Process for manufacturing a piezo- or pyroelectric polymer material comprising a cross-linking step
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United States of America Patent
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Jun 4, 1985
Grant Date -
N/A
app pub date -
Oct 20, 1983
filing date -
Oct 22, 1982
priority date (Note) -
Expired
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Abstract
The invention relates to piezoelectric or pyroelectric polymer materials. It provides a process for manufacturing these materials comprising pressing polymer pellets while heating, dipping the obtained sheets in water, stretching the sheets, electrically polarizing the sheets by applying between the two faces of the sheets an electric orientation field, irradiating the sheets to obtain crosslinking and reheating the sheets.
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