PIEZOELECTRIC MATERIAL COMPOSITION AND PIEZOELECTRIC MATERIAL

• Main Authors: MIZUMORI TOMOYA, MATSUYAMA TAKETOMO, KAHATA MASAYUKI, MAI DAISUKE
• Format: Patent
• Language: English; Japanese
• Published: 17.03.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a piezoelectric material that does not require a stretching step or a polling step.SOLUTION: A piezoelectric material composition includes a polymerizable monofunctional liquid crystal compound represented by the formula (I) [R1 represents a hydrogen atom or a methyl group, Spa represents a spacer group which is a divalent organic group, Cya represents a divalent organic group, including a structure in which two or more rings selected from the group consisting of an aromatic ring and an aliphatic ring which may have a substituent are bonded via a single bond or a linking group, X represents -CN, -OR2, -F, or -OH, where R2 represents an alkyl group with 1 to 6 carbon atoms], and a polymerizable bifunctional liquid crystal compound represented by the formula (II).SELECTED DRAWING: None 【課題】延伸工程又はポーリング工程が不要な圧電材料を提供する。【解決手段】式（Ｉ）：TIFF2022044150000031.tif3898［式（Ｉ）中、Ｒ１は、水素原子又はメチル基を表し；Ｓｐａは、２価の有機基であるスペーサー基を表し；Ｃｙａは、置換基を有していてもよい芳香族環及び脂肪族環からなる群から選択される２つ以上の環が、単結合もしくは連結基を介して結合された構造を含む、２価の有機基を表し；Ｘは、－ＣＮ、－ＯＲ２、－Ｆ又は－ＯＨを表す、ここでＲ２は炭素数１～６のアルキル基を表す］で表される重合性単官能液晶化合物と、式（ＩＩ）で表される重合性２官能液晶化合物とを含む。【選択図】なし