Piezoelectric Characteristics of Chiral Polymer Composite Films Obtained under Strong Magnetic Field
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概要
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It is difficult to obtain a drawn chiral polymer/inorganic material composite membrane with shear piezoelectricity by the conventional method because the chiral polymer/inorganic material composite membrane breaks during the drawing process by which shear piezoelectricity is realized. Using a strong magnetic field, we propose to manufacture a drawn composite membrane of poly-l-lactic acid (PLLA), a chiral polymer, and hydroxyapatite (Hap), an inoroganic material (PLLA/Hap composite membrane). The manufacturing method used here is effective for obtaining a drawn PLLA/Hap composite membrane with a large uniform area. Also, the shear piezoelectric constant of the drawn PLLA/Hap composite membrane is about 20 pC/N. This value is large for piezoelectric polymers.
- 2005-09-15
著者
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ISHIZUKA Masayuki
Sumitomo Heavy Industry Co., Ltd.
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OKAMOTO Satoshi
Sumitomo Chemical Co., Ltd.
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Nakiri Takuo
Graduate School Of Engineering Kansai University
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Morimoto Yu
Graduate School Of Environmental Science Okayama University
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Tajitsu Yoshiro
Graduate School of Electrical Engineering, Kansai University, Suita, Osaka 564-8680, Japan
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Okuno Masaki
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Maki Nobuyuki
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Kanasaki Masayoshi
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Fukuda Kazuyuki
Mitsui Chemicals Co., Ltd., 580-32 Nagaura, Sodegaura, Chiba 299-0265, Japan
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Takaki Toshihiko
Mitsui Chemicals Co., Ltd., 580-32 Nagaura, Sodegaura, Chiba 299-0265, Japan
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Ishizuka Masayuki
Sumitomo Chemical Co., Ltd., 6 Kitahara, Tsukuba, Ibaraki 300-3294, Japan
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Morimoto Yu
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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