Dynamics Gradient of Polymer Chains near a Solid Interface

Hung K. Nguyen, Shin Sugimoto, Asuka Konomi, Manabu Inutsuka, Daisuke Kawaguchi, Keiji Tanaka

研究成果: ジャーナルへの寄稿記事

抄録

The relaxation dynamics of polyisoprene (PI) and nitrile butadiene rubber (NBR) chains at the SiO2 interface were directly probed as a function of distance from the SiO2 surface using time-resolved evanescent wave-induced fluorescence anisotropy, dielectric relaxation spectroscopy, and sum-frequency generation spectroscopy. We found the presence of the dynamics gradient of chains in the interfacial region with the SiO2 surface and tried to assign it to the two kinds of adsorbed chains, namely, loosely and strongly adsorbed, at the interface. The segmental relaxation of chains in the strongly adsorbed layer at the interface could be slower than that of bulk chains by more than 10 orders.

元の言語英語
ページ(範囲)1006-1011
ページ数6
ジャーナルACS Macro Letters
8
発行部数8
DOI
出版物ステータス出版済み - 8 20 2019

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Polymers
Spectroscopy
Nitriles
Polyisoprenes
Dielectric relaxation
Rubber
Butadiene
Anisotropy
Fluorescence
1,3-butadiene

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

これを引用

Dynamics Gradient of Polymer Chains near a Solid Interface. / Nguyen, Hung K.; Sugimoto, Shin; Konomi, Asuka; Inutsuka, Manabu; Kawaguchi, Daisuke; Tanaka, Keiji.

:: ACS Macro Letters, 巻 8, 番号 8, 20.08.2019, p. 1006-1011.

研究成果: ジャーナルへの寄稿記事

Nguyen, Hung K. ; Sugimoto, Shin ; Konomi, Asuka ; Inutsuka, Manabu ; Kawaguchi, Daisuke ; Tanaka, Keiji. / Dynamics Gradient of Polymer Chains near a Solid Interface. :: ACS Macro Letters. 2019 ; 巻 8, 番号 8. pp. 1006-1011.
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