BISMUTH LAYER COMPOUND-PIEZOELECTRIC POLYMER COMPOSITE

PURPOSE:To make it possible to facilitate plastic work and form piezo-electric elements in various shapes by dispersing bismuth layer compound powder into a piezo-electric polymer matrix comprising a copolymer of vinylidene fluoride and ethylene trifluoride. CONSTITUTION:A piezo-electric polymer, wh...

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Bibliographische Detailangaben
1. Verfasser:	KANEKO KAZUHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY GENERAL PROCESSES OF COMPOUNDING LIME, MAGNESIA METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To make it possible to facilitate plastic work and form piezo-electric elements in various shapes by dispersing bismuth layer compound powder into a piezo-electric polymer matrix comprising a copolymer of vinylidene fluoride and ethylene trifluoride. CONSTITUTION:A piezo-electric polymer, which is a copolymer comprising vinylidene and ethylene trifluoride is used as a matrix where 5 to 90wt.% of bismuth layer compound powder is dispersed into there. It is possible to use ordinary bismuth layer powder, which can be expressed with a general formula (MxBiy) Ti4O15. Since the polymer is used as a matrix, plastic work is available so that various-shaped piezo-electric elements may by formed easily. Furthermore, since the bismuth layer compound powder 2, which is plastic, is dispersed there, it is possible to increase its Young's modulus compared with a polymer simple substance and use the powder as an element, which demands strength, such as a pressure sensor.