1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone...

Details 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone... 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone...

F - Mech Eng,Light,Heat,Weapons

25

D

F25D 1/00 (2006.01)

Patent

CA 2564168

Disclosed herein are refrigerant and heat transfer fluid compositions comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and at least one hydrofluorocarbon for use in refrigeration and air conditioning systems employing a centrifugal compressor. The compositions may be azeotropic or near-azeotropic.

Sont décrits ci-joint, un mélange réfrigérant et un fluide thermo diffuseur comprenant 1, 1, 1, 2, 2, 4, 5, 5, 5-nonafluoro-4-(trifluorométhyle) et au moins un hydrofluorocarbone destinés à la réfrigération et aux systèmes d~air conditionné utilisant un compresseur centrifuge. Ces mélanges peuvent être azéotropiques ou presque azéotropiques.

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