Fabrication of styrene–butadienestyrene (SBS) matrix-based flexible strain sensors with brittle cellulose nanocrystal (CNC)/carbon black (CB) segregated networks

Huang J.; Li Z.; Kang T.Wei W.Liu F.Xu X.Liu Z.

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Fabrication of styrene–butadienestyrene (SBS) matrix-based flexible strain sensors with brittle cellulose nanocrystal (CNC)/carbon black (CB) segregated networks

机译：Fabrication of styrene–butadienestyrene (SBS) matrix-based flexible strain sensors with brittle cellulose nanocrystal (CNC)/carbon black (CB) segregated networks

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? 2023Strain sensors based on conductive polymer composites (CPCs) filled with carbon black (CB) are potential as wearable detection devices for mass production due to their low cost. However, it is still challenging to design sensors with low CB loading and the conductivity and sensitivity guaranteed. Herein, a Pickering emulsion template method was conducted to design the styrene–butadienestyrene (SBS) matrix-based strain sensors, in which a conducting structure of segregated cellulose nanocrystal (CNC)/carbon black (CB) networks was constructed, improving the conductivity and reducing the percolation threshold (φc) to ～0.28 wt. Besides, the CNC incorporation and defect construction in the networks greatly promote the sensitivity of the sensor, the maximum gauge factor (GF) determined is beyond 260 within the 200 strain. Moreover, the sensor can exhibit remarkable working durability and reproductivity. All these above favorable properties have empowered the strain sensor with superior applicability in detecting various human motions (finger bending, elbow bending, knee bending, neck rotation, cheek bulging, and swallowing).

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《Composite structures》 |2023年第9期|1.1-1.13|共13页
作者
Huang J.; Li Z.; Kang T.Wei W.Liu F.Xu X.Liu Z.;
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作者单位

R&D Institute of Fluid and Powder Engineering Dalian University of Technology;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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Cellulose nanocrystal; Conductive polymer composites; Pickering emulsion template; Segregated networks; Strain sensor;

Fabrication of styrene–butadienestyrene (SBS) matrix-based flexible strain sensors with brittle cellulose nanocrystal (CNC)/carbon black (CB) segregated networks

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