期刊
MACROMOLECULAR MATERIALS AND ENGINEERING
卷 305, 期 3, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201900673
关键词
cellulose nanocrystals; flexible strain sensors; grape pomace; hydrogels; self-healing
资金
- Natural Science Foundation of Shandong Province [ZR2018ZC0946]
- National Natural Science Foundation of China [51773086, 51973086]
- Key Research and Development Program of Shandong Province [2019GGX102012]
- Youth Innovation Technology Program of Shandong Province Higher Educational Science [2019KJA011]
- Project of Shandong Province Higher Educational Science [J16LC20, J18KA080]
In the progress of red-winemaking, eco-friendly, facile, and efficient reutilization of grape pomace is an important issue for sustainable industrial processes. In this manuscript, cellulose nanocrystals (CNCs) as extensive and expensive nanomaterials, are efficiently extracted from grape pomace by using deep eutectic solvents. Moreover, the obtained CNCs as the renewable reinforcing agent are successfully fabricated of self-healing nanocomposite hydrogels. The self-healing (93.5%) and mechanical strength (4.77 MPa) in hydrogels are outstandingly improved by the addition of functional CNCs, in which abundant carboxyl functional groups are modified by in situ esterification in the process of extracting CNCs. Importantly, these strain-sensitive and self-healing nanocomposite hydrogels can be further used as flexible strain sensors to detect human motion.
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