Large-Scale Production of Highly Stretchable CNT/Cotton/Spandex Composite Yarn for Wearable Applications

Cai, G, Yang, M, Pan, J, Cheng, D, Xia, Z, Wang, X and Tang, B 2018, 'Large-Scale Production of Highly Stretchable CNT/Cotton/Spandex Composite Yarn for Wearable Applications', ACS Applied Materials and Interfaces, vol. 10, no. 38, pp. 32726-32735.


Document type: Journal Article
Collection: Journal Articles

Title Large-Scale Production of Highly Stretchable CNT/Cotton/Spandex Composite Yarn for Wearable Applications
Author(s) Cai, G
Yang, M
Pan, J
Cheng, D
Xia, Z
Wang, X
Tang, B
Year 2018
Journal name ACS Applied Materials and Interfaces
Volume number 10
Issue number 38
Start page 32726
End page 32735
Total pages 10
Publisher American Chemical Society
Abstract Incorporation of carbon nanotubes (CNTs) into textiles without sacrificing their intrinsic properties provides a promising platform in exploring wearable technology. However, manufacture of flexible, durable, and stretchable CNT/textile composites on an industrial scale is still a great challenge. We hereby report a facile way of incorporating CNTs into the traditional yarn manufacturing process by dipping and drying CNTs into cotton rovings followed by fabricating CNT/cotton/spandex composite yarn (CCSCY) in sirofil spinning. The existence of CNTs in CCSCY brings electrical conductivity to CCSCY while the mechanical properties and stretchability are preserved. We demonstrate that the CCSCY can be used as wearable strain sensors, exhibiting ultrahigh strain sensing range, excellent stability, and good washing durability. Furthermore, CCSCY can be used to accurately monitor the real-time human motions, such as leg bending, walking, finger bending, wrist activity, clenching fist, bending down, and pronouncing words. We also demonstrate that the CCSCY can be assembled into knitted fabrics as the conductors with electric heating performance. The reported manufacturing technology of CCSCY could lead to an industrial-scale development of e-textiles for wearable applications.
Subject Textile Technology
Keyword(s) carbon nanotubes
CCSCY
durability
electric heating performance
strain sensor
wearable device
DOI - identifier 10.1021/acsami.8b11885
Copyright notice © 2018 American Chemical Society.
ISSN 1944-8244
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