Electret effect in compositions of trifluorochloroethylene-vinylidene fluoride random copolymer and aluminum powder has been studied. Addition of up to 4 vol.% aluminum powder was shown to increase electret potential difference due to formation of new charge carrier traps at copolymer-filled interface. Further filler addition slightly decreases fluoropolymer electret properties owing to electric conductivity growth.
фторопласт, алюминиевая пудра, коронный разряд, электрет, fluoropolymer, aluminum powder, corona discharge, electret
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