C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01) C08J 9/14 (2006.01)
Patent
CA 2227915
The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture comprises: (a) pentafluoropropane; and (b) a hydrofluorocarbon of the formula CxFyHz, wherein x is 3, 4, 5, or 6 and y and z are each independently 1 or a positive whole number such that the result of y/(y + z) is greater than 0.67.
La présente invention concerne des mélanges de nature azéotrope de composés fluorés convenant comme fluides caloporteurs et/ou réfrigérants pour le chauffage ou la réfrigération. Ce mélange de nature azéotrope comprend: (a) du pentafluoropropane, et (b) un hydrofluorocarbone représenté par la formule C¿x?F¿y?H¿z? dans laquelle x est 2, 4, 5 ou 6 et y et z sont chacun indépendamment 1 ou un entier positif tels que le rapport y/(y + z) soit supérieur à 0,67.
Basu Rajat Subhra
Nalewajek David
Singh Rajiv Ratna
Swan Ellen Louise
Wilson David Paul
Electric Power Research Institute
Gowling Lafleur Henderson Llp
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