Dielectric Relaxation of Type-A Rouse Chains Undergoing Reversible End-Adsorption and Desorption

• Zhao Xinyang

  Department of Polymer Science and Engineering, Shanghai Jiao Tong University

• Yu Wei

  Department of Polymer Science and Engineering, Shanghai Jiao Tong University

• 松宮 由実

  Institute for Chemical Research, Kyoto University

• 渡辺 宏

  Institute for Chemical Research, Kyoto University

• Kwon Youngdon

  School of Chemical Engineering, Sungkyunkwan University

抄録

Theoretical analysis was made for dielectric relaxation of model chains, linear Rouse chains having type-A dipoles and being end-adsorbed (tethered) and desorbed at equilibrium, with an attempt to find a clue for investigation of the adsorbed chain dynamics in polymer nanocomposites. Expanding the bond vector of those chains with respect to the Rouse eigenfunctions, we obtained analytical expressions of the normalized complex dielectric permittivity and the first-moment average relaxation time of those chains. The adsorbed and desorbed chains, respectively, were found to exhibit retarded and accelerated relaxation due to motional coupling activated by their mutual conformation transfer.

収録刊行物

• 日本レオロジー学会誌

  日本レオロジー学会誌 48 (1), 27-35, 2020-02-14

  一般社団法人 日本レオロジー学会

キーワード

• Reversible end-adsorption
• Rouse dynamics
• Type-A dipole
• Dielectric relaxation

詳細情報

• CRID: 1390565134835230976
• NII論文ID: 130007808443
• NII書誌ID: AN00198812
• DOI: 10.1678/rheology.48.27
• ISSN: 21864586
• ISSN: 03871533
• NDL書誌ID: 030269902
• Web Site: http://id.ndl.go.jp/bib/030269902
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I030269902
• Web Site: https://www.jstage.jst.go.jp/article/rheology/48/1/48_27/_pdf
• 本文言語コード: en
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