The blended ion exchange membrane between Nafion and Polyimide (PI) was used for fabrication of the ionic polymer–metal composite (IPMC) not only to redeem inherent drawbacks of Nafion such as high cost or environment-unfriendliness but also to enhance mechanical properties of Nafion. PI solution was blended in Nafion solution by a volume ratio and membranes were prepared through solution casting method. The prepared blended Nafion membranes can be fabricated IPMCs with electroless plating of platinum electrode onto its surface. The surface resistance of all prepared IPMCs is measured through 2-point probe. This study investigated the chemical structure and mechanical properties of prepared blended membranes. Moreover, we characterized the cross-section morphology and studied the electromechanical performances (displacement and blocking force) of prepared IPMC actuators. The prepared IPMC actuators with blended Nafion membranes were demonstrated comparable electromechanical performance by significantly reducing the content of Nafion.
Taeseon Hwang, Jungsoo Nam, Dong-Chan Lee, and Kwang Jin Kim, "Property modification of nafion via polymer blending with polyimide (Conference Presentation)," Proc. SPIE 10163, Electroactive Polymer Actuators and Devices (EAPAD) 2017, 1016314 (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 28, 2017; Published: 10 May 2017); https://doi.org/10.1117/12.2261643.5427096926001.
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