Article Hierarchical biocide-free silicone/graphene-silicon carbide nanocomposite coatings for marine antifouling and superhydrophobicity of ship hulls

Mohamed S. Selim ; Ahmed M. Azzam ; Shimaa A. Higazy ; Mohamed A. Shenashen ORCID (National Institute for Materials ScienceROR) ; Ahmed Elmarakbi ; Mitsuhiro Ebara SAMURAI ORCID (National Institute for Materials ScienceROR) ; Sherif A. El-Safty SAMURAI ORCID (National Institute for Materials ScienceROR)

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Mohamed S. Selim, Ahmed M. Azzam, Shimaa A. Higazy, Mohamed A. Shenashen, Ahmed Elmarakbi, Mitsuhiro Ebara, Sherif A. El-Safty. Hierarchical biocide-free silicone/graphene-silicon carbide nanocomposite coatings for marine antifouling and superhydrophobicity of ship hulls. Chemical Engineering Science. 2024, 291 (), 119929. https://doi.org/10.1016/j.ces.2024.119929
SAMURAI

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(abstract)

A new series of fluorine-free, nonbiocidal, and hierarchical superhydrophobic silicone coatings filled with reduced graphene oxide (RGO)/β-SiC bamboo-like nanocomposites was successfully fabricated as durable ternary marine fouling release (FR) surfaces. RGO/β-SiC hybrid was used as coating nanofiller that would release fouling and confer surface robustness. It was facilely created using a straightforward one-phase ultrasonication technique. The dispersion of different concentrations of RGO sheets decorated with β-SiC bamboo-like fillers was determined to study the superhydrophobicity and antifouling behaviors of polysiloxane nanocomposites. This study produced a series of nonstick and fluorine-free ternary FR nanocomposites for maritime coatings with surface durability, superhydrophobicity, and fouling retardancy. This work highlights the design and preparation of multifunctional marine nanocoatings with excellent antifouling performance, easy applicability, and superhydrophobicity properties.

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Keyword: Silicone coating, Superhydrophobic, Fouling release surfaces, Micro/nanoroughness, Nanofillers, Nanocomposite

Date published: 2024-02-25

Publisher: Elsevier BV

Journal:

  • Chemical Engineering Science (ISSN: 00092509) vol. 291 119929

Funding:

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5028

First published URL: https://doi.org/10.1016/j.ces.2024.119929

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Updated at: 2026-02-28 17:53:51 +0900

Published on MDR: 2026-02-28 17:11:35 +0900

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