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Antifouling Effects of Superhydrophobic Coating on Sessile Marine Invertebrates

Author

Listed:
  • Seongjun Bae

    (Department of Ecology and Conservation, Marine Biodiversity Institute of Korea, Seocheon 33662, Korea
    Department of Ocean Environmental Sciences, College of Natural Science, Chungnam National University, Daejeon 34134, Korea
    Seongjun Bae and Ye Ju Lee contributed equally to this work.)

  • Ye Ju Lee

    (Institute of Environmental Ecology, Sahmyook University, Seoul 01795, Korea
    Seongjun Bae and Ye Ju Lee contributed equally to this work.)

  • Min Kyung Kim

    (Department of Bio & Environment Technology, Seoul Women’s University, Seoul 01797, Korea)

  • Yeongwon Kwak

    (Department of Chemical Engineering, Gyeongsang National University, Jinju 52828, Korea)

  • Chang-Ho Choi

    (Department of Chemical Engineering, Gyeongsang National University, Jinju 52828, Korea)

  • Dong Gun Kim

    (Smith College of Liberal Arts, Sahmyook University, Seoul 01795, Korea)

Abstract

Biofouling is a significant problem in the aquaculture and marine shipping industries; thus, various antifouling methods have been developed to prevent the resultant economic losses. In the present study, the superhydrophobic surface of a lotus leaf was bio-mimicked to achieve antifouling. Specifically, fabric substrates with and without superhydrophobic coatings on the surface were installed on the Tongyeong yacht in December 2020 (group A) and April 2021 (group B), and the coverage of the attached invertebrates was recorded every month until August 2021. The coverage of solitary ascidians ( Ascidiella aspersa and Ciona robusta ) and branching bryozoans ( Bugula neritina ) was lower on the coated substrates than on the non-coated ones, and coating or non-coating was significantly correlated with the extent of coverage. Superhydrophobic substrates with a low surface energy and micro–nano dual structure may be unsuitable for the attachment of larvae. Therefore, superhydrophobic coating is a more effective and simpler method of antifouling for certain taxa than other antifouling strategies. However, the antifouling effect of the superhydrophobic substrate in group A reduced after 5 months from the first installation; thus, the durability of the antifouling coating should be further improved, and solving this problem remains a major task, necessitating further research.

Suggested Citation

  • Seongjun Bae & Ye Ju Lee & Min Kyung Kim & Yeongwon Kwak & Chang-Ho Choi & Dong Gun Kim, 2022. "Antifouling Effects of Superhydrophobic Coating on Sessile Marine Invertebrates," IJERPH, MDPI, vol. 19(13), pages 1-13, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:13:p:7973-:d:851600
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    References listed on IDEAS

    as
    1. Seongjun Bae & Michael Dadole Ubagan & Sook Shin & Dong Gun Kim, 2022. "Comparison of Recruitment Patterns of Sessile Marine Invertebrates According to Substrate Characteristics," IJERPH, MDPI, vol. 19(3), pages 1-17, January.
    2. Chang-Ho Choi & Yeongwon Kwak & Min Kyung Kim & Dong Gun Kim, 2020. "Effective Harmful Organism Management I: Fabrication of Facile and Robust Superhydrophobic Coating on Fabric," Sustainability, MDPI, vol. 12(15), pages 1-9, July.
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