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Erschienen in: Cellulose 18/2023

20.11.2023 | Original Research

High tensile poly(vinyl alcohol)/Carboxymethyl cellulose sodium/Polyacrylamide/Borax dual network hydrogel for lifting heavy weight and multi-functional sensors

verfasst von: Yizhe Xu, Shuang Sun, Xieraili Maimaitiyiming

Erschienen in: Cellulose | Ausgabe 18/2023

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Abstract

In recent years, flexible wearable devices have become one of the most popular research topics due to their good elasticity and high sensitivity. However, traditional flexible sensors have poor mechanical performance and fatigue resistance, leading to the sensor being easily damaged. In this work, a dual-network interpenetrating structure was designed by mixing polyvinyl alcohol (PVA) and polyacrylamide (PAM) to form hydrogen bonds, which greatly improved the mechanical properties of the flexible sensors. In addition, the addition of Carboxymethyl cellulose sodium (CMC) and borax can make the mechanical properties of double network polymer hydrogel stronger, improving the tear resistance and adhesion. After testing, the PVA/CMC/PAM/Borax hydrogel has high stress (1.4 MPa), high break elongation (792%), great toughness (4.67 MJ/m3). Hydrogel sensors can be used not only for human motion detection, but also for temperature and humidity detection. In summary, PVA/CMC/PAM/Borax hydrogel is expected to be a new flexible wearable device with great potential in the field of flexible wearables.

Graphical Abstract

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Literatur
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Metadaten
Titel
High tensile poly(vinyl alcohol)/Carboxymethyl cellulose sodium/Polyacrylamide/Borax dual network hydrogel for lifting heavy weight and multi-functional sensors
verfasst von
Yizhe Xu
Shuang Sun
Xieraili Maimaitiyiming
Publikationsdatum
20.11.2023
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 18/2023
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-023-05548-3

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