PRIMER-ENAMEL FOR PROTECTION OF METAL AND CONCRETE PRODUCTS Russian patent published in 2025 - IPC C09D163/00 C08L63/00 C08K3/13 

FIELD: coating compositions.

SUBSTANCE: invention relates to paint materials for a wide range of applications: for anticorrosion protection of metal articles, thermal insulation, for decontaminated finishing of various surfaces of rooms and equipment, in coatings in contact with grain or other food products. Disclosed is a primer enamel, which is a composition consisting of a base – a suspension of pigments and fillers in a solution of epoxy resin in organic solvents and a hardener, where the disclosed primer-enamel is a two-component system consisting of a base and a corresponding amine-type hardener, wherein fillers are made in the form of microtalc and microbarite, and the primer-enamel itself represents the following composition, wt.pts.: epoxy resin 35-40, o-Xylene 5-2.5, butyl alcohol 4-8, organobentonite 1-0.5, pigment part 5-7, microtalc 30-16, microbarite 20-26, wherein the amine type curing agent is used in amount of 3-15 wt.pts. per 100 wt.pts. of the base.

EFFECT: obtaining a strong and durable coating.

3 cl, 3 ex