High performance polyvinylidene fluoride films prepared by solid-state coextrusion

T. Furukawa, K. Kano, Y. Takahashi, K. Nakamura, T. Kanamoto

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)

Abstract

High performance polyvinylidene fluoride films were successfully obtained by solid-state coextrusion of dry gel films to an extrusion draw ratio of 9. They exhibit square D-E hysteresis loops with remanent polarization 100mC/m2. The electromechanical coupling coefficient determined by thickness extensional mode piezoelectric resonance reaches 0.27. These values are 60% greater than those obtained for conventional uniaxially-drawn PVDF films. The electromechanical data taken over a broad temperature range are presented and the factors that achieve high performance are discussed.

Original languageEnglish
Pages371-374
Number of pages4
Publication statusPublished - 1 Dec 2002
Event11th International Symposium on Electrets - Melbourne, VIC., Australia
Duration: 1 Oct 20023 Oct 2002

Conference

Conference11th International Symposium on Electrets
Country/TerritoryAustralia
CityMelbourne, VIC.
Period1/10/023/10/02

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