HEAT-RESISTANT ANTIFOULING POLYMER COMPOSITION FOR COATINGS Russian patent published in 1995 - IPC

FIELD: protection from corrosion and marine growth. SUBSTANCE: composition contains, mas.part: polybutyl methacrylate 25-100; methyl methacrylate 100-450; polyisocyanate 5-100; benzoyl peroxide 3-15; dimethylaniline 1-10; activated basalt flakes 5-500; chromium oxide 5-200; fluoropolymer powder 5-500; perchlorovinyl resin 10-100. Polybutyl methacrylate powder is mixed with perchlorovinyl resin and dissolved in methyl methacrylate and added to mixture is polyisocyanate and during stirring also added are dimethylaniline, activated basalt flakes, chromium oxide, fluoropolymer powder and benzoyl peroxide. Composition is applied to metal plate and cured for 3-4 h at room temperature. Characteristics of properties: temperature of mass loss 281-305 C, biomass growth 348-390 g/cm per annum. EFFECT: higher efficiency. 2 tbl