ANTIICING COMPOSITION Russian patent published in 2004 - IPC

FIELD: road icing prevention means.

SUBSTANCE: invention proposes antiicing compositions for removal of snow-ice formations from road and sidewalk surfaces in winter period. Antiicing agent is composed of 94.5-99.0% of calcium chloride-based salt component containing sodium chloride, in particular solid residue of clarified distiller fluid; 0.5-5.0% of phosphate additive, in particular production waste for extraction purification stage of tripolyphosphate production process (tripolyphosphate slime); and 0.5-1.0% of carboxymethylated isononylphenol ethoxylated sodium salt (Sinterol) and/or products of treatment of mono- and dialkylphenols with ethylene oxide. Agent is efficient at temperatures as low as -28^оС.

EFFECT: lowered allowed application temperature, reduced corrosive activity and increased inhibitory activity and fusing ability.

7 cl, 1 tbl