Morphological and Electrical Properties of Multi-Walled Carbon Nanotube-based Fiber Using General Wet-spinning and Alkaline Post-treatment Methods 


Vol. 21,  No. 11, pp. 2456-2461, Nov.  2020
10.1007/s12221-020-0942-1


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  Abstract

In this study, we report the structural features and electrical properties of a multi-walled carbon nanotube (MWCNT)-based fibers, composed entirely of MWCNTs or a large fraction of MWCNTs, using traditional fibermanufacturing techniques inspired from classical methods applied in the creation of polyester or nylon microfibers. To obtain the MWCNT-based fibers used in this study, as-spun fibers designed to achieve 20 wt% poly(ethylene glycol)-functionalized MWCNTs and 80 wt% alkali-soluble elastomeric copolyester were prepared using a conventional wet-spinning process, and the copolyester was then sequentially removed from the as-spun fiber through an alkaline post-treatment process. As a result, we obtained a final unique MWCNT-based fiber with a MWCNT content of close to 80 wt%. The results of a morphological characterization show clearly that the surface of the fiber is mostly composed of MWCNTs with a compact structure. In addition, the MWCNT-based fiber exhibited an improved electrical conductivity of 1.9

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  Cite this article

[IEEE Style]

M. H. J. a. D. H. Baik, "Morphological and Electrical Properties of Multi-Walled Carbon Nanotube-based Fiber Using General Wet-spinning and Alkaline Post-treatment Methods," Fibers and Polymers, vol. 21, no. 11, pp. 2456-2461, 2020. DOI: 10.1007/s12221-020-0942-1.

[ACM Style]

Min Ho Jee and Doo Hyun Baik. 2020. Morphological and Electrical Properties of Multi-Walled Carbon Nanotube-based Fiber Using General Wet-spinning and Alkaline Post-treatment Methods. Fibers and Polymers, 21, 11, (2020), 2456-2461. DOI: 10.1007/s12221-020-0942-1.

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