ROAD MARKING DYE Russian patent published in 2006 - IPC C09D133/04 C09D133/10 E01F9/04 

FIELD: paint and varnish industry.

SUBSTANCE: invention relates to producing dyes for public automobile roads and airdromes with asphalt, concrete and asphalt concrete coating. Proposed road marking dye involves the following components: 48-52% solution of styrene and butyl acrylate copolymer in toluene as an acrylic film-forming agent "Poliform-1V", 22-28 mas. p. p.; fractionated micromarble as a filling agent, 36-43 mas. p. p., and aluminum oxyhydroxide - "Prokal", 10-14 mas. p. p.; chloroparaffin KHP-470 as a plasticizer, 1-3 mas. p. p.; dye comprises mixture of toluene and ethyl acetate in the ratio = 2.4:1, or mixture of toluene and acetone in the ratio = 1:1 as an organic solvent, 7-16 mas. p. p.; titanium dioxide, 7-13 mas. p. p., and it comprises additionally a thickening agent - organic derivative of montmorillonite - "Bentone SD-2", 0.2-0.8 mas. p.; mixture of natural phospholipids "Soya letsitin Nalec 10-F" as a dispenser, 0.2-0.5 mas. p.; anti-sedimentation agent - 20% solution of organic compound in xylene - "M-P-A 2000X", 0.1-0.3 mas. p. Dye can comprise additionally a modifying additive - 45-60% solution of linear thermoplastic polyurethane based on polytetramethylene glycol and toluylenediisocyanate in butyl acetate - "Plastur", up to 5 mas. p. p. Proposed road marking dye possesses impact strength film 100 cm, film hardness by pendulum device of type M-3 0.75-0.80 conditional units, and whiteness value is 92-94%.

EFFECT: improved and valuable properties of dye.

2 cl, 2 tbl