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Polymer Phase-Transition Behavior Driven by a Charge-Transfer Interaction

Authors

  • Shogo Amemori,

    1. Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810 (Japan)
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  • Dr. Kenta Kokado,

    1. Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810 (Japan)
    2. Department of Chemistry, Graduate School of Science, Hokkaido University (Japan)
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  • Prof. Dr. Kazuki Sada

    Corresponding author
    1. Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810 (Japan)
    2. Department of Chemistry, Graduate School of Science, Hokkaido University (Japan)
    • Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-0810 (Japan)
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  • We thank the Creative Research Institution of Hokkaido University for elemental analysis and electron spray ionization mass spectroscopy. This work was supported by Grant-in-Aid for Scientific Research (23350048).

Abstract

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Cool down and get it together! The lower critical solution temperature (LCST) behavior of a polymer containing pyrene units was controlled by a charge-transfer (CT) interaction with an electron-accepting effector (see picture). The appearance of CT bands enabled quantitative evaluation of the thermodynamics of the association.

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