Alkyl perfluoroalkene ethers and uses thereof
View Patent ↗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.
1. A method for transferring heat comprising:
a. providing a device; and
b. using a heat-transfer fluid to transfer heat to or from the device, wherein the heat-transfer fluid comprises at least one unsaturated fluoroether having the formula CF 3 (CF 2 ) x CF═CFCF(OR)(CF 2 ) y CF 3 , wherein x and y are 1, and R is CH 3 .
2. The method of claim 1 , wherein the unsaturated fluoroether has a viscosity of less than 100 centistokes at −31° C.
3. The method of claim 1 , wherein the unsaturated fluoroether has a viscosity of less than 20 centistokes at −31° C.
4. An apparatus requiring heat transfer comprising:
a. a device; and
b. a mechanism for transferring heat to or from the device; comprising using a heat transfer fluid, wherein the heat transfer fluid comprises at least one unsaturated fluoroether having the formula CF 3 (CF 2 ) x CF═CFCF(OR)(CF 2 ) y CF 3 , wherein x and y are 1, and R is CH 3 .
5. The apparatus of claim 4 , wherein the device is heated.
6. The apparatus of claim 4 , wherein the device is cooled.
7. The apparatus of claim 4 , wherein the device is maintained at a selected temperature.
8. The apparatus of claim 4 , wherein the device is a microprocessor, wafer used to manufacture semiconductor devices, power control semiconductor, electrical distribution switch gear, power transformer, circuit board, multi-chip module, packaged and unpackaged semiconductor device, chemical reactor, nuclear reactor, fuel cell, laser, or missile component.