Protocol for the fabrication and application of a low-water-content polyelectrolyte hydrogel
Zihang Shen1, Zheyu Dong1, Jiabao Bai1
1State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China.
None:
Hydrogels are prone to dehydration over prolonged use, leading to changes in their properties. Inspired by the human skin's stratum corneum, we present a protocol for the fabrication and application of a low-water-content polyelectrolyte hydrogel (L-hydrogel) that maintains mechanical and electrical properties over time. We describe steps for preparing a hygroscopic monomer through an ionic exchange reaction and a low-water-content hydrogel by UV crosslinking reaction and testing the material behaviors of L-hydrogel. We then detail procedures for preparing and testing L-hydrogel-based devices. For complete details on the use and execution of this protocol, please refer to Shen et al.1.
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