2010 Fiscal Year Final Research Report
Dominant factors influencing dielectric properties in several biodegradable polymers
| Project/Area Number |
20360146
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Electronic materials/Electric materials
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| Research Institution | Waseda University |
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Principal Investigator |
OHKI Yoshimichi Waseda University, 理工学術院, 教授 (70103611)
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| Co-Investigator(Kenkyū-buntansha) |
TANAKA Toshikatsu 早稲田大学, 情報生産システム研究科, 教授 (50253539)
SOTA Takayuki 早稲田大学, 理工学術院, 教授 (90171371)
HIRAI Naoshi 早稲田大学, 理工学術院, 講師 (30329122)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 生分解性高分子 / テラヘルツ分光 / 誘電特性 / 電気絶縁 / ポリ乳酸 / 絶縁材料 / フォトルミネセンス |
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| Research Abstract |
For typical biodegradable polymers, namely, polyethylene terephthalate succinate, polybutylene succinate, polycaprolactone, polybutylene succinate adipate, polybutylene adipate terephthalate, starch ester, and poly-L-lactic acid, effects of the crystal structure on their dielectric properties were examined by conducting advanced measurements such as photoluminescence using synchrotron radiation, terahertz time domain spectroscopy, and numerical calculations using density functional theory. As a result, much knowledge was obtained on the dominant factors influencing the dielectric properties of biodegradable polymers. This will greatly contribute to the development of eco-friendly dielectric materials.
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