronic devices, allowing more electronic devices to be combined into a single device with a high performance. However, the complex devices have led to the escalation of power dissipation as well as the increasing heat flux at the interface between devices. Electronic devices were damaged by much heat accumulation, since...
The dielectric properties of epoxy resin were studied as a function of hydration by dielectric spectroscopy. The dielectric spectroscopy measurements show different conduction and quasi-DC behaviors at very low frequencies (<10-2 Hz) with activation energies dependent on the hydration. These observations lead to the development of a model in which a "water shell" is formed around the...
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