Cooling agent mixture for low-temperature freezing processes

Details Cooling agent mixture for low-temperature freezing processes Cooling agent mixture for low-temperature freezing processes

C - Chemistry, Metallurgy

09

K

31/60

C09K 3/00 (2006.01) C09K 5/06 (2006.01)

Patent

CA 1096600

HD31796 COOLING AGENT MIXTURE FOR LOW-TEMPERATURE FREEZING PROCESSES ABSTRACT OF THE DISCLOSURE 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. I

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