Vol.9 No.3 2017

Research paper : Development of human-friendly polymeric actuators based on nano-carbon electrodes (Kinji Asaka)−122−Synthesiology - English edition Vol.9 No.3 (2017) 8 Current status of the polymeric actuator technology using nanocarbons and future prospectsFor the practical issues of durability and reliability of the actuator that became apparent through the braille display project, many issues were solved through the NEDO grant and corporate joint research after the completion of the MHLW project. As a result, we succeeded in developing polymeric actuators using nanocarbons that are applicable to various kinds of utilization.[14]In the future, we wish to realize the application to thin and light devices using this actuator element, as well as the development of a robot actuator such as Power Assist by upscaling through the development of stacking technology.AcknowledgementsThe contents presented in this paper are the results of joint research with the following people. I express my gratitude.Professor Takanori Fukushima (Tokyo Institute of Technology); Professor Takuzo Aida (the University of Tokyo); Ms. Atsuko Kosaka (Tokyo Institute of Technology); Dr. Kenji Kiyohara, Dr. Takushi Sugino, Dr. Naohiro Terasawa, Dr. Ken Mukai, Mr. Ichiro Takeuchi, Dr. Kenji Hata, and Dr. Don Futaba (AIST); Sendai R&D Center, Alps Electric Co., Ltd.; Professor Takao Someya (the University of Tokyo); Professor Tsuyoshi Sekitani (Osaka University); Professor Yasushi Nakano and Mr. Tetsuya Arai (Keio University).This paper includes parts of the results obtained through the grant from the following projects: NEDO R&D for the Utilization of Nanotech and Advanced Material (2006–2008); FY 2009 MHLW R&D Project for Service and Support for Persons with Disabilities; FY 2010 MHLW R&D Project for Service and Support for Persons with Disabilities; and NEDO Project for the Development of Innovative Carbon Nanotube Composite Materials to Realize Low Carbon Society (2012–2014).References[1]K. Asaka and H. Okuzaki (eds.): Soft Actuators: Materials, Modeling, Applications and Future Perspectives, Springer, Tokyo (2014).[2]K. Asaka and K. Oguro: Chap. 5 IPMC actuator: fundamentals, Biomedical Applications of Electroactive Polymer Actuators [F. Carpi and E. Smela (eds.)], Wiley (2009).[3]K. Asaka and K. Oguro: Chap. 6 Active microcatheter and biomedical soft devices based on IPMC actuators, Biomedical Applications of Electroactive Polymer Actuators [F. Carpi and E. Smela (eds.)], Wiley (2009).[4]R. H. Baughman, C. Cui, A. A. Zakhidov, Z. Iqbal, J. N. Barisci, G. M. Spinks, G. G. Wallace, A. Mazzoldi, D. De Rossi, A. G. Rinzler, O. Jaschinski. S. Roth and M. Kertesz: Carbon nanotube actuators, Science, 284 (5418), 1340–1344 (1999).[5]T.W. Ebbesen, H. J. Lezec, H. Hiura, J. W. Bennett, H. F. Ghaemi and T. Thio: Electrical conductivity of individual carbon nanotubes, Nature, 382, 54–56 (1996).[6]M. R. Falvo, G. J. Clary, R. M. Taylor II, V. Chi, F. P. Brooks Jr, S. Washburn and R. Superne: Bending and buckling of carbon nanotubes under large strain, Nature, 389, 582–584 (1997).[7]S. Shiraishi, H. Kurihara, K. Okabe, D. Hulicova and A. Oya: Electric double layer capacitance of highly pure single-walled carbon nanotubes (HiPcoTM BuckytubesTM) in propylene carbonate electrolytes, Electrochem. Commun., 4 (7), 593–598 (2002).[8]T. Fukushima, A. Kosaka, Y. Ishimura, T. Yamamoto, T. Takigawa, N. Ishii and T. Aida: Molecular ordering of organic molten salts triggered by single-walled carbon nanotubes, Science, 300 (5628), 2072–2074 (2003).[9]K. Asaka, T. Fukushima, T. Aida and A. Ogawa: Patent No. 4038685 Actuator soshi (actuator element), patent application Dec 8, 2003; registration Nov 16, 2007 (in Japanese).[10]T. Fukushima, K. Asaka, A. Kosaka and T. Aida: Fully plastic actuator through layer-by-layer casting with ionic-liquid-based bucky gel, Angew. Chem. Int. Ed., 44 (16), 2410–2413 (2005).[11]K. Asaka, K. Mukai, T. Sugino and K. Kiyohara: Ionic electroactive polymer actuators based on nano-carbon electrodes, Polym. Int., 62 (9), 1263–1270 (2013).[12]Ministry of Health, Labour and Welfare: Heisei 21 Nendo Shogaisha Jiritsu Shien Kiki to Kenkyu Kaihatsu Project —Keitai denwa no ryomen nimo sochaku kano na keiryo de usui (ususa 1 mm) tenji device no kaihatsu hokokusho [“Development of light and thin (1 mm thickness) braille device that can be installed on both sides of cell phones,” Report of FY 2009 R&D Project for Service and Support for Persons with Disabilities] (2010), http://www.mhlw.go.jp/bunya/shougaihoken/cyousajigyou/jiritsushien_project/seika/S04Report/Report_Mokuji04.htm, accessed 2010-04-01 (in Japanese).[13]Ministry of Health, Labour and Welfare: Heisei 22 Nendo Shogaisha Jiritsu Shien Kiki To Kenkyu Kaihatsu Sokushin Jigyo—“Denshi tenji tosho hakujo (B5 teido) no tenji display” ni kansuru kaihatsu [“Development of braille display for thin (about B5 size) electronic braille book,” Report of FY 2010 R&D Project for Service and Support for Persons with Disabilities] (2011), http://www.mhlw.go.jp/bunya/shougaihoken/cyousajigyou/jiritsushienkiki/H22/S03/H22_seika-03.htm, accessed 2011-06-01 (in Japanese).[14]AIST (2013-08-23): Keiryo de shohi denryoku no sukunai nanocarbon kobunshi actuator o kaihatsu—Carbon nanotube o mochiite kotaikyusei kohojisei o jitsugen (Press Release: Development of nanocarbon polymer actuator that is light and has low power consumption—Realization of high durability and high retention using carbon nanotubes), https://www.aist.go.jp/aist_j/press_release/pr2013/pr20130823/pr20130823.html, accessed 2013-08-23 (in Japanese).

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