Control of autonomous swelling-deswelling behavior for a polymer gel

Satoshi Nakamaru, Shingo Maeda, Yusuke Hara, Shuji Hashimoto

    Research output: Contribution to journalArticle

    40 Citations (Scopus)

    Abstract

    We succeeded in the wide-range control of the period for the swelling-deswelling self-oscillation of a novel polymer gel by selection of the initial concentration of the Belouzov-Zhabotinsky (BZ) substrates and the temperature. The novel polymer gel was composed of a non-thermoresponsive and biocompatible poly(vinylpyrrolidone) (PVP) main chain covalently bonded to the ruthenium catalyst for the BZ reaction. In this study, we clarified the influence of the initial concentration of the BZ substrates and the temperature on the period and the self-oscillating behavior. By optimizing the initial concentration of the BZ substrates, we caused the swelling-deswelling self-oscillation in 0.5 Hz. The maximum frequency (0.5 Hz) of the novel gel was 20 times as large as that for the conventional-type self-oscillating gel. Moreover, we showed that the displacement of the self-oscillation for the gel has a tradeoff relationship against the period of the selfoscillation.

    Original languageEnglish
    Pages (from-to)4609-4613
    Number of pages5
    JournalJournal of Physical Chemistry B
    Volume113
    Issue number14
    DOIs
    Publication statusPublished - 2009 Apr 9

    Fingerprint

    swelling
    Swelling
    Polymers
    Gels
    self oscillation
    gels
    polymers
    Substrates
    trajectory control
    Ruthenium
    tradeoffs
    ruthenium
    catalysts
    Temperature
    Catalysts
    temperature

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Materials Chemistry
    • Surfaces, Coatings and Films

    Cite this

    Control of autonomous swelling-deswelling behavior for a polymer gel. / Nakamaru, Satoshi; Maeda, Shingo; Hara, Yusuke; Hashimoto, Shuji.

    In: Journal of Physical Chemistry B, Vol. 113, No. 14, 09.04.2009, p. 4609-4613.

    Research output: Contribution to journalArticle

    Nakamaru, S, Maeda, S, Hara, Y & Hashimoto, S 2009, 'Control of autonomous swelling-deswelling behavior for a polymer gel', Journal of Physical Chemistry B, vol. 113, no. 14, pp. 4609-4613. https://doi.org/10.1021/jp811228y
    Nakamaru, Satoshi ; Maeda, Shingo ; Hara, Yusuke ; Hashimoto, Shuji. / Control of autonomous swelling-deswelling behavior for a polymer gel. In: Journal of Physical Chemistry B. 2009 ; Vol. 113, No. 14. pp. 4609-4613.
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