A.W. Ritchie
Bioinspired Multifunctional Polymer–Nanoparticle–Surfactant Complex Nanocomposite Surfaces for Antibacterial Oil–Water Separation
Ritchie, A.W.; Cox, H.J.; Barrientos-Palomo, S.N.; Sharples, G.J.; Badyal, J.P.S.
Authors
H.J. Cox
S.N. Barrientos-Palomo
Dr Gary Sharples gary.sharples@durham.ac.uk
Associate Professor
Professor Jas Pal Badyal j.p.badyal@durham.ac.uk
Professor
Abstract
Bioinspired polymer–nanoparticle–fluorosurfactant complex composite coatings are shown to display fast-switching oleophobic–hydrophilic properties. The large switching parameters (difference between the equilibrium oil and water static contact angles) are attributed to nanoparticle enhanced surface roughening (leading to improvement in hydrophilicity and oleophobicity for optimum nanoparticle loadings). Nanoparticle incorporation also increases hardness of the coatings (durability). Porous substrates coated with these polymer–nanoparticle–fluorosurfactant complex composite coatings are found to readily separate oil–water mixtures under both static and continuous flow as well as displaying antibacterial surface properties against Escherichia coli (Gram-negative bacteria) and Staphylococcus aureus (Gram-positive bacteria). A key advantage of this approach for coating substrates is its single-step simplicity. Potential applications include provision of safe drinking water, environmental pollution clean-up, and anti-fogging.
Citation
Ritchie, A., Cox, H., Barrientos-Palomo, S., Sharples, G., & Badyal, J. (2019). Bioinspired Multifunctional Polymer–Nanoparticle–Surfactant Complex Nanocomposite Surfaces for Antibacterial Oil–Water Separation. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 560, 352-359. https://doi.org/10.1016/j.colsurfa.2018.10.030
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 10, 2018 |
Online Publication Date | Oct 11, 2018 |
Publication Date | Jan 5, 2019 |
Deposit Date | Oct 12, 2018 |
Publicly Available Date | Mar 28, 2024 |
Journal | Colloids and Surfaces A: Physicochemical and Engineering Aspects |
Print ISSN | 0927-7757 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 560 |
Pages | 352-359 |
DOI | https://doi.org/10.1016/j.colsurfa.2018.10.030 |
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Copyright Statement
© 2018 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license
(http://creativecommons.org/licenses/BY/4.0/).
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