Cooling agent mixture containing ethylene glycol monoacetate, et

Details Cooling agent mixture containing ethylene glycol monoacetate, et Cooling agent mixture containing ethylene glycol monoacetate, et

1978-06-12

1980-03-11

Pitlick, Harris A.

Compositions

Etching or brightening compositions

C09K 500

Patent

active

041927605

ABSTRACT:
A cooling agent mixture useful in low-temperature freezing processes is disclosed. The mixture comprises, based upon the total weight of the mixture, from about 15 to about 35% ethylene glycol monoacetate and ethylene glycol diacetate, the ratio of the monoacetate to the diacetate being from about 1:9 to about 9:1; and from about 35 to about 65% glycol monomethyl ether. The mixture may also comprise from about 0 to about 18% monovalent, short-chained alcohol, or mixture thereof, from about 0 to about 3% of a corrosion inhibitor, and from about 0 to about 40% water. The compositions have outstanding cooling characteristics and possess viscosities acceptable for use in typical cooling installations.

REFERENCES:
patent: 1952105 (1934-03-01), Tseng
patent: 2160095 (1939-05-01), Smith
patent: 3003968 (1961-10-01), Bruce et al.

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