NDLI: Superiority of dielectric properties of LDPE/MgO nanocomposites over microcomposites

Content Provider	IEEE Xplore Digital Library
Author	Ishimoto, K. Kanegae, E. Ohki, Y. Tanaka, T. Sekiguchi, Y. Murata, Y. Reddy, C.
Copyright Year	1994
Abstract	Dielectric properties were compared between two kinds of low-density polyethylene (LDPE) composites prepared by adding near spherical MgO fillers with different diameters of around several ten nm and several ¿m. In the whole range of temperature from 0°C to 90°C, the conductivity is decreased and the permittivity is increased by the addition of fillers, irrespective of their sizes. However, the decrement in the conductivity is more significant and permittivity increment is suppressed more in the case of the nm fillers. In addition, a drastic increase in dielectric loss factor, observed at low frequencies, is suppressed more significantly by the addition of the nm fillers. While the formation of packet-like charge, observed in LDPE, is suppressed by both fillers, the effect is far more significant in the nanocomposites. This means that the nano-fillers suppress the conductivity enhancement by the voltage application more effectively.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
File Size	1093294
File Format	PDF
ISSN	10709878
Volume Number	16
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nanocomposites Conductivity Polymers Permittivity Polyethylene Temperature distribution Voltage Dielectrics and electrical insulation Atmospheric measurements Current measurement Polymer nanocomposites, polyethylene insulation, magnesium oxide, conductivity, complex permittivity, space charge distribution
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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