Coolant composition containing potassium formate and potassium a

Details Coolant composition containing potassium formate and potassium a Coolant composition containing potassium formate and potassium a

1990-08-03

1992-04-14

Lieberman, Paul

Compositions

Etching or brightening compositions

252 75, 252 76, 252 77, C09K 500

Patent

active

051045621

ABSTRACT:
A frost resistant glycol-free coolant composition or process for cooling apparatus is used for cooling, with such composition, which comprises an aqueous solution of a water soluble alkali metal salt, or a mixture of two alkali metal salts. Particularly suitable alkali metal salts are alkali metal acetate and alkali metal formate. Depending on the nature of the particular alkali metal salt or salts, and the extent of frostproofness that is required, the compositon can further contain urea and/or a glycol antifreeze, such as ethylene glycol. Optionally a corrosion inhibitor can also be used.

REFERENCES:
patent: 2233185 (1941-02-01), Smith
patent: 4219433 (1980-08-01), Manabe et al.
patent: 4338209 (1982-07-01), Manabe et al.
patent: 4587028 (1986-05-01), Darden

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