HFO-1234ze and HFO-1234yf compositions and processes for producing and using the compositions
AssigneeThe Chemours Company Fc, LLC
InventorsSheng Peng, Mario Joseph Nappa
Life of this patent
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Abstract
A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene, and optionally 1,1,1,3,3-pentafluoropropane wherein the 2,3,3,3-tetrafluoropropene being present in an amount of 0.001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.
Claims19
A composition refrigerant comprising E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)), 2,3,3,3-tetrafluoropropene (HFO-1234yf), and additional compounds comprising 1,1,1,3,3-pentafluoropropane (HFC-245fa), 3,3,3-trifluoropropene (HFO-1243zf), and 1,1,1,2,2-pentafluoropropane (HFC-245cb), wherein based on the total fluoroolefin composition the amount of HFO-1234ze(E) is about 99 mole percent, the HFO-1234ze(Z) is present and in an amount up to 500 ppm, and the amount of HFO-1234yf is from 0.01 mole percent to 0.9 mole percent.
A refrigerant comprising Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)), E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 3,3,3-trifluoropropene (HFO-1243zf) and 1,1,1,2,2-pentafluoropropane (HFC-245cb), and further comprising at least one member selected from the group consisting of 1,2,3,3-tetrafluoro-1-propene (HFC-1234ye), difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,1-trifluoroethane (HFC-143a), 1,1-difluoroethane (HFC-152a), fluoroethane (HFC-161), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethylether, CF3SCF3, CO2, and CF3I, wherein based on the total fluoroolefin composition, the amount of HFO-1234ze(E) is at least about 99 mole percent, the amount of HFO-1234ze(Z) is greater than zero and up to about 500 ppm, and the amount of HFO-1234yf is between 0.01 mole and 0.9 mole percent.
A refrigerant comprising Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)), E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 3,3,3-trifluoropropene (HFO-1243zf) and 1,1,1,2,2-pentafluoropropane (HFC-245cb) and at least one member selected from the group consisting of 1,1,1-trifluoroethane (R-143a), 1,1-difluoroethane (R-152a), 2-chloro-3,3,3-trifluoropropene (R-1233xf), 1-chloro-3,3,3-trifluoropropene (E)(E-1233zd), 1-chloro-3,3,3-trifluoropropene (Z) (Z-1233zd), 1-chloro-2,3,3,3-tetