Amit Nautiyal, Mingyu Qiao, Tian Ren, Tung-Shi Huang, Xinyu Zhang, Jonathan Cook, Michael J. Bozack and Ramsis Farag
1 Department of Chemical Engineering, Auburn University, Auburn, AL, 36849, USA
2 Department of Poultry Science, Auburn University, Auburn, AL, 36849, USA
3 Department of Physics, Auburn University, Auburn, AL, 36849, USA
4 Center for Polymer and Advanced Composites, Auburn University, Auburn, AL, 36849, USA
5 Textile Engineering Department, Mansoura University, 35516, Egypt
# Authors contribute equally for this work
The goal of this study was to develop a multifunctional coating material that possessed both electrical and antimicrobial properties. Polypyrrole (PPy) has proved to be transformed into N-halamine after its treatment with chlorine bleach. This PPy based N-halamine was tested to have superior antimicrobial efficacy. Its coating inactivated more than 6 log CFU of both Staphylococcus aureus and Escherichia coli O157:H7 within one min of contact time. The stability of PPy based N-halamine was excellent, maintaining 50% of functional groups after a week storage under fluorescent light. PPy N-halamine coating was successfully synthesized by chlorination of electrodeposited PPy coating on the surface of stainless steel. This PPy N-halamine coating on stainless steel inactivated 6 log CFU of S. aureus within 60s of contact and the antimicrobial activity remained unchanged after a “recharge” cycle. In addition, the PPy N-halamine coating significantly enhanced its the anticorrosion functionality by anodically shifting the corrosion potential. This method of preparing antimicrobial/anticorrosion coating is facile, green and highly effective. The produced PPy N-halamine showed great potential to be applied as multifunctional coating for protecting steels in harsh environments.
Received: 20 Sep 2018
Revised: 24 Oct 2018
Accepted: 24 Oct 2018
Published online: 25 Oct 2018
Article type:
Research Paper
DOI:
10.30919/es8d776
Volume:
4
Page:
70-78
Citation:
Engineered Science, 2018, 4, 70-78
Permissions:
Copyright
Number of downloads:
6241
Citation Information:
22
Description:
High-performance, rechargeable, antimicrobial/anticorrosion N-halamine coating was fabricated using ....
High-performance, rechargeable, antimicrobial/anticorrosion N-halamine coating was fabricated using a one-step, facile bleach treatment of conducting polymer film.
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This article is cited by 22 publications.
This article is cited by 22 publications.
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