Heat transfer compositions

Details Heat transfer compositions Heat transfer compositions

C - Chemistry, Metallurgy

09

K

C09K 5/04 (2006.01) C08J 9/14 (2006.01) C09K 3/30 (2006.01) C11D 7/50 (2006.01)

Patent

CA 2758412

The invention provides a heat transfer composition comprising: (i) 1,3,3,3- tetrafluoroprop-1-ene (R1234ze, CF3CH=CHF) (ii) a second component comprising R-1243zf, (3,3,3 trifluoropropene) or a difluoropropene (R-1252) selected from R-1252zf, R-1252yf, R-1252ye R- 1252ze and R-1252zc, and mixtures thereof; and (iii) a third component selected from R32 (difluoromethane), R744 (C02), R41 (fluoromethane), R1270 (propene), R290 (propane), R161 (fluoroethane) and mixtures thereof.

L'invention porte sur une composition de transfert de chaleur comprenant : (i) du 1,3,3,3-tétrafluoroprop-1-ène (R1234ze, CF3CH=CHF) ; (ii) un deuxième composant comprenant du R-1243zf, (le 3,3,3 trifluoropropène) ou un difluoropropène (R-1252) choisi parmi R-1252zf, R-1252yf, R-1252ye R-1252ze et R-1252zc, et des mélanges de ceux-ci ; et (iii) un troisième composant choisi parmi R32 (le difluorométhane), R744 (le CO2), R41 (le fluorométhane), R1270 (le propène), R290 (le propane), R161 (le fluoroéthane) et des mélanges de ceux-ci.

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