| Project/Area Number |
26288100
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Polymer/Textile materials
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| Research Institution | University of Toyama |
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Principal Investigator |
Kitano Hiromi 富山大学, 大学院理工学研究部(工学), シニアアドバイザー (40115829)
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| Co-Investigator(Renkei-kenkyūsha) |
NAKAJI Tadashi (HIRABAYASHI Tadashi) 富山大学, 大学院理工学研究部(工学), 准教授 (10543217)
GEMMEI Makoto (IDE Makoto) 富山大学, 大学院理工学研究部(工学), 准教授 (70334711)
NOGUCHI Hidenori 独立行政法人物質・材料研究機構, エネルギー・環境材料研究拠点, 主席研究員 (60374188)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2014: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
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| Keywords | 水分子の配向 / 電荷中和 / 高分子イオンコンプレックス / 双性イオン型高分子 / 両性高分子 / 和周波発生法 / 蛍光相関分光法 / 和周波発生報 / 高分子コンプレックス / 天然高分子 / 高分子－水界面 / 生体適合性高分子 / 生体物質挙動 / 振動分光法 / 生体適合性 / 水の構造 / 高分子表面 |
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| Outline of Final Research Achievements |
Using sum frequency generation (SFG) spectroscopy, it was found that water molecules in the vicinity of zwitterionic and charge-neutralized polymer materials are not largely oriented in comparison with those in the vicinity of lopsidedly charged polymer materials. Taking account of excellent anti-coagulant and biocompatible properties of the zwitterionic and charge-neutralized polymer materials, the absence or drastic reduction of the orientation of vicinal water molecules is suggested to be very essential for the bio-inertness of polymer materials. Furthermore, using the temperature-variable infrared spectroscopy and molecular dynamics, it was found that the so-called recrystallization phenomena observed in the water-saturated anti-coagulant polymer materials such as poly(2-methoxyethyl acrylate) (PMEA) are not dominated by the reorientation but the diffusion process of water molecules within the polymer materials.
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