2010 Fiscal Year Final Research Report
Study of coupling between phase-growth dynamics and entanglement dynamics during phase separation process
| Project Area | Creation of non-equilibrium soft matter physics: Structure and dynamics of mesoscopic systems |
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| Project/Area Number |
18068009
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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 |
WATANABE Hiroshi Kyoto University, 化学研究所, 教授 (90167164)
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| Co-Investigator(Kenkyū-buntansha) |
INOUE Tadashi 大阪大学, 理学研究科, 教授 (80201937)
NISHIDA Kohji 京都大学, 化学研究所, 准教授 (80189290)
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| Project Period (FY) |
2006 – 2010
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| Keywords | 相溶性高分子ブレンド / 動的不均一性 / 粘弾性緩和 / 誘電緩和 / 絡み合い / 温度時 / 間換算則 / ブロック共重合体 |
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| Research Abstract |
In miscible polymer blends, the component concentration still fluctuates. The effects of this dynamic heterogeneity on the global dynamics of the component chains therein were investigated with viscoelastic and dielectric methods. It turned out that the dynamic heterogeneity is effectively quenched in the time scale of the relaxation of the fast component thereby providing this component with the thermo-rheological complexity and masking its entanglement plateau. The corresponding behavior was found also for block copolymers in a miscible state.
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[Journal Article] Effect of Polylactide Stereocomplex on theCrystallization Behavior of Poly(L-lactic acid)2009
Author(s)
N.Rahman, T.Kawai, G.Matsuba, K.Nishida, T.Kanaya, H.Watanabe, H.Okamoto, M.Kato, A.Usuki, M.Matsuda, K.Nakajima, N.Honma
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Journal Title
Macromolecules 42
Pages: 4739-4745
Peer Reviewed
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