Polyvinyl alcohol/chitosan based nanocomposite organohydrogel flexible wearable strain sensors for sports monitoring and underwater communication rescue

Li, Zhenchun; Liu, Peng; Chen, Shaowei; Wang, Bingzhen; Liu, Shiyuan; Cui, Enyuan; Li, Feihong; Yu, Yunwu; Pan, Wenhao; Tang, Ning; Gu, Yaxin

doi:10.1016/j.ijbiomac.2023.129054

International Journal of Biological Macromolecules

2024

DOI: 10.1016/j.ijbiomac.2023.129054

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Polyvinyl alcohol/chitosan based nanocomposite organohydrogel flexible wearable strain sensors for sports monitoring and underwater communication rescue

Zhenchun Li,

Peng Liu,

Shaowei Chen

et al.

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2024

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Cited by 8 publications

References 42 publications

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High tough, self‐adhesive, conductive double network hydrogel for flexible strain sensors

Li,

Liu,

et al. 2024

Journal of Polymer Science

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The application of adhesive conductive hydrogel materials in flexible sensors has been extensively studied. However, existing adhesive hydrogel sensor materials have problems such as poor adhesion, low conductivity, and difficulty in balancing mechanical and adhesive properties, which limit their practical applications. In this study, we propose a simple and economical method to fabricate double‐network hydrogels for flexible strain sensors by dissolving acrylamide (AM), chitosan (CS), polyethylene glycol (PEG) and gelatin (Gel) in a mixed solvent of deionized water and a food‐grade phosphate. The prepared AM/CS/PEG/Gel (ACPG) hydrogel exhibits excellent toughness (maximum stress of 154 kPa, maximum elongation of 2256%), self‐adhesiveness (maximum adhesion strength to wood of 17.2 kPa), and high conductivity (2.33 S/m). Compared with similar adhesive hydrogels, the conductivity of ACPG hydrogel is significantly improved. Therefore, ACPG hydrogel can be used as an ideal material for flexible sensors, and has broad application potential in wearable devices and human‐computer interaction.

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High tough, self‐adhesive, conductive double network hydrogel for flexible strain sensors

Li,

Liu,

et al. 2024

Journal of Polymer Science

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Highly Tough, Freeze-Resistant, Sensitive, and Recyclable Starch-based Multifunctional Hydrogel Flexible Wearable Sensor for Human Motion Monitoring

Cui,

Liu,

et al. 2024

J Polym Environ

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Fabrication of highly stretchable composite organohydrogel for strain sensors with high sensitivity and broad temperature tolerance

Wang,

Liu

et al. 2024

Applied Materials Today

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Polyvinyl alcohol/chitosan based nanocomposite organohydrogel flexible wearable strain sensors for sports monitoring and underwater communication rescue

Cited by 8 publications

References 42 publications

High tough, self‐adhesive, conductive double network hydrogel for flexible strain sensors

High tough, self‐adhesive, conductive double network hydrogel for flexible strain sensors

Highly Tough, Freeze-Resistant, Sensitive, and Recyclable Starch-based Multifunctional Hydrogel Flexible Wearable Sensor for Human Motion Monitoring

Fabrication of highly stretchable composite organohydrogel for strain sensors with high sensitivity and broad temperature tolerance

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