期刊
POLYMERS
卷 11, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/polym11030404
关键词
natural rubber latex; cotton; recycling; carbonization; conductive fabric; strain monitoring
资金
- National Natural Science Foundation of China [NSFC 21701128, 51503164, 51403162]
- Educational Commission of Hubei Province of China [Q20171601]
- Hubei Provincial Natural Science Foundation of China [2018CFB523, 2017CFB206]
A green approach was successfully developed to fabricate flexible sensors by utilizing carbonized waste cotton fabrics in combination with natural rubber latex. Waste cotton fabrics were firstly carbonized by heat treatment in the nitrogen atmosphere before they were combined with natural rubber latex using three methods, i.e., vacuum bagging, negative pressure adsorption and drop coating. After impregnation with natural rubber, the carbonized cotton maintained the fabric structure and showed good conductivity. More importantly, the electric resistance of the textile composites changed with the tensile strain. The cyclic stretching-releasing tests indicated that the prepared wearable flexible strain sensors were sensitive to strain and stable under cyclic loading. The flexible strain sensor also demonstrated the capability of monitoring human finger and arm motion.
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