3D printing of ion-conductive and self-healing hydrogels for customized wearable sensors

Wenbo Wang; Siying Liu; Luyang Liu; Xiangfan Chen

doi:10.1117/12.2629734

18 April 2022 3D printing of ion-conductive and self-healing hydrogels for customized wearable sensors

Wenbo Wang, Siying Liu, Luyang Liu, Xiangfan Chen

Proceedings Volume PC12045, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2022; PC120450B (2022) https://doi.org/10.1117/12.2629734
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

Conductive self-healing (SH) hydrogels have been receiving significant attention benefiting from the behavior of living tissue to improve the design of health monitoring systems and soft robotics with the ability of repairing damages autonomously. Herein, we propose a novel approach of high-resolution 3D printing of ion-conductive SH hydrogel realized by high-speed continuous printing of interpenetrating polymer network (IPN) hydrogel based on physical crosslinking of poly(vinyl alcohol) combined with chemical/ionic crosslinking of acrylic acid and ferric chloride. The 3D printed hydrogel can fully recover the mechanical properties after 12 h without any external stimulus, and the ionic conductivity enables strain and pressure sensing capabilities.

Conference Presentation

Citation Download Citation

Wenbo Wang, Siying Liu, Luyang Liu, and Xiangfan Chen "3D printing of ion-conductive and self-healing hydrogels for customized wearable sensors", Proc. SPIE PC12045, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2022, PC120450B (18 April 2022); https://doi.org/10.1117/12.2629734

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