Structural surface properties of perspective marine antifouling coating based on bimetallic nanoparticles in organic matrix
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The paper presents the results of a study on the potential protective anti-fouling coating obtained through the uniform distribution of bimetallic oxide nanoparticles containing copper and iron atoms within an organic matrix. The organic matrix was formed by mixing a suspension of the nanoparticles in xylene with a styrene-acrylic resin. Data on the dynamic light scattering of the initial xylene suspensions and similar suspensions stabilized by centrifugation are provided. The suspension produced an anti-fouling coating, which was investigated using atomic force microscopy and scanning electron microscopy methods. It is demonstrated that as the mass fraction of particles in the matrix increases, noticeable agglomeration occurs. Additionally, exceeding a mass concentration of 20% leads to their uneven distribution within the organic matrix. The results of testing CuO-FeCuO nanoparticles-based antifouling coating in seawater regarding its biocidal effect on heterotrophic bacteria are presented. It is shown that the coating reduces the microfouling effect by 85% compared to an unprotected similar sample.
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