NDLI: Dielectric response of high density polyethylene/SiO2 composites

Content Provider	IEEE Xplore Digital Library
Author	Sami, A. David, E. Frechette, M.
Copyright Year	2010
Description	Author affiliation: École de technologie supérieure (ETS), Qc, Canada (Sami, A.; David, E.) \|\| Institut de recherche d'Hydro-Québec (IREQ), Canada (Frechette, M.)
Abstract	The objective of this research is to measure and quantitatively model the complex permittivity of PE composites. Dielectric mixing laws are helpful in designing and modeling composites. However, simple algebraic mixing laws do not accurately predict the effective permittivity of multiphase composites. Popular algebraic mixing laws are based on volume fractions and complex permittivities of both phases only. Thus, they do not distinguish between material types with different microstructures. Most of the different two-phase mixing laws inaccurately predict the measured complex permittivities of HDPE composites. Nanocomposites have been prepared by melt compounding using a twin screw extruder. The imaginary part of the complex permittivity of the three-phase composites depends significantly on the presence of a water layer at the surface of the nanoparticles. In this paper, a comparison between the analytical solution for heterogeneous material with an interfacial layer between filler particles and the PE matrix and the experimental results is presented for various PE/SiO2 nanocomposites. The experimental results were obtained from frequency domain dielectric spectroscopy in the $10^{−1}$ Hz to $10^{5}$ Hz frequency range.
Starting Page	1
Ending Page	4
File Size	289092
Page Count	4
File Format	PDF
ISBN	9781424494682
ISSN	00849162
e-ISBN	9781424494712
DOI	10.1109/CEIDP.2010.5724068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interconnected systems Permittivity Dielectric constant Nanocomposites Mathematical model Polymers complex dielectric permittivity HDPE SiO² nanocomposites materials
Content Type	Text
Resource Type	Article

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