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CHEMISTRY AND CHEMICAL ENGINEERING

CHEMISTRY AND CHEMICAL ENGINEERING

DOI

10.51348/AMIW3430

Abstract

Automotive vehicles are constantly exposed to corrosion processes, and the durability of metal parts depends on the intensity of corrosion. The loss of metals from corrosion is 8-10% of the initial metal mass. In total, losses from corrosion are 4-6% of national income in many countries. This indicates the need for research and the importance of scientific and technical work in this area. This can be achieved by developing a technology for producing anticorrosive compounds and applying them as protective coatings. The anticorrosive protection of a coating synthesized on the basis of local raw materials - epoxyurethane with an additive - was determined by the method of weight loss of metal plates in various aggressive media, impact strength, frost, heat resistance, adhesion and the degree of protection against corrosion. It was found that the synthesized anticorrosive coating possesses high chemical resistance in various environments, the loss of metal mass is insignificant. Full-scale tests were carried out on a MAN CLA 26.280 after its preliminary preparation. The results showed high strength - 75 sm, adhesion - 1 point, and the degree of corrosion resistance was 98.9%. The observation carried out in the operating mode of the car with a run of more than 8 thousand km, and no changes in coating were observed.

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