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Ferroelectrics

Volume 273, Issue 1, 2002

Dielectric Behavior in an Oriented β-PVDF Film and Chain Reorientation Upon Transverse Mechanical Deformation

Dielectric Behavior in an Oriented β-PVDF Film and Chain Reorientation Upon Transverse Mechanical Deformation

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DOI:
10.1080/00150190211756
S. Lanceros-Mendeza, M. V. Moreiraa, J. F. Manob, V. H. Schmidtc & G. Bohannanc

pages 15-20

Available online: 01 Oct 2010
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Films of semicrystalline poly(vinylidene fluoride) (PVDF) in the g -phase have been studied by means of dielectric measurements and Fourier Transform Infrared Spectroscopy (FTIR). The main goal of the study was to compare the dielectric relaxations of f - and g -PVDF and to improve the understanding of the structural changes that occur in g -PVDF during a mechanical deformation process and their impact in the electromechanical properties of the polymer. A reorientation of the chains and a decrease in the degree of crystallinity with increasing deformation was observed.

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  • Available online: 01 Oct 2010

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Author affiliations

  • a Dept. de Física, Universidade do Minho, Braga, 4710-057, Portugal
  • b Dept. of Polymer Eng., Univ. of Minho, Guimarães, 4800-058, Portugal
  • c Dept. of Physics, Montana State University, Bozeman, MT, 59717, USA

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