The blended ion exchange membrane between Nafion and ethylene vinyl alcohol (EVOH) was used for fabrication of the ionic polymer–metal composite (IPMC) to redeem inherent drawbacks of Nafion such as high cost or environment-unfriendliness. EVOH solution was blended in Nafion solution by a volume ratio of 15 and 30 % membranes were prepared through solution casting method. The prepared blended Nafion membranes can be fabricated IPMCs with deposition of platinum electrode onto its surface without crack or delamination. The surface resistance of all prepared IPMCs is measured through 2 point probe. This study investigated the chemical structure and thermal properties of prepared membranes. Moreover, we characterized the cross-section morphology and studied the electromechanical performances (displacement and blocking force) of prepared IPMC actuators. The IPMC actuators with proposed blended Nafion membranes were demonstrated comparable electromechanical performance by significantly reducing the content of Nafion.
Taeseon Hwang, Jungsoo Nam, Qi Shen, Sarah Trabia, Jonghwan Suhr, Dong-Chan Lee, and Kwang Jin Kim, "Property modification of Nafion via polymer blending with ethylene vinyl alcohol "polyimide"
(Conference Presentation)," Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979820 (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 24, 2016; Published: 22 June 2016); https://doi.org/10.1117/12.2220448.4912052788001.
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