METHOD FOR MARKING PAVEMENT, THERMOPLASTIC COMPOSITION FOR MARKING PAVEMENT AND MARKING PAVEMENT

摘要

FIELD: marking pavement. SUBSTANCE: marking pavement is carried out by melting of thermoplastic composition. Said composition comprises block copolymer having common formula (A-B)_n-A or (A-B)_n+1X where A is preferably poly(conjugated vinyl aromatic) block; B is preferably poly(conjugated diene) block; X is residue of polyvalent cross-linking agent; n is integer from 1 to 3. Block A are 8-50 mass % of weight of said block copolymer, total molecular weight of block copolymer being 20000-50000, mass ratio block copolymer and hydrocarbon resin is (2: 98)-(15:85). Viscosity of hydrocarbon resin is 0.1-10 p s at 160 C. Block copolymer presents as powder in composition being prepared by dry mixing. Blocks B may be hydrated by 99.5 % as calculated for origin unsaturation of ethylene bonds. Thus prepared melt composition is applied on pavement. EFFECT: improved efficiency of the method, improved quality of desired product. 17 cl, 3 tbl