PRIMING COMPOSITION Russian patent published in 1997 - IPC

FIELD: paint and varnish industry, particularly, anticorrosion insulation polymer coatings. SUBSTANCE: priming composition comprises, w.p.: butadiene-methyl-styrene rubber, 100; bitumen, 5-20; carbon black, 10-40; talc, 5-10; sulfur, 1-5; 20 % solution of 4,4′,4′--triphenylmethane triisocyanate in dichloroethane or in ethyl acetate, 1-10; oil solvent, the balance. Ratio of silica filler and talc is from 1:2 to 4:1. EFFECT: improved quality of desired product. 2 tbl