Technology for Obtaining Anticorrosive Coatings Based on Inorganic-Mineral Raw Materials

The development of anticorrosive coating technologies based on inorganic-mineral raw materials is becoming increasingly important for protecting metal structures used in construction, chemical production, agriculture, transport, water supply systems and industrial equipment. Conventional coating systems often depend on expensive synthetic pigments, imported additives and environmentally problematic components. Therefore, the use of locally available mineral raw materials such as kaolin, bentonite, wollastonite, zeolite, silica, calcium carbonate, talc, mica and phosphate-based inorganic inhibitors can reduce cost, improve technological accessibility and increase the ecological safety of coating production. This article analyzes the technological principles of obtaining anticorrosive coatings from inorganic-mineral raw materials. The study is structured according to the IMRAD format and focuses on raw material selection, formulation design, dispersion technology, film formation, adhesion, barrier properties and corrosion resistance. The proposed technology combines three main mechanisms: physical barrier protection, chemical passivation and adsorption-inhibition effects. The article presents comparative analytical tables describing mineral components, their functional roles, formulation variants, expected technological parameters and anticorrosive performance indicators. The analysis shows that the most promising coating system is a hybrid formulation containing epoxy or alkyd binder, micronized silica, wollastonite, zeolite and zinc phosphate. Such a system may provide improved adhesion, reduced water permeability, enhanced resistance to salt media and longer service life under atmospheric corrosion conditions. The article concludes that inorganic-mineral raw materials can serve not only as low-cost fillers but also as functional anticorrosive components when their particle size, surface activity, dispersion quality and compatibility with the polymer matrix are properly controlled.