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3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
Published on: April 24, 2019
Deep eutectic solvent-derived quaternized cellulose nanofiber-mediated MWCNT networks for hydrogel strain sensors
Zhikun Zhang1,2, Zhonglin Sun1,2, Yaru Hu2
1State Key Laboratory for Development and Utilization of Forest Food Resources, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China. liuyupeng@icifp.cn.
Abstract:
Deep eutectic solvent (DES)-derived quaternized cellulose nanofibers (QCNFs) were used to electrostatically assemble carboxylated multiwalled carbon nanotubes (MWCNTs) to fabricate polyacrylamide (PAM)-based conductive hydrogels for strain sensing. The hybrid network lowers the percolation threshold, resulting in a conductivity of 2.75 mS cm-1, a toughness of 431 kJ m-3, a response time of 200 ms, and a gauge factor of up to 6.64 for wearable motion monitoring.
