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 2745518

The invention provides a heat transfer composition comprising: (ii) R-1243zf; (iii) a second component selected from R-32 (difluoromethane), R-744 (CO)2, R- 41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof; and (iv) a third component selected from R-134a (1,1,1,2- tetrafluoroethane), R-125 (pentafluoroethane), R-1234yf (2,3,3,3-tetrafluoroprop-1-ene) and mixtures thereof.

La présente invention concerne une composition de transfert de chaleur comprenant : (ii) du R-1243zf ; (iii) un deuxième composant choisi parmi le R-32 (difluorométhane), le R-744 (CO2), le R-41 (fluorométhane), le R-1270 (propylène), le R-290 (propane), le R-161 (fluoroéthane) et les mélanges de ceux-ci ; et (iv) un troisième composant choisi parmi le R-134a (1,1,1,2-tétrafluoroéthane), le R-125 (pentafluoroéthane), le R-1234yf (2,3,3,3-tétrafluoroprop-1-ène) et les mélanges de ceux-ci.

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