空気中で作動する導電性高分子アクチュエータ

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タイトル別名
  • Conducting Polymer Actuators Working in Air
  • クウキ チュウ デ サドウ スル ドウデンセイ コウブンシ アクチュエータ

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抄録

The combination of the electrical and hygroscopic properties of conducting polymers provided an insight into the development of a new class of electro-driven actuators or artificial muscle systems that worked in ambient air. The electrochemically synthesized polypyrrole films underwent dimensional change due to the sorption of water vapor, which was applied to polymer motors exhibiting a continuous rotation. Furthermore, the polypyrrole film contracted in air under an electric field; this contraction was associated with the desorption of water vapor due to the local Joule heating. Upon application of 2 V, the film generated a contractile stress of 6 MPa where the power density attained 0.8 W/kg under the load of 60g. The work capacity increased with the applied voltage and reached 48 kJ/m3 at 3V, while the degree of contraction was about 1%. On the other hand, the spring actuator fabricated in the manner of folding papers using PPy films exhibited reversible elongation of more than 30% in air under 2 V.

収録刊行物

  • 高分子論文集

    高分子論文集 62 (8), 362-372, 2005

    公益社団法人 高分子学会

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