Deicing agent

Details Deicing agent Deicing agent

1987-12-18

1989-04-25

Wax, Robert A.

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

252396, 422 7, C09K 318

Patent

active

048245887

ABSTRACT:
A deicing composition comprising saccharinic acid, lignosulfonate and an alkali metal or alkaline earth metal chloride selected from among sodium chloride, magnesium chloride, calcium chloride and mixtures thereof, the ratio of said saccharinic acid, lignosulfonate and chloride being from about 0.05:0.95:15 to about 0.75:2.25:1. The composition has a pH value of from about 5.0 to 9.5. The saccharinic acid contemplated for use in the composition is isosaccharinic or metasaccharinic acid, or mixtures thereof. The saccharinic acid may be conveniently derived from the alkali treatment of monosaccharides and oligosaccharides inherently contained in spent sulfite liquor by heating at a temperature of 50.degree. C. to 150.degree. C., preferably at 80.degree. C. to 100.degree. C.

REFERENCES:
patent: 3219582 (1965-11-01), Gaertner
patent: 4668416 (1987-05-01), Neal
Report entitled "Sprinkle Lightly--Salt and Alternatives for Highway De-Icing", Canadian Government Report No. MSP-84-01, published by the Ontario Ministry of Transportation and Communications, 7-1984.

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