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Effect of EVA Content upon the Dielectric Properties in LDPE-EVA Films


Affiliations
1 Department of Physics, Yazd University, Yazd, Iran, Islamic Republic of
2 Imam Javad University College, Yazd, Iran, Islamic Republic of
 

Low density polyethylene (LDPE) blends with different percentages of ethylene vinyl acetate polymer membranes were prepared by a hot press casting method. The effects of EVA content on the electrical properties of LDPE were studied. The results on the electrical properties revealed that the surface resistance, volume resistivity, and breakdown voltage of the LDPE decrease with EVA content and reach a minimum at a 30 wt% of EVA. Dielectric constant and dielectric loss factor were increased with increasing EVA content up to 30 wt% of EVA. It can be deduced that the electrical properties of LDPE are improved by blending with EVA.

Keywords

Low Density Polyethylene, Ethylene Vinyl Acetate, Dielectric Properties, Breakdown Voltage.
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  • Effect of EVA Content upon the Dielectric Properties in LDPE-EVA Films

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Authors

Hojjat Amrollahi
Department of Physics, Yazd University, Yazd, Iran, Islamic Republic of
Mahmood Borhani
Imam Javad University College, Yazd, Iran, Islamic Republic of

Abstract


Low density polyethylene (LDPE) blends with different percentages of ethylene vinyl acetate polymer membranes were prepared by a hot press casting method. The effects of EVA content on the electrical properties of LDPE were studied. The results on the electrical properties revealed that the surface resistance, volume resistivity, and breakdown voltage of the LDPE decrease with EVA content and reach a minimum at a 30 wt% of EVA. Dielectric constant and dielectric loss factor were increased with increasing EVA content up to 30 wt% of EVA. It can be deduced that the electrical properties of LDPE are improved by blending with EVA.

Keywords


Low Density Polyethylene, Ethylene Vinyl Acetate, Dielectric Properties, Breakdown Voltage.