Abstract
With increasing numbers of seaborn transportation of goods worldwide, the exploitation of the ocean is rising. More and more ships and marine equipment with biocide-containing antifouling coatings are in contact with the ecosystem “ocean”. The development of environmentally friendly coatings preventing or allowing a management of biofouling is therefore an urgent issue. To achieve this aim, it is essential to have access to appropriate immersion testing methods to evaluate the fouling-release properties of novel coating systems under most realistic conditions. In this study, a novel dynamic biofouling-test stand was designed and constructed to simulate the movement of a ship and to provide a reproducible testing method for marine coatings. Mechanically durable and environmentally friendly polythiourethane (PTU)/tetrapodal zinc oxide (t-ZnO) microparticle composite as well as reference materials such as AlMg3 alloys and pure polydimethylsiloxane (PDMS) were immersed in the Baltic Sea under static and dynamic conditions for 22 weeks. Strong differences in the degree of biofouling subjected to those conditions were found.
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Acknowledgements
This research was funded by the Federal Ministry for Economic Affairs and Energy within the ZIM-program (16KN015431 and 16KN021267) and the Cluster of Excellence 80 “The Future Ocean”. The “Future Ocean” is funded within the framework of the Excellence Initiative by the Deutsche Forschungsgemeinschaft (DFG) on behalf of the German federal and state governments.
Conflict of Interest The authors declare that they have no conflict of interest.
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Qiu, H., Hölken, I., Gapeeva, A., Adelung, R., Baum, M. (2020). Static Versus Novel Dynamic Biofouling-Testing of Fouling-Release Coatings for Marine Applications: Pros and Cons. In: Tiginyanu, I., Sontea, V., Railean, S. (eds) 4th International Conference on Nanotechnologies and Biomedical Engineering. ICNBME 2019. IFMBE Proceedings, vol 77. Springer, Cham. https://doi.org/10.1007/978-3-030-31866-6_138
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DOI: https://doi.org/10.1007/978-3-030-31866-6_138
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