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Application of ZnO nanoparticles in a self-cleaning coating on a metal panel: an assessment of environmental benefits

Stieberova, Barbora; Zilka, Miroslav; Ticha, Marie; Freiberg, Frantisek; Caramazana-Gonzalez, Pablo; McKechnie, Jon; Lester, Edward

Authors

Barbora Stieberova

Miroslav Zilka miroslav.zilka@fs.cvut.cz

Marie Ticha

Frantisek Freiberg

Pablo Caramazana-Gonzalez enxpc10@exmail.nottingham.ac.uk



Abstract

This article is focused on assessing environmental benefits of a self-cleaning coating (SCCs) containing nanoparticles (NPs) applied on metal panels. ZnO NPs are incorporated in the coating to enhance the level of hydrophobicity, which enables a dramatic reduction in the need for surface maintenance. The key question evaluated in this paper is whether the overall environmental performance of a nanobased SCC is better than the environmental performance of a coating without NPs. Much of the paper is dedicated to a comparison of advanced polyvinylidene fluoride (PVDF) protective coating with an alternative coating in which part of the PVDF is replaced by ZnO NPs. An integral part of the paper represents a detailed environmental assessment of the key ingredient of the nanoenhanced coating, ZnO NPs produced by large-scale supercritical hydrothermal synthesis developed within the Sustainable Hydrothermal Manufacturing of Nanomaterials (SHYMAN) project. LCA results show that the coating with NPs performs better than the coating without NPs in all assessed impact categories. This is due to the elimination of environmental impacts during the use stage where no maintenance is needed in the case of the coating with NPs. This reduction clearly outweighs the small additional environmental impacts of the production stage associated with the ZnO NPs.

Citation

Stieberova, B., Zilka, M., Ticha, M., Freiberg, F., Caramazana-Gonzalez, P., McKechnie, J., & Lester, E. (2017). Application of ZnO nanoparticles in a self-cleaning coating on a metal panel: an assessment of environmental benefits. ACS Sustainable Chemistry and Engineering, https://doi.org/10.1021/acssuschemeng.6b02848

Journal Article Type Article
Acceptance Date Feb 1, 2017
Publication Date Feb 1, 2017
Deposit Date Mar 6, 2017
Publicly Available Date Mar 6, 2017
Journal ACS Sustainable Chemistry and Engineering
Electronic ISSN 2168-0485
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.1021/acssuschemeng.6b02848
Keywords Life cycle assessment, Self-cleaning coating, Zinc oxide, Nanoparticles, Supercritical hydrothermal syntheses,
PVDF coating
Public URL http://eprints.nottingham.ac.uk/id/eprint/40943
Publisher URL http://pubs.acs.org/doi/abs/10.1021/acssuschemeng.6b02848
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Sustainable Chemistry and Engineering, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/acssuschemeng.6b02848.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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