PIEZOELECTRIC MATERIAL AND COMPOSITION FOR PIEZOELECTRIC MATERIAL

• Main Authors: KABATA, Masayuki, MANAI, Daisuke, MIZUMORI, Tomoya
• Format: Patent
• Language: English; French; German
• Published: 06.10.2021
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The present invention relates to a piezoelectric material, comprising:a vinylidene fluoride/trifluoroethylene copolymer; anda (meth)acrylic polymer which contains a structural unit derived from a (meth)acrylic monomer represented by Formula (I):[wherein,R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, wherein at least one hydrogen atom of R1 is optionally substituted with a halogen atom; andR2 represents a linear or branched alkyl group having 1 to 10 carbon atoms, an alicyclic hydrocarbon group having 3 to 12 carbon atoms which contains an alicyclic structure having 3 to 6 carbon atoms, a phenyl group, or a phenylalkylene group which contains an alkylene group having 1 to 4 carbon atoms,wherein,at least one carbon atom of the alkyl group, the alicyclic hydrocarbon group, the phenyl group, and the phenylalkylene group is optionally substituted with -O-, - N-, or -S-,