C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/00 (2006.01)
Patent
CA 2553276
Disclosed herein are 1-ethoxy-1,1, 2,2,3,3,4,4,4-nonafluorobutane refrigerant or heat transfer fluid compositions further comprising at least one 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 or other multi-stage centrifugal compressors or single slab single pass heat exchangers.
L'invention concerne des compositions de réfrigérants 1-éthoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane ou de fluides de transfert thermique contenant au moins un hydrofluorocarbone, pouvant être employées dans des appareils de réfrigération ou de climatisation ou en tant que fluides de transfert thermique. Les compositions selon l'invention peuvent également être employées dans des appareils à compresseurs centrifuges faisant intervenir des compresseurs à deux étages ou multi-étages ou des échangeurs thermiques à plaque/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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