Title :
Dielectric relaxation properties of filled ethylene propylene rubber
Author :
Jeffery, Anne- Marie ; Damon, Dwight H.
Author_Institution :
Electr. Insulation Res. Center, Connecticut Univ., Storrs, CT, USA
fDate :
6/1/1995 12:00:00 AM
Abstract :
Thermally stimulated discharge currents and time domain dielectric spectroscopy were employed to characterize the behavior of clay-filled ethylene propylene rubber. Measurements were made on samples with different clay concentrations and particle sizes. The main effect of the clay filler on the electrical properties is on interfacial polarization which occurs at the clay polymer interface. The experimental results are sensitive to the shape of the clay particles. A few results indicate that other mechanisms also affect the electrical behavior of this material
Keywords :
clay; composite material interfaces; dielectric polarisation; dielectric relaxation; ethylene-propylene rubber; filled polymers; particle size; polymer blends; power cable insulation; thermally stimulated currents; EPR copolymer; TDSC; TSDC; clay concentration; clay particle shape; clay polymer interface; clay-filled ethylene propylene rubber; commercial cable insulation; dielectric relaxation; filled EPR; interfacial polarization; particle size; thermally stimulated discharge currents; time domain dielectric spectroscopy; Additives; Cable insulation; Conductivity; Dielectrics and electrical insulation; Mechanical factors; Paramagnetic resonance; Polarization; Polymers; Rubber; Shape;
Journal_Title :
Dielectrics and Electrical Insulation, IEEE Transactions on
