Trifluoroethylene-based compositions and uses thereof

Abstract

A composition including: trifluoroethylene; pentafluoroethane; and at least one compound C chosen from the group constituted by difluoromethane, 1,1,1-trifluoropropene, trifluoroethane, 1,1,1,2-tetrafluoroethane, monofluoroethane, 1,1,1,4,4,4-hexafluorobut-2-ene, 3,3,4,4,4-pentafluorobut-1-ene, 2,4,4,4-tetrafluorobut-1-ene, 1,1,1,3,3-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 1,1,2,2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1,3,3-pentafluorobutane, butane, 1,1,1,2,3,3,3-heptafluoropropane, 1-chlorotrifluoropropene, 2-methylbutane, pentane, propane, and mixtures thereof. Also, the uses thereof in refrigeration, air conditioning and heat pumps.

1 . A composition comprising:
 trifluoroethylene;   pentafluoroethane; and   at least one compound C chosen from the group constituted by difluoromethane, 1,1,1-trifluoropropene, trifluoroethane, 1,1,1,2-tetrafluoroethane, monofluoroethane, 1,1,1,4,4,4-hexafluorobut-2-ene, 3,3,4,4,4-pentafluorobut-1-ene, 2,4,4,4-tetrafluorobut-1-ene, 1,1,1,3,3-pentafluoropropane, 1,1,2,2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1,3,3-pentafluorobutane, butane, 1,1,1,2,3,3,3-heptafluoropropane, 1-chlorotrifluoropropene, 2-methylbutane, pentane, propane, and mixtures thereof.   
     
     
         2 . The composition as claimed in  claim 1 , in which the weight content of trifluoroethylene is greater than or equal to 5%. 
     
     
         3 . The composition as claimed in  claim 1 , in which the weight content of pentafluoroethane is greater than or equal to 1%. 
     
     
         4 . The composition as claimed in  claim 1 , in which the weight content of compound(s) C is greater than or equal to 5%. 
     
     
         5 . The composition as claimed in  claim 1 , wherein it is chosen from one of the following compositions:
 from 5% to 95% by weight of trifluoroethylene;   from 5% to 95% by weight of pentafluoroethane; and   from 5% to 95% by weight of at least one compound C,   
       or
 from 10% to 80% by weight of trifluoroethylene; 
 from 10% to 80% by weight of pentafluoroethane; and 
 from 5% to 95% by weight of at least one compound C, 
 
       or
 from 10% to 55% by weight of trifluoroethylene; 
 from 10% to 55% by weight of pentafluoroethane; and 
 from 10% to 80% by weight of at least one compound C, 
 
       or
 from 10% to 55% by weight of trifluoroethylene; 
 from 10% to 55% by weight of pentafluoroethane; and 
 from 5% to 55% by weight of at least one compound C, 
 
       or
 from 5% to 35% by weight of trifluoroethylene; 
 from 1% to 10% by weight of pentafluoroethane; and 
 from 60% to 90% by weight of at least one compound C. 
 
     
     
         6 . The composition as claimed in  claim 1 , wherein compound C is 1,1,1,2-tetrafluoroethane. 
     
     
         7 . The composition as claimed in  claim 6 , wherein it is chosen from one of the following compositions:
 from 10% to 55% by weight of trifluoroethylene;   from 10% to 55% by weight of pentafluoroethane; and   from 5% to 60% by weight of 1,1,1,2-tetrafluoroethane,   
       or
 from 10% to 30% by weight of trifluoroethylene; 
 from 20% to 50% by weight of pentafluoroethane; and 
 from 30% to 60% by weight of 1,1,1,2-tetrafluoroethane, 
 
       or
 from 20% to 55% by weight of trifluoroethylene; 
 from 20% to 45% by weight of pentafluoroethane; and 
 from 30% to 60% by weight of 1,1,1,2-tetrafluoroethane, 
 
       or
 from 30% to 55% by weight of trifluoroethylene; 
 from 20% to 50% by weight of pentafluoroethane; and 
 from 10% to 50% by weight of 1,1,1,2-tetrafluoroethane, 
 
       or
 from 40% to 55% by weight of trifluoroethylene; 
 from 30% to 55% by weight of pentafluoroethane; and 
 from 5% to 30% by weight of 1,1,1,2-tetrafluoroethane. 
 
