ELECTRET MATERIAL AND INDUCTION CONVERSION ELEMENT

An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1):wher...

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Bibliographische Detailangaben
Hauptverfasser: TANAKA, Yoshito, MATSUURA, Makoto, YONEDA, Satoru, SUZUKI, Yuuki, OGATA, Akitoshi
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:An object of the present disclosure is to provide, for example, a fluoropolymer electret material with hardness. The present disclosure relates to an electret material comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1):wherein R1 to R4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group; and the fluoropolymer has a mass average molecular weight of 1 million or more and 5 million or less, or 5000 or more and less than 20000.