SEMI-FINISHED PRODUCT, METHOD OF PRODUCTION AND APPLICATION THEREOF Russian patent published in 2020 - IPC C23C28/00 C25D5/00 

FIELD: chemistry.

SUBSTANCE: invention relates to a semi-finished product containing a high-quality weather-resistant coating, a method for production and use thereof. Semi-finished product with polymer coating contains main metal layer and polymer coating from composition containing 5–70 wt. % of hydroxy-functional fluoropolymers, 5–70 wt. % of polyester based on di- or polycarboxylic acids or their derivatives and aliphatic or cycloaliphatic di- or polyols , wherein at least one aliphatic or cycloaliphatic di- or polycarboxylic acid or derivatives thereof are contained in the polyester, as well as 2–25 wt. % cross-linking agent, 0.01–2 wt. % cross-linking catalyst, up to 20 wt. % UV- absorber and up to 10 wt. % of UV stabilizer, wherein the main layer is coated with a metal anticorrosion layer having cathodic anticorrosive protection with respect to the base layer.

EFFECT: technical result is production of semi-finished product with high-quality weather-resistant coating, very good anticorrosion protection and durability with allowance for aesthetics.

10 cl, 2 tbl, 8 ex