Effects of Chemical Functionalization of MWCNTs on the Structural and Physical Properties of Elastomeric Copolyetheresterbased Composite Fibers 


Vol. 19,  No. 3, pp. 561-570, Mar.  2018
10.1007/s12221-018-7699-9


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  Abstract

Elastomeric copolyetherester (CPEE)-based composite fibers incorporating various neat and functionalized multiwalled carbon nanotubes (MWCNTs) were prepared through a conventional wet-spinning and coagulation process. The influence of functionalized MWCNTs on the morphological features, and the thermal, mechanical properties and electrical conductivity of CPEE/MWCNT (80/20, w/w) composite fibers were investigated. FE-SEM images show that a composite fiber containing poly(ethylene glycol)-functionalized MWCNTs (MWCNT-PEG) has a relatively smooth surface owing to the good dispersion of MWCNT-PEGs within the fiber, whereas composite fibers including pristine MWCNTs (p-MWCNT), acid-functionalized MWCNTs (a-MWCNT), and ethylene glycol-modified MWCNTs (MWCNT-EG) have quite a rough surface morphology owing to the presence of MWCNT aggregates. As a result, the CPEE/MWCNT-PEG composite fiber exhibits noticeably increased thermal and tensile mechanical properties as well as a faster crystallization behavior, which stems from an enhanced interfacial interaction between the CPEE matrix and MWCNT-PEGs.

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  Cite this article

[IEEE Style]

M. H. J. a. D. H. Baik, "Effects of Chemical Functionalization of MWCNTs on the Structural and Physical Properties of Elastomeric Copolyetheresterbased Composite Fibers," Fibers and Polymers, vol. 19, no. 3, pp. 561-570, 2018. DOI: 10.1007/s12221-018-7699-9.

[ACM Style]

Min Ho Jee and Doo Hyun Baik. 2018. Effects of Chemical Functionalization of MWCNTs on the Structural and Physical Properties of Elastomeric Copolyetheresterbased Composite Fibers. Fibers and Polymers, 19, 3, (2018), 561-570. DOI: 10.1007/s12221-018-7699-9.

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