Molecular Mechanism of Sol -Gel Transformation
| Project Area | Creation of non-equilibrium soft matter physics: Structure and dynamics of mesoscopic systems |
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| Project/Area Number |
18068010
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | Kyoto University |
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Principal Investigator |
TANAKA Fumihiko Kyoto University, 大学院・工学研究科, 教授 (50107695)
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| Co-Investigator(Kenkyū-buntansha) |
KOGA Tsuyoshi 京都大学, 大学院・工学研究科, 准教授 (80303866)
KANEDA Isamu 酪農学園大学, 酪農学部, 教授 (30458129)
INDEI Tsutomu 京都大学, 福井謙一記念研究センター, 研究員 (30420409)
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| Project Period (FY) |
2006 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥41,700,000 (Direct Cost: ¥41,700,000)
Fiscal Year 2010: ¥4,100,000 (Direct Cost: ¥4,100,000)
Fiscal Year 2009: ¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2008: ¥4,000,000 (Direct Cost: ¥4,000,000)
Fiscal Year 2007: ¥16,500,000 (Direct Cost: ¥16,500,000)
Fiscal Year 2006: ¥13,500,000 (Direct Cost: ¥13,500,000)
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| Keywords | ゾル-ゲル転換 / ゲル化時間 / 協同水和 / 共貧溶媒性 / 競合的水素結合 / 組替え網目 / 歪み硬化 / 応力極大 / ゾル・ゲル転移 / 両末端疎水化(テレケリック)高分子 / 水和とミセル架橋 / 混合溶媒によるゾル・ゲル転移点の移動 / 組替えゲルの粘弾性 / 剪断流のシックニング現象 / 両末端会合性ゲル / ミセル架橋 / 水和とゲルの体積相転移 / 混合溶媒によるゾルゲル転移点の移動 / 剪断開始流 / 感熱性高分子 / 連鎖性水和 / 組換えネットワーク / 応力オーバーシュート / 小角中性子散乱 / ゾル・ゲル転換 / 水溶性感熱高分子 / 組み替え網目 / 疎水性凝集 / シェアシックニング / テレケリック会合高分子 |
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| Research Abstract |
The hydration model of water-soluble polymers is refined to cope with multilayer hydration, cooperative and competitive hydration, effect of stereoregularity and copolymerization in relation to LCST phase separation, sol-gel transition and volume phase transition of gels. Effect of cononsolvency in mixed solvents was clarified. Shear thickening, strain hardening, stress overshoot, banding and fracture of the networks of PNIPAM chains were studied on the basis of the transient network theory and their molecular mechanisms were clarified.
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Report
(7 results)
Research Products
(55 results)
