PAINT FOR ROAD MARKING Russian patent published in 2002 - IPC

FIELD: paints for marking of roads, airdromes. SUBSTANCE: paint for road marking has 40-58 parts by wt. of composition of polymer binders consisting of 40-45% solution of styrene copolymer, butyl acrylate, methyl methacrylate and methacrylic acid with monomers ratio of 40:45:40:5, in mixture of toluene and butanol taken in ratio of 6:1 and styrene copolymer, methacrylic acid and butyl acrylate with monomers ratio of 57:1:42, with ratio of polymer binders in composition of 49:1; 0.43-2.0 parts by wt. of plasticizer in form of 20-25% solution of trietanolamine in ethanol; 14 parts by wt. of pigment; 20-40 parts by wt. of fillers, and additionally 1.0-12.5 part by wt. of 20-35% solution of quaternary ammonium salt (alkyldioxyethylene) of methylmethyldiethylammonium benzenesulfonate or alkyltrimethylammonium chloride in toluene. Fillers are used in paint in form of aerosil, ground marble and talc in ratio of 1:6:20, or aerosil, ground marble, quartz, talc in ratio of 1:9:7:11, or aerosil, barite and talc in ratio of 1:6:20. EFFECT: low time of drying, higher covering power and light resistance. 3 tbl