Abstract
This article investigates the modification of a carbon steel surface by benzotriazole (BTA), and the structure and properties of the formed layers. Adsorption was studied by surface analytical methods such as X-ray photoelectron spectroscopy (XPS) and reflecting infrared microscopy (FTIR). It has been established that a polymer-like film containing iron-azole complexes that are 2 nm thick and strongly bonded to the metal is formed on the surface as a result of the azole interacting with a steel surface. This film is capable to inhibit uniform and localized corrosion of steel in neutral aqueous electrolytes containing chloride ions. It is shown that the iron-azole layer located at the interface acts as a promotor of adhesion, increasing the interaction of polymeric coatings with the steel surface. Taking into account these properties, the steel pretreatments can be used for improving the anticorrosion properties of polymeric coatings applied for the protection of steel constructions.
Highlights
The methods for corrosion protection of metallic constructions exposed to atmospheric or underground environments are continuously developing
The application of polymeric coatings and corrosion inhibitors is most efficient for the protection from corrosion [5]
IR spectroscopy showed of the carbon steel by of an BTA
Summary
The methods for corrosion protection of metallic constructions exposed to atmospheric or underground environments are continuously developing. These technologies have to prevent the environmental hazards caused by contamination with corrosion products of metals as well as toxic reagents and hydrocarbons that have evolved into the external environment upon violation of the integrity of chemical equipment and pipelines due to corrosion (penetrating corrosion defects) [1,2,3,4]. The application of polymeric coatings and corrosion inhibitors is most efficient for the protection from corrosion [5]. The adhesion of the polymeric coatings and the stability of the interface in corrosive environments decreases, leading to corrosion-induced deadhesion. A significant amount of studies investigate the possible replacement of chromates in systems of corrosion protection
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
