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Correlation between the temperature range of cooperativity and the fragility index in ion conducting polymers
http://hdl.handle.net/2298/15173
http://hdl.handle.net/2298/15173455cf2ec-b922-4dbb-a39a-47cec8226301
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
SSI 181(2010)16Manuscript-r.pdf (153.7 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2010-07-01 | |||||
| タイトル | ||||||
| タイトル | Correlation between the temperature range of cooperativity and the fragility index in ion conducting polymers | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題 | Fragility, Ion conducting polymer, Glass transition, Viscosity | |||||
| 資源タイプ | ||||||
| 資源タイプ | journal article | |||||
| 著者 |
Ndeugueu, Jean
× Ndeugueu, Jean× Aniya, Masaru× Ikeda, Masahiro |
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| 別言語の著者 |
安仁屋, 勝
× 安仁屋, 勝× Ikeda, Masahiro |
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| 内容記述 | ||||||
| 内容記述 | The effect of the plasticizer in the ion transport properties of a neat poly-(ethylene oxide), PEO-based ionomer, is investigated by the use of the bond strength–coordination number fluctuation (BSCNF) model of the viscosity. The plasticized forms of PEO-based ionomer considered contain 6 wt.% of six miscible solvents with a wide range of dielectric constants. Recently, based on a relationship derived from the BSCNF that reproduces accurately the Vogel–Fulcher–Tammann (VFT) equation, we have proposed an expression for the fragility index dependence of the normalized temperature range of cooperativity (Tc − Tk) / Tg, where Tk is the Kauzmann temperature and Tc is a crossover temperature that demarcates two distinct dynamical regimes (low-T and high-T) above the glass transition temperature Tg. In the present work, the scope of such an expression is extended to the study of some ion conducting polymers. The values of the fragility index of the materials in consideration here are calculated from the VFT equation. These values of the fragility index enable us to evaluate the characteristic parameters B* and C* of the BSCNF for each material sample. The excellent agreement of the theoretical expression with the experimental data implies that by contrasting the PEO-based ionomer with plasticized forms, the normalized temperature range of cooperativity remains VFT-like. This result reinforces the idea that although the ionic conductivity increases dramatically with plasticization, the mechanism of ion transport remains unchanged. | |||||
| 書誌情報 |
Solid State Ionics 巻 181, 号 1-2, p. 16-19, 発行年 2010-02-08 |
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| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 関連識別子 | 10.1016/j.ssi.2009.11.011 | |||||
| 権利 | ||||||
| 権利情報 | © 2009 Elsevier B.V. | |||||
| 情報源(ISSN) | ||||||
| 関連名称 | 01672738 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 形態 | ||||||
| 153696 bytes | ||||||
| 著者版フラグ | ||||||
| 出版タイプ | AM | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 420 | |||||
| 出版者 | ||||||
| 出版者 | Elsevier | |||||
| 資源タイプ | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 論文(Article) | |||||
| 資源タイプ・ローカル | ||||||
| 雑誌掲載論文 | ||||||
| 資源タイプ・NII | ||||||
| Journal Article | ||||||
| 資源タイプ・DCMI | ||||||
| text | ||||||
| 資源タイプ・ローカル表示コード | ||||||
| 01 | ||||||
| 著作の一部 | ||||||
| 関連名称 | http://www.elsevier.com/wps/find/journaldescription.cws_home/505677/description#description | |||||
| URL | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TY4-4XVHS3X-1&_user=4545557&_coverDate=02%2F08%2F2010&_rdoc=4&_fmt=high&_orig=browse&_srch=doc-info(%23toc%235608%232010%23998189998%231646094%23FLA%23display%23Volume)&_cdi=5608&_sort=d&_docanchor=&_ct=18&_acct=C000008298&_version=1&_urlVersion=0&_userid=4545557&md5=56a3fdf755aef57a185a2c0388c3f54c | |||||
