Dielectric properties of polypropylene containing synthetic and natural organoclays

Fully synthetic tetrasilisic mica from Topy Co., Ltd. and Cloisite ® powder of Wyoming natural montmorillonite clay from Southern Clay Products were used to manufacture polypropylene-based nanocomposites with organoclay concentrations up to 8%-wt. Both types of nano-filler increase the AC breakdown...

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Bibliographic Details
Published in2010 IEEE International Symposium on Electrical Insulation pp. 1 - 5
Main Authors Bulinski, A, Bamji, S S, Abou-Dakka, M, Chen, Y
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2010
Subjects
Dielectric materials
Dielectrics and electrical insulation
Electric breakdown
Frequency
Manufacturing
Mechanical factors
Nanocomposites
Partial discharges
Temperature
Thermal resistance
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Summary:Fully synthetic tetrasilisic mica from Topy Co., Ltd. and Cloisite ® powder of Wyoming natural montmorillonite clay from Southern Clay Products were used to manufacture polypropylene-based nanocomposites with organoclay concentrations up to 8%-wt. Both types of nano-filler increase the AC breakdown strength by approx. 10% over the unfilled material. However, the resistance to partial discharges is significantly improved, with both nano-fillers yielding similar results. Nano-fillers increase dielectric losses of PP over broad frequency and temperature ranges. Specimens containing natural clay show higher losses than the specimens containing synthetic clay, especially at higher frequencies and temperatures.
ISBN:1424462983
9781424462988
ISSN:1089-084X
DOI:10.1109/ELINSL.2010.5549836