Deicer

Details Deicer Deicer

1993-09-09

1994-12-27

Group, Karl

Compositions

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

252 76, 252 79, 106 13, 562607, 562609, C09K 318

Patent

active

053762932

ABSTRACT:
Improved deicer compositions containing crystalline double salts formed from mixtures of relatively low molecular weight carboxylic acids (for example, mixtures of formic acid and acetic acid) are provided. The deicer compositions are generally prepared by neutralizing an aqueous mixture containing at least two carboxylic acids or salts thereof, adjusting the pH to between about 7 and about 10, and drying the aqueous mixture to obtain a double salt crystalline product. Double salts containing sodium cations and double salts containing sodium cations and at least one cation selected from the group consisting of potassium, calcium, and magnesium provide effective deicing compositions which are environmentally safer than conventional deicing compositions.

REFERENCES:
patent: 3057731 (1962-10-01), Froman
patent: 4377488 (1983-03-01), Gancy
patent: 4448702 (1984-05-01), Kaes
patent: 4562284 (1985-12-01), Drent
patent: 4664832 (1987-05-01), Sandvig et al.
patent: 4855071 (1989-08-01), Todd, Jr. et al.
Palmer, Transportation Research Record 1127, 1987 (published by Amoco Cheals Company, P.O. Box 400, Naperville, Ill. 60566) no month.

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