Cellular polypropylene-based piezoelectric films

Authors

  • Abouelkacem Qaiss,

    1. Canada Research Chair on Polymer Physics and Nanomaterials, Department of Chemical Engineering, Laval University, Ste-Foy, Québec, Canada G1K 7P4
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  • Hassan Saidi,

    1. Hassan II Academy of Science and Technology, Rabat, Morocco
    2. LPHE-Modélisation et Simulation, Faculté des Sciences, Université MV-Agdal, Rabat, Morocco
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  • Omar Fassi-Fehri,

    1. Hassan II Academy of Science and Technology, Rabat, Morocco
    2. Laboratoire de Physique et Mécanique des Matériaux, Faculté des Sciences, Université MV-Agdal, Rabat, Morocco
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  • Mosto Bousmina

    Corresponding author
    1. Canada Research Chair on Polymer Physics and Nanomaterials, Department of Chemical Engineering, Laval University, Ste-Foy, Québec, Canada G1K 7P4
    2. Hassan II Academy of Science and Technology, Rabat, Morocco
    • Canada Research Chair on Polymer Physics and Nanomaterials, Department of Chemical Engineering, Laval University, Ste-Foy, Québec, Canada G1K 7P4
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Abstract

Cellular polypropylene-calcium carbonate based piezoelectric films were obtained using biaxial stretching and gas-mediated inflation followed by a corona discharge treatment using home-made devices. The obtained results revealed a cellular structure that develops at the interface between the solid particles and the polymer matrix and the final piezoelectric coefficient was found to depend both on the gas pressure profile and on time. The inflation step gives better results when the gas pressure is increased in stepwise manner allowing the gas to adequately intrude the cavities and maintain the required pressure. The overall results are discussed in terms of processing conditions and in terms of the developed microstructure. POLYM. ENG. SCI., 2012. © 2012 Society of Plastics Engineers

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