Study of resistance to petroleum products of paint and varnish compositions based on epoxy resins

This paper examines the petroleum resistance of epoxy resin-based paint and varnish compositions for the production of coatings designed to protect the interior surfaces of pipelines operating in modern oil transportation environments. Optimal components for the production of a high-solid primer-enamel coating were selected. The properties of varnish compositions based on a phenalkamine hardener and an aminosilane hardener were studied, as well as their combination with active diluents of various functionalities — C12–14 alkyl glycidyl ether, alkylphenol monoglycidyl ether, and 1,4-butanediol diglycidyl ether—were also examined. The physical and mechanical properties of the resulting primer-enamel coating were also studied. The effect of fluoroplastic on increasing the coating's hydrophobicity was also examined.

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