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In relation to this article, we declare that there is no conflict of interest.
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Received February 19, 2018
Accepted May 10, 2018
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Polypropylene surface with antibacterial property by photografting 1-vinylimidazole and subsequent chemical modification

Department of Environmental Engineering, Mokpo National University, Jeonnam 58554, Korea 1Institute of Construction and Environmental Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
narjjis@snu.ac.kr, narjjis@hanmail.net
Korean Journal of Chemical Engineering, August 2018, 35(8), 1748-1755(8), 10.1007/s11814-018-0080-2
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Abstract

The surface of polypropylene (PP) fiber was modified by UV-induced graft polymerization of 1-vinylimidazole (Vim), followed by quaternization with iodomethane, sulfonation with chlorosulfonic acid, or loading of silver (Ag) nanoparticles to endow the surface with antibacterial properties. The modified PP fibers were characterized by FT-IR, SEM, and surface charge analyses. The antibacterial activity of the modified PP fibers was assessed against the Gram-negative and Gram-positive bacteria, Escherichia coli (E. coli), and Staphylococcus aureus (S. aureus), respectively. The PP-g-Vim was greatly improved by loading of Ag nanoparticles (≥99.9%), quaternization (98.9-99.2%), or sulfonation (≥99.9%).

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