Issue 46, 2016, Issue in Progress

High thermal stability and high tensile strength terpolyester nanofibers containing biobased monomer: fabrication and characterization

Abstract

This research fabricated novel nanofibers with a terpolyester of isosorbide, ethylene glycol, 1,4-cyclohexane dimethanol, and terephthalic acid (PEICT) using electrospinning and characterized their properties. The nanofibers have higher glass transition temperature (Tg) than other polyester-type polymers, and a smaller diameter nanofiber has higher Tg than a larger diameter nanofiber. This is due to the orientation of polymer chains inside nanofibers, which was verified by DSC and polarized ATR-FTIR. The morphology and diameter of the nanofibers affected by concentration of PEICT solution were studied by SEM. It demonstrated smooth and well-formed nanofibers, and showed an increase of the diameter with increasing concentration. In addition, the tensile property, which was confirmed by UTM, was enhanced with increasing diameter because molecular orientation existed in finer nanofibers. They show a better tensile property than general biobased nanofibers such as silk, chitosan, and gelatin. Finally, fabrication of PEICT nanofibers was optimized and characterized. They can be utilized in various industrial applications such as tissue engineering, wound dressings, and health care devices.

Graphical abstract: High thermal stability and high tensile strength terpolyester nanofibers containing biobased monomer: fabrication and characterization

Supplementary files

Article information

Article type
Paper
Submitted
31 Jan 2016
Accepted
11 Apr 2016
First published
12 Apr 2016

RSC Adv., 2016,6, 40383-40388

High thermal stability and high tensile strength terpolyester nanofibers containing biobased monomer: fabrication and characterization

H. Lee, J. M. Koo, D. Sohn, I. Kim and S. S. Im, RSC Adv., 2016, 6, 40383 DOI: 10.1039/C6RA02852G

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