1-ETHOXY-1,1,2,2,3,3,4,4,4-NONAFLUOROBUTANE REFRIGERANT COMPOSITIONS COMPRISING A FLUOROETHER AND USES THEREOF

摘要

Disclosed here in are refrigerant or heat transfer fluid compositions comprising C4F9OC2H5 compositions and at least one hydrofluoroether, which are useful in refrigerain or air conditioning apparatus or as heat transfer fluids. The compositions of the present invention are also useful in centrifugal compressor apparatusthat employ two-stage compressors or single slab.single pass heat exchangers.