NDLI: Improving the tensile strength of carbon nanotube yarn via one-step double [2+1] cycloadditions

Content Provider	Springer Nature Link
Author	Kim, HeeJin Lee, Jaegeun Park, Byungrak Sa, Jeong Hoon Jung, Alum Kim, Teawon Park, Junbeom Hwang, Woonbong Lee, Kun Hong
Copyright Year	2016
Abstract	The tensile strength of a CNT yarn was improved through simple one-step double [2+1] cycloaddition reactions that crosslinked the constituent CNTs using a polyethylene glycol (PEG)-diazide crosslinker. The FT-IR spectrum confirmed that the azide groups in the PEG-diazide were converted into aziridine rings, indicating that the cycloaddition reaction was successful. The generation of crosslinked CNTs was also supported by the observation of N1s peak in the XPS spectrum and the increased thermal stability of the material, as observed by TGA. The tensile strength of the CNT yarn was increased from 0.2GPa to 1.4GPa after the crosslinking reaction when twisted at 4000 twists/ meter. The appropriate selection of the crosslinker may further optimize the CNT yarn crosslinking reaction. The simplicity of this one-step crosslinking reaction provides an economical approach to the mass production of high-strength CNT yarns.
Starting Page	299
Ending Page	304
Page Count	6
File Format	PDF
ISSN	02561115
Journal	Korean Journal of Chemical Engineering
Volume Number	33
Issue Number	1
e-ISSN	19757220
Language	English
Publisher	Springer US
Publisher Date	2015-09-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon Nanotube Yarn Crosslinking (PEG)-diazide Industrial Chemistry/Chemical Engineering Catalysis Materials Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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