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Title: Clothing polymer fibers with well-aligned and high-aspect ratio carbon nanotubes
Authors: Sun, Gengzhi
Zheng, Lianxi
An, Jia
Pan, Yongzheng
Zhou, Jinyuan
Zhan, Zhaoyao
Pang, John Hock Lye
Chua, Chee Kai
Leong, Kah Fai
Li, Lin
Keywords: Dispersions
Carbon nanotubes
Issue Date: 2013
Source: Sun, G., Zheng, L., An, J., Pan, Y., Zhou, J., Zhan, Z., et al. (2013). Clothing polymer fibers with well-aligned and high-aspect ratio carbon nanotubes. Nanoscale, 5(7), 2870-2874.
Series/Report no.: Nanoscale
Abstract: It is believed that the crucial step towards preparation of electrical conductive polymer–carbon nanotube (CNT) composites is dispersing CNTs with a high length-to-diameter aspect ratio in a well-aligned manner. However, this process is extremely challenging when dealing with long and entangled CNTs. Here in this study, a new approach is demonstrated to fabricate conductive polymer–CNT composite fibers without involving any dispersion process. Well-aligned CNT films were firstly drawn from CNT arrays, and then directly coated on polycaprolactone fibers to form polymer–CNT composite fibers. The conductivity of these composite fibers can be as high as 285 S m−1 with only 2.5 wt% CNT loading, and reach 1549 S m−1 when CNT loading is 13.4 wt%. As-prepared composite fibers also exhibit 82% retention of conductivity at a strain of 7%, and have improved mechanical properties.
DOI: 10.1039/c3nr34208e
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2013 The Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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