Quantitative assessment of the development of operational defects in polymer anticorrosive composite coatings in aggressive environments

• V.A. Golovin¹, A.B. Il’in¹ and O.B. Butusov^1,2

¹ A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr. 31, 119071 Moscow, Russian Federation
² D.I. Mendeleev Russian University of Chemical Technology, Miusskaya Ploshchad, 9, building 1, 125047 Moscow, Russian Federation

Abstract: The effect of a rapidly diffusing medium, the nature of the polymer matrix, the filler particle size, and the nature of the dispersed filler on the change in the size and structure of the reinforcing frame of the dispersed filler of epoxy composites is investigated. It is shown that the local X-ray spectral analysis method is informative for conducting accelerated one-day diffusion tests at room temperature for compositions of industrial anticorrosive coatings. The results obtained can serve as a physicochemical basis for explaining the relationship between the structure of epoxy composites and the properties of the anticorrosive coatings obtained from them.

Keywords: epoxy composites, dispersed filler, anticorrosive coatings, pores, defects, diffusion, local X-ray spectral analysis, wavelet transform

Int. J. Corros. Scale Inhib., 2024, 13, no. 4, 2473-2495
doi: 10.17675/2305-6894-2024-13-4-32

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