Electrical Properties of Polyetherimide(PEI)-MWCNT Composite Fibers Prepared by Electrospinning 


Vol. 52,  No. 5, pp. 315-319, Oct.  2015
10.12772/TSE.2015.52.315


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  Abstract

We have prepared multi-walled carbon nanotube (MWCNT)-embedded conductive composite fibers using polyetherimide (PEI) as a polymer matrix (denoted as PEIMWCNT). Uniform dispersion of the MWCNTs in dimethylacetamide was achieved after functionalization with quadruple hydrogen bonding sites, after which conductive composite fibers were produced via an electrospinning process. PEI-MWCNT fibers were prepared containing up to 3 wt% MWCNTs, and the resulting fibers were analyzed in order to determine the diameter and electrical conductivity of the fibers. Analysis of the fibers with scanning electron microscopy (SEM) revealed highly porous fiber structures, and that the MWCNTs were well-dispersed within the PEI matrix. Increasing the amount of MWCNTs in the fiber resulted in a decrease in the average fiber diameter, and the electrical conductivity was improved even when only a small amount of functionalized MWCNT was present.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)