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Polymers 2018, 10(7), 747; https://doi.org/10.3390/polym10070747

Vapor-Assisted Crosslinking of a FK/PVA/PEO Nanofiber Membrane

1
College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
2
Guangzhou Key Laboratory for Efficient Utilization of Agricultural Chemicals, Guangzhou 510225, China
*
Authors to whom correspondence should be addressed.
Received: 2 June 2018 / Revised: 29 June 2018 / Accepted: 1 July 2018 / Published: 6 July 2018
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Abstract

Herein, we demonstrate a three-component FK/PVA/PEO nanofiber membrane by electrospinning and vapor-assisted crosslinking. We have used feather-derived-keratin (FK), poly (vinyl alcohol) (PVA), and poly (ethylene oxide) (PEO) as membrane components and citric acid/glyoxal as the crosslinker. The structural, thermal, hydrophobicity, and mechanical properties of the as-prepared and crosslinked FK/PVA/PEO nanofiber membranes have been systematically investigated. The results suggest that the nanofiber membrane’s vapor-assisted crosslinking by citric acid has shown better performances than that of glyoxal used as a crosslinker. These results exhibit that non-toxic citric acid can be used as a crosslinking agent to modify the performance of keratin-based membranes. This study opens up further avenues for post-synthesis modification of polymeric membranes for a wide range of applications. View Full-Text
Keywords: keratin; nanofiber membrane; electrospinning; vapor-assisted; crosslinking keratin; nanofiber membrane; electrospinning; vapor-assisted; crosslinking
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ding, J.; Chen, M.; Chen, W.; He, M.; Zhou, X.; Yin, G. Vapor-Assisted Crosslinking of a FK/PVA/PEO Nanofiber Membrane. Polymers 2018, 10, 747.

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