     
     
         8 . The composition as claimed in  claim 1 , comprising:
 trifluoroethylene;   pentafluoroethane;   1,1,1,2-tetrafluoroethane; and   2,3,3,3-tetrafluoropropene.   
     
     
         9 . The composition as claimed in  claim 8 , wherein it is chosen from one of the following compositions:
 from 5% to 60% by weight of trifluoroethylene;   from 5% to 60% by weight of pentafluoroethane;   from 1% to 50% by weight of 1,1,1,2-tetrafluoroethane; and   from 1% to 60% by weight of 2,3,3,3-tetrafluoropropene,   
       or
 from 5% to 60% by weight of trifluoroethylene; 
 from 5% to 60% by weight of pentafluoroethane; 
 from 5% to 50% by weight of 1,1,1,2-tetrafluoroethane; and 
 from 5% to 50% by weight of 2,3,3,3-tetrafluoropropene, 
 
       or
 from 5% to 55% by weight of trifluoroethylene; 
 from 10% to 55% by weight of pentafluoroethane; 
 from 5% to 40% by weight of 1,1,1,2-tetrafluoroethane; and 
 from 5% to 40% by weight of 2,3,3,3-tetrafluoropropene, 
 
       or
 from 5% to 25% by weight of trifluoroethylene; 
 from 10% to 55% by weight of pentafluoroethane; 
 from 10% to 40% by weight of 1,1,1,2-tetrafluoroethane; and 
 from 10% to 40% by weight of 2,3,3,3-tetrafluoropropene, 
 
       or
 from 30% to 55% by weight of trifluoroethylene; 
 from 20% to 55% by weight of pentafluoroethane; 
 from 5% to 20% by weight of 1,1,1,2-tetrafluoroethane; and 
 from 5% to 20% by weight of 2,3,3,3-tetrafluoropropene. 
 
     
     
         10 . The composition as claimed in  claim 1 , wherein it has a GWP of less than 2000 
     
     
         11 . A heat-transfer fluid comprising the composition as claimed in  claim 1 . 
     
     
         12 . A method of replacement, the method comprising replacing R404A, R452A, R449A, R449C, R448A, R22, R134a, R152a, R422, R502, R407A, R407F, R407C, R1234yf or R1234ze with the composition as claimed in  claim 1 . 
     
     
         13 . A heat-transfer composition comprising the composition as claimed in  claim 1  and at least one additive chosen from nanoparticles, stabilizers, surfactants, tracing agents, fluorescent agents, odorous agents, lubricants, and solubilizing agents. 
     
     
         14 . A heat-transfer system containing a vapor compression circuit comprising the composition as claimed in  claim 1 . 
     
     
         15 . A heat-transfer facility comprising a vapor compression circuit containing a composition comprising:
 trifluoroethylene;   pentafluoroethane; and   at least one compound C chosen from the group constituted by difluoromethane, 1,1,1-trifluoropropene, trifluoroethane, 1,1,1,2-tetrafluoroethane, monofluoroethane, 1,1,1,4,4,4-hexafluorobut-2-ene, 3,3,4,4,4-pentafluorobut-1-ene, 2,4,4,4-tetrafluorobut-1-ene, 1,1,1,3,3-pentafluoropropane, 1,1,2,2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1,3,3-pentafluorobutane, butane, 1,1,1,2,3,3,3-heptafluoropropane, 1-chlorotrifluoropropene, 2-methylbutane, pentane, propane, and mixtures thereof.   
     
     
         16 . A process for heating or cooling a fluid or a body by means of a vapor compression circuit containing a heat-transfer fluid, said process successively comprising the evaporation of the heat-transfer fluid, the compression of the heat-transfer fluid, the condensation of the heat-transfer fluid and the expansion of the heat-transfer fluid, in which the heat-transfer fluid is a composition as claimed in  claim 1 . 
     
     
         17 . The process as claimed in  claim 16 , chosen from:
 a process for cooling a fluid or a body, in which the temperature of the cooled fluid or body is from −40° C. to −10° C.;   a process for cooling a fluid or a body, in which the temperature of the cooled fluid or body is from −15° C. to 15° C.; and   a process for heating a fluid or a body, in which the temperature of the heated fluid or body is from 30° C. to 80° C.