| abstract |
Disclosed are methods of transferring heat comprising providing a device, using a heat-transfer fluid to transfer heat to or from the device, wherein the heat-transfer fluid compositions comprise at least one unsaturated fluoroether having the formula CF 3 (CF 2 ) x CF═CFCF(OR)(CF 2 ) y CF 3 , CF 3 (CF 2 ) x C(OR)═CFCF 2 (CF 2 ) y CF 3 , CF 3 CF═CFCF(OR)(CF 2 ) x (CF 2 ) y CF 3 , CF 3 (CF 2 ) x CF═C(OR)CF 2 (CF 2 ) y CF 3 , or mixtures thereof, wherein R can be either CH 3 , C 2 H 5 or mixtures thereof, and wherein x and y are independently 0, 1, 2 or 3, and wherein x+y=0, 1, 2 or 3. |