Corona electrets based on compositions of low density polyethylene and zinc oxide have been studied. Addition of zinc oxide up to 6 vol.% to low density polyethylene increases its electret properties by 10 – 20 %. It occurs due to appearance of injected charge carriers traps at the “polymer-filler” interface boundary that have high capture energy. Production of electret items was shown to be feasible directly from electret polymer composite films or plates using common processing techniques: vacuum, blow or impact molding.
Полиэтилен, оксид цинка, короноэлектрет, инжектированные носители заряда, polyethylene, zinc oxide, corona electret, injected charge carriers
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