The effect of ionic membrane properties on the performance of ionic polymer-metal composite (IPMC) actuator

Jae Young Jho; Man J. Han; Jong H. Park; Jang Y. Lee; Hyuck S. Wang

doi:10.1117/12.599558

6 May 2005 The effect of ionic membrane properties on the performance of ionic polymer-metal composite (IPMC) actuator

Jae Young Jho, Man J. Han, Jong H. Park, Jang Y. Lee, Hyuck S. Wang

Proceedings Volume 5759, Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD); (2005) https://doi.org/10.1117/12.599558
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2005, San Diego, California, United States

Abstract

On purpose to overcome the limit of conventional ionic polymer-metal composites (IPMC) using the commercial ionic membranes, novel IPMCs with radiation-grafted ion-exchange membranes were prepared. Poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-co-HFP) and poly(ethylene-co-tetrafluoroethylene) (ETFE) were radiation-grafted with styrene, and then sulfonated. The properties of the membranes were modulated by controlling the amount of polystyrene sulfonic acid (PSSA) groups in the membranes. The amount of PSSA groups were tuned by controlling the total absorbed dose of γ-ray. The membranes were characterized by measuring the water-uptake, the ion-exchange capacity, and the ion conductivity. The performance of the IPMCs using these membranes were analyzed with laser displacement meter. They exhibited much larger bending displacement in comparison with Nafion-based IPMC. With increasing the amount of PSSA groups, the maximum displacement and the bending speed were remarkably increased. The results made sure that the property of ion-exchange membrane was the key element affecting the actuation performance of IPMC.

Citation Download Citation

Jae Young Jho, Man J. Han, Jong H. Park, Jang Y. Lee, and Hyuck S. Wang "The effect of ionic membrane properties on the performance of ionic polymer-metal composite (IPMC) actuator", Proc. SPIE 5759, Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD), (6 May 2005); https://doi.org/10.1117/12.599558

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