TY - JOUR
T1 - Synthesis and Fabrication of Supramolecular Polydimethylsiloxane-Based Nanocomposite Elastomer for Versatile and Intelligent Sensing
AU - Jing, Xin
AU - Ma, Zhenping
AU - Antwi-Afari, Maxwell Fordjour
AU - Wang, Lin
AU - Li, Heng
AU - Mi, Hao Yang
AU - Feng, Pei Yong
AU - Liu, Yuejun
N1 - Funding Information:
The authors would like to acknowledge the financial support of the Natural Research Science Foundation of Hunan Province (2020JJ4266), the Research Project of the Educational Commission of Hunan Province (18B297), and give thanks to Xiaobin Zhou from Shiyanjia Lab (www.shiyanjia.com) for the SEM, GPC and H NMR analysis. 1
Publisher Copyright:
© 2021 American Chemical Society.
PY - 2021/7/21
Y1 - 2021/7/21
N2 - High-performance strain sensors featuring self-healing ability and high stretchability are desired for human motion detection, soft robotics, and diver intelligent applications. Herein, a novel self-healing elastomer was synthesized via a facile one-pot polycondensation reaction between bis(3-aminopropyl) terminated polydimethylsiloxane and 2,4'-tolylene diisocyanate, followed by introducing carboxyl-functionalized multiwalled carbon nanotubes (CNTs). The physically entangled linear molecular chains and multiple hydrogen bonds endowed elastomer with a remarkable healing efficiency of 98.1% and outstanding stretchability of over 1000%. Owing to the conductive network constructed by the uniformly dispersed CNT, the nanocomposite elastomer-based strain sensor achieved a high gauge factor of 2.43 and its sensing performance could be well regained after self-healing. The strain sensor was successfully used for detecting various human motions and distinguishing facial microexpressions. Moreover, the nanocomposite elastomer applied on a grip ball and woolen glove as sensing units rendered them with the ability of grip force detection and sign language recognition. This work offers a new route and a promising self-healing nanocomposite elastomer for the development of recyclable and sustainable high-performance strain sensors and prospects its advanced intelligent applications.
AB - High-performance strain sensors featuring self-healing ability and high stretchability are desired for human motion detection, soft robotics, and diver intelligent applications. Herein, a novel self-healing elastomer was synthesized via a facile one-pot polycondensation reaction between bis(3-aminopropyl) terminated polydimethylsiloxane and 2,4'-tolylene diisocyanate, followed by introducing carboxyl-functionalized multiwalled carbon nanotubes (CNTs). The physically entangled linear molecular chains and multiple hydrogen bonds endowed elastomer with a remarkable healing efficiency of 98.1% and outstanding stretchability of over 1000%. Owing to the conductive network constructed by the uniformly dispersed CNT, the nanocomposite elastomer-based strain sensor achieved a high gauge factor of 2.43 and its sensing performance could be well regained after self-healing. The strain sensor was successfully used for detecting various human motions and distinguishing facial microexpressions. Moreover, the nanocomposite elastomer applied on a grip ball and woolen glove as sensing units rendered them with the ability of grip force detection and sign language recognition. This work offers a new route and a promising self-healing nanocomposite elastomer for the development of recyclable and sustainable high-performance strain sensors and prospects its advanced intelligent applications.
UR - http://www.scopus.com/inward/record.url?scp=85111262499&partnerID=8YFLogxK
U2 - 10.1021/acs.iecr.1c01575
DO - 10.1021/acs.iecr.1c01575
M3 - Journal article
AN - SCOPUS:85111262499
SN - 0888-5885
VL - 60
SP - 10419
EP - 10430
JO - Industrial and Engineering Chemistry Research
JF - Industrial and Engineering Chemistry Research
IS - 28
ER -