Lignin-based adaptable covalently cross-linked fabric for flexible sensors

Xiaozhen Ma; Xiaolin Wang; Honglong Zhao; Minghui Cui; Xiaobo Xu; Fangfang Kong; Peng Chen; Ning Yan; Jin Zhu; Jing Chen

doi:10.1039/D4QM00286E

Lignin-based adaptable covalently cross-linked fabric for flexible sensors†

Xiaozhen Ma,^ab Xiaolin Wang,^b Honglong Zhao,^ab Minghui Cui,^b Xiaobo Xu,

^b Fangfang Kong,^ab Peng Chen,*^b Ning Yan,*^c Jin Zhu^b and Jing Chen

*^b

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* Corresponding authors

^a University of Chinese Academy of Sciences, Beijing 100049, P. R. China

^b Key Laboratory of Bio-Based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
E-mail: pchen@nimte.ac.cn, chenjing@nimte.ac.cn

^c Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, ON M5S 3E5, Canada
E-mail: ning.yan@utoronto.ca

Abstract

In this study, we successfully upcycled a novel lignin-based covalent adaptable polyurethane elastomer (LPUE) that we previously synthesized into a graphene-composited covalent adaptable lignin-based polyurethane fabric (LPUF). This fabric exhibited outstanding solvent resistance, toughness (LPUF-0 with a tensile strength of 29.1 ± 1.6 MPa, an elongation at break of 653 ± 67%, and a toughness of 103 ± 3.8 mJ m⁻³), and deformation responsiveness. These results not only open up new possibilities for improving covalently adaptable networks in fabrics, but also pave the way for developing solvent-resistant, wearable sensing devices.

Materials Chemistry Frontiers

Lignin-based adaptable covalently cross-linked fabric for flexible sensors†

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Lignin-based adaptable covalently cross-linked fabric for flexible sensors

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