FIELD: marking highways, roofs, etc. SUBSTANCE: composition contains furfurol extract of bright stock and petroleum resin. Said resin is polymerization product of hydrocarbon fraction having boiling point 145-350 C and maleic anhydride (its acid number being 9.2-19.0 mg KOH/100 g). Proposed composition contains additionally, mass % : coumaranone-indene resin 24, styrene-butadiene block copolymer 4-9. Mixing extract and resin is carried out within 30 min at 200-220 C. EFFECT: improves composition quality. 2 tbl
Authors
Dates
1994-04-30—Published
1985-10-14—Filed