Abstract
This article examines the resistance of corrosion-resistant polymeric materials to chemical reagents and the degree of corrosion, taking into account the direction of corrosion processes. One of the main factors that determined the corrosion rate is air humidity and dust released into the atmosphere during industrial emissions. Mixtures based on polymer materials can be used to gum up chemical apparatus and equipment; for corrosion protection, expensive materials are required. The sample is conditioned for 30 months at (23 ± 2) 0С, relative humidity (50 ± 5) %, and the thickness of the sample is determined. Resistance to chemical reagents the change in mass of samples of polymeric materials at a temperature of 35 0C for 3 months was analyzed. It was also found that by determining the corrosion rate (grade St3) by storing steel plates in a different exposure environment for 50 days. As a result, the corrosion rate of steel anti-corrosion coatings is lower than the control sample. According to the data obtained, it was found that the chloro-sulfonated polyethylene compositions are resistant to various organic solvents, acids, alkalis, oxidizing agents, and others.
Highlights
Corrosion is defined as the destruction of materials caused by chemical or electrochemical action of the surrounding environment
[26] Chlorosulfonated polyethylene with nitrogen- and phosphorus-containing epoxy resin is well compatible with many anticorrosive polymeric materials while improving their ozone and weather resistance, heat resistance, oil and petrol resistance, fire resistance, adhesion, resistance to water and aggressive environments and increases the overall service life of the polymers
The level of deformability of crack-resistant, anti-corrosive polymeric materials, and especially coatings based on a chlorosulfonated polyethylene composition in combination with alkali resistance, acid resistance, resistance to oxidizing environments, and heat resistance, allows them to be used as coatings for road construction and building structures [24, 26]
Summary
Corrosion is defined as the destruction of materials caused by chemical or electrochemical action of the surrounding environment. The reaction of metals with dry air or oxygen is considered chemical corrosion. Conventional atmospheric parameters that may lead to metal corrosion comprise the weathering factors such as temperature, moisture, rainfall, solar radiation, wind velocity, etc. Air pollutants such as Sulphur dioxide, hydrogen sulfide, oxides of nitrogen, chlorides have been found to contribute to atmospheric corrosion [4]. Metal corrosion is considered one of the most dangerous types of building structure destruction [15,16]. To select a brand of metals, it is necessary to analyze their properties and their susceptibility to corrosion
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