Development and Characterization of Mechanically Durable Silicone-Polythiourethane Composites Modified with Tetrapodal Shaped ZnO Particles for the Potential Application as Fouling-Release Coating in the Marine Sector

Qiu, Haoyi, Hölken, Iris, Gapeeva, Anna, Filiz, Volkan, Adelung, Rainer and Baum, Martina (2018) Development and Characterization of Mechanically Durable Silicone-Polythiourethane Composites Modified with Tetrapodal Shaped ZnO Particles for the Potential Application as Fouling-Release Coating in the Marine Sector Materials, 11 (12). p. 2413. DOI 10.3390/ma11122413.

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Abstract

Ecological considerations strongly necessitate the development of environmentally friendly antifouling paints. A promising alternative to biocide containing antifouling paints are fouling-release coatings, which are non-toxic and designed to prevent permanent attachment of marine organisms to the surface, due to their low surface energy. However, these coatings suffer from insufficient mechanical properties, which make them unsuitable for mechanically stressed surfaces e.g., on ship hulls. To overcome those obstacles, polydimethylsiloxane (PDMS)-polythiourethane (PTU) composites modified with tetrapodal shaped micro-nano ZnO particles (t-ZnO) were produced and characterized by evaluating the surface energy, mechanical properties, and fouling-release performance. Among all variations, PTU/1 wt.% PDMS composites with 1 wt.% t-ZnO particles possess superior properties for applications as fouling-release coatings for maritime purposes.

Document Type: Article
Keywords: polymer blend; fouling-release coating; tetrapodal ZnO; PDMS
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.3390/ma11122413
ISSN: 1996-1944
Projects: Future Ocean
Date Deposited: 06 Dec 2018 10:53
Last Modified: 06 Dec 2018 10:53
URI: http://eprints.uni-kiel.de/id/eprint/44859

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