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Molecular Mobility of Soft Segment of Polyurethane Elastomers under Elongation
http://hdl.handle.net/10069/22218
http://hdl.handle.net/10069/222189b36e08e-7862-4d46-a35d-238b52227ff7
名前 / ファイル | ライセンス | アクション |
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AIPCP1027_1345.pdf (516.8 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2009-10-06 | |||||
タイトル | ||||||
タイトル | Molecular Mobility of Soft Segment of Polyurethane Elastomers under Elongation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Polyurethane | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Glass Transition Temperature | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Elongation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
Kojio, Ken
× Kojio, Ken× Shimada, Makoto× Motokucho, Suguru× Furukawa, Mutsuhisa× Co, Albert× Leal, Gary L.× Colby, Ralph H.× Giacomin, A. Jeffrey |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Abstract. In this study, we investigated molecular mobility of a soft segment in the poly(oxypropylene) glycol (PPG), 4,4'-diphenylmethane diisocyanate (MDI) and 1,4-butane diol (BD)-based polyurethane elastomers (PUE) with and without elongation by dynamic viscoelastic property measurement and pulse nuclear magnetic resonance (NMR) measurement. The peak position of the loss tangent (tand) curves shifted to the lower temperature region with increasing elongation. In the pulse NMR measurement, the long spin-spin relaxation time {T2) component appeared at -18.0 (e = 0) and -26.0 °C (e =1.5), respectively, with increasing temperature. Since this temperature seems to be related to the glass transition temperature (Jg) of the soft segment in the PUE, it is likely to consider that the Tg decreased with increasing strain. These results might be attributed that the size of cooperative motion during the glass transition decrease due to the orientation of the soft segment, and the soft segment phase approach to a pure phase on account of the extraction of the hard segment from the soft segment phase. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting : Monterey (California), 3?8 August 2008 | |||||
書誌情報 |
AIP Conference Proceedings 巻 1027, p. 1345-1347, 発行日 2008-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0094243X | |||||
ISBN | ||||||
識別子タイプ | ISBN | |||||
関連識別子 | 978-0-7354-0549-3 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00502977 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.2964568 | |||||
権利 | ||||||
権利情報 | Copyright (2008) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. | |||||
権利 | ||||||
権利情報 | The following article appeared in AIP Conf. Proc. 11027, 1345 (2008), and may be found at http://link.aip.org/link/?APCPCS/1027/1345/1 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | AIP Conference Proceedings, 1027, pp.1345-1347; 2008 |