Preparation and Dielectric Properties of Alumina Filled Epoxy Nano-Composite

Abstract:

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The reported enhancement in dielectric properties obtained for polymer nano-composite seemed to be very encouraging. To further understand the dielectric behavior of epoxy nano-composite, aluminum oxide (Al2O3) nano-particles were incorporated into bisphenol A epoxy resin, and the dependence of nano-particle content and the dielectric properties was investigated in this study. Results showed that, when nano-particle contents was no more than 10phr, relative permittivity (εr) decreased to be lower than that of monolithic epoxy, and the minimum value appeared in 4phr nano-particle filled composite. The minimum value of tan delta (tanδ) appeared in 6phr nano-particle filled composite. DC volume resistivity (ρv) increased due to the introduction of nano-particles when the filler content is very small (about 2phr).

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Periodical:

Edited by:

Hyungsun Kim, JianFeng Yang, Tohru Sekino, Masakazu Anpo and Soo Wohn Lee

Pages:

463-466

DOI:

10.4028/www.scientific.net/MSF.658.463

Citation:

H. C. Shi et al., "Preparation and Dielectric Properties of Alumina Filled Epoxy Nano-Composite", Materials Science Forum, Vol. 658, pp. 463-466, 2010

Online since:

July 2010

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$35.00

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