PIEZOELECTRIC COMPOSITES COMPRISING PIEZOELECTRIC PARTICLES COMPATIBILIZED WITH A POLYMER MATERIAL AND USE THEREOF IN ADDITIVE MANUFACTURING
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Mar 22, 2022
filing date -
Mar 22, 2022
priority date (Note) -
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Abstract
Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a polymer material comprising at least one thermoplastic polymer, at least one polymer precursor, or any combination thereof, and a plurality of piezoelectric particles dispersed in at least a portion of the polymer material. The piezoelectric particles may interact non-covalently with at least a portion of the polymer material, be covalently bonded to at least a portion of the polymer material, and/or be reactive with at least a portion of the polymer material. The compositions may be extrudable and formable into a self-standing three-dimensional structure upon being extruded. Additive manufacturing processes may comprise forming a printed part by depositing the compositions layer-by-layer.
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