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Tailored biomimetic actuators made with multiwalled carbon nanotube loaded ionomeric nanocomposites  

Lee, Se-Jong (Department of Advanced Materials Engineering, Kyungsung University)
Lee, Deuk-Yong (Department of Materials Engineering, Daelim College of Technology)
Lee, Myung-Hyun (Next Generation Enterprise Group, KICET)
Kim, Bae-Yeon (Department of Advanced Materials Engineering, University of Incheon)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.15, no.3, 2005 , pp. 108-113 More about this Journal
Abstract
Biomimetic actuators that can produce soft-actuation but large force capability are of interest. Nafion, an effective ionomeric material from DuPont, has been shown to produce large deformation under low electric fields (<10V/mm). Carbon nanotube/polymer nanocomposites were cast to enhance the electromechanical properties of the composites. Multiwalled carbon nanotube (M-CNT)/Nafion nanocomposites were prepared by a solution casting to investigate the effect of M-CNT loading in the range of 0 to 7 wt% on electromechanical properties of the M-CNT/Nafion nanocomposites. The measured elastic modulus and actuation force of the M-CNT/Nafion nanocomposites are drastically different, showing larger elastic modulus and improved electromechanical coupling, from the one without M-CNT.
Keywords
Nafion; Multiwalled carbon nanotube; IPMC; Nanocomposite;
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