C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/00 (2006.01)
Patent
CA 2552625
Disclosed herein are refrigerant or heat transfer fluid compositions further comprising fluoroether, 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane, and hydrofluorocarbon, which are useful in refrigeration or air conditioning apparatus or as heat transfer fluids. The compositions of the present invention are also useful in centrifugal compressor apparatus that employ two- stage compressors or single slab/single pass heat exchangers.
L'invention porte sur des compositions réfrigérantes ou des compositions à fluide caloporteur comprenant en outre du fluoroether, 1,1,1,2,2,3,3,4,4-nonafluoro-4-méthoxybutane et des hydrofluorocarbones, qui sont d'utilité dans les appareils de réfrigération ou de climatisation ou en tant que fluides caloporteurs. Lesdites compositions sont également utiles dans les compresseurs centrifuges qui font appel à des compresseurs à double étage ou à des échangeurs thermiques mono-étage et/ou à passage unique.
Minor Barbara Haviland
Nappa Mario J.
Sievert Allen C.
E.i. Du Pont de Nemours And Company
Torys Llp
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