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Journal of Intelligent Material Systems and Structures
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Dry Electroactive Paper Actuator Based on Cellulose/Poly(Ethylene Oxide)—Poly(Ethylene Glycol) MicroComposite

Suresha K. Mahadeva

Centre for EAPap Actuator, Department of Mechanical Engineering, Inha University, Incheon 402-751, Korea

Sungryul Yun

Centre for EAPap Actuator, Department of Mechanical Engineering, Inha University, Incheon 402-751, Korea

Jaehwan Kim

Centre for EAPap Actuator, Department of Mechanical Engineering, Inha University, Incheon 402-751, Korea, jaehwan{at}inha.ac.kr

Cellulose Electroactive Paper (EAPap) is an attractive material to construct biomimetic actuators and MEMS devices due to its lightweight, biodegradability, large displacement, and low actuation voltage. However, the performance of the actuator is sensitive to humidity levels. In this article, cellulose/poly(ethylene oxide) (PEO)—poly(ethylene glycol) (PEG) microcomposites were fabricated for EAPap actuators working at ambient humidity condition, and the effect of different PEO : PEG ratios (0.95 : 0.05 to 0.99 : 0.01) on the actuation behavior was investigated. Based on the bending displacement, power consumption, and durability, 0.95 :0.05 ratio was identified as an optimum ratio of PEO : PEG to blend with cellulose for EAPap actuator. The actuation mechanism of the cellulose/PEO—PEG actuator was addressed.

Key Words: electroactive polymer • cellulose • poly(ethylene oxide)—poly(ethylene glycol) • bending actuator • durability.

This version was published on July 1, 2009

Journal of Intelligent Material Systems and Structures, Vol. 20, No. 10, 1141-1146 (2009)
DOI: 10.1177/1045389X09103222
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