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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

High-frequency shear viscosity and ionic mobility of solutions of polyethylene glycol in ionic liquids

http://hdl.handle.net/2237/00030690
http://hdl.handle.net/2237/00030690
3aad1933-717a-4a6a-a548-7347cc963917
名前 / ファイル ライセンス アクション
kikuzawa2.pdf kikuzawa2 (482.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-09-17
タイトル
タイトル High-frequency shear viscosity and ionic mobility of solutions of polyethylene glycol in ionic liquids
言語 en
著者 Yamaguchi, Tsuyoshi

× Yamaguchi, Tsuyoshi

WEKO 93473

en Yamaguchi, Tsuyoshi

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Kikuzawa, Takujiro

× Kikuzawa, Takujiro

WEKO 93474

en Kikuzawa, Takujiro

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Ionic liquid
キーワード
主題Scheme Other
主題 Polymer
キーワード
主題Scheme Other
主題 Shear viscosity
キーワード
主題Scheme Other
主題 Ionic mobility
キーワード
主題Scheme Other
主題 Rheology
抄録
内容記述 The frequency-dependent complex shear viscosity of the solutions of polyethylene glycol (PEG) in various ionic liquids is measured in the frequency range of 5–205 MHz, and the ionic mobility of the corresponding solutions was also determined. The plateau viscosity in the MHz regime increases on the addition of PEG, and the relaxation in the 100 MHz regime is retarded simultaneously. The amount of the increase in the plateau viscosity correlates with that in the relaxation time, suggesting that the retardation of the relaxation is a reason for the increase in the plateau viscosity. Although the increase in the plateau viscosity is far smaller than that in the zero-frequency viscosity, these two values are correlated with each other, which can be explained as the consequence of the strength of the same kind of the solute-solvent attractive interaction. The decrease in the molar ionic conductivity also correlates with the increase in the plateau viscosity, suggesting that the plateau viscosity can be regarded as the local viscosity of ionic liquids related to the ion conduction. Based on the correlation with the Kamlet-Taft α parameter, the hydrogen bond between the ionic liquid and the oxygen atoms of PEG is suggested to be a possible origin of the increase in the plateau viscosity.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2021-06-15
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.molliq.2019.04.015
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0167-7322
書誌情報 en : Journal of Molecular Liquids

巻 284, p. 252-257, 発行日 2019-06-15
著者版フラグ
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