Heat Transfer Compositions
AssigneeMexichem Amanco Holdings S.A. De C.V.
InventorRobert Elliott Low
Life of this patent
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Abstract
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.
Claims68
A composition comprising:
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A heat transfer device containing a composition comprising
- (i) R-1243zf;
- 1) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
(canceled)
A foam obtainable from a foamable composition comprising one or more components capable of forming foam and a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2) R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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, wherein the one or more components capable of forming foam are selected from polyurethanes, thermoplastic polymers and resins, and mixtures thereof.
A foam comprising a composition including
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A method for cooling an article which comprises
- (a) condensing a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- (b) thereafter evaporating the composition in the vicinity of the article to be cooled.
A method for heating an article which comprises
- (a) condensing a composition in the vicinity of the article to be heated, wherein the composition comprises
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- (b) thereafter evaporating the composition.
A method for extracting a substance from biomass comprising
- (a), contacting biomass with a solvent comprising a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- (b) separating the substance from the solvent.
A method of cleaning an article comprising contacting the article with a solvent comprising a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A method of extracting a material from an aqueous solution comprising
- (a) contacting the aqueous solution with a solvent comprising a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2) R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- (b) separating the substance from the solvent.
A method for extracting a material from a particulate solid matrix comprising
- (a) contacting the particulate solid matrix with a solvent comprising a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- (b) separating the material from the solvent.
A mechanical power generation device containing a composition comprising
- (i) R-1243zf,
- ii a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A method of retrofitting a heat transfer device comprising the step of removing an existing heat transfer fluid, and introducing a composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A method for reducing the environmental impact arising from the operation of a product comprising an existing compound or composition, the method comprising replacing at least partially the existing compound or composition with a second composition comprising
- (i) R-1243zf;
- (ii) a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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.
A method for preparing a heat transfer device which heat transfer device contains R-134a, the method comprising introducing R-1243zf and a second component selected from R-32 (difluoromethane), R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof into a heat transfer device containing an existing heat transfer fluid which is R-134a.
A method for generating greenhouse gas emission credit comprising:
- (a) replacing an existing compound or composition with a second composition wherein the second composition comprises
- (i) R-1243zf;
- (ii) a second component selected from R-32 difluoromethane R-744 (CO2), R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof;
- and
- (iii) 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;
- and
- wherein the second composition has a lower GWP than the existing compound or composition;
- and
- (b) obtaining greenhouse gas emission credit for said replacing step.
(canceled)
Dependencies are inferred from the claim text.