Polyglycol lubricants for refrigeration compressors and...

Details Polyglycol lubricants for refrigeration compressors and... Polyglycol lubricants for refrigeration compressors and...

C - Chemistry, Metallurgy

09

K

253/112, 31/63

C09K 5/04 (2006.01) C07C 19/08 (2006.01) C10M 107/34 (2006.01) C10M 145/04 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)

Patent

CA 2007912

ABSTRACT A refrigeration fluid compositions for compression refrigeration which have an upper solution critical temperature equal to or greater than 60°C are composed of (A) selected hydrochlorofluorocarbons and hydrofluorocarbons and (B) polyether polyols having viscosities of greater than 80 centistokes (8 x 10-5 m2/s) at 38°C and having a number average molecular weight of from 400 to 2000 wherein the polyols are the residue of an active hydrogen compound such as glycerine or ethylene diamine. 37,276A-F

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