Corrosion inhibitors and deicing agents

Details Corrosion inhibitors and deicing agents Corrosion inhibitors and deicing agents

1989-08-10

1991-01-22

Lieberman, Paul

Compositions

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

252 75, 252 781, 252 72, 252 71, C09K 318, C09K 500

Patent

active

049869256

ABSTRACT:
A process and composition for controlling ice and/or snow with reduced corrosion involves a mixture comprising an alkali metal salt; a lignosulfonate; and a corrosion reducing additive in the form of a salt of aluminum, antimony, cadium, cobalt, manganese, nickel, zinc, and combinations thereof.

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Kishitani, "Corrosion of Iron in Reinforced Concrete. Protective Effect of Calcium Lignosulfonate for Corrosion by Chloride", CA 74:145890.
Knoefel, "Corrosion of Concrete", CA 96:73669.
"Using Alkaline Sulfate Lignin for Modification of Polypropylene Compositions", CA 86:172319c.
Antonio, "Steel and Corrosion Some Methods of Protection", 67:14056.
"SRI Scientists Sees Alternative to Chloride Salts in Deicing Roads", Chemical Marketing Reporter, Aug. 27, 1984.
Robert L. Chance, "Corrosion, Deicing Salts, and the Environment", Materials Performance, Oct. 1974, pp. 16-22.
Dunn et al., "Alternative Highway Deicing Chemicals", Spec. Rept.-Natl. Res. Counc. Transp. Res. Board, vol. 185, pp. 261-269 (1979).

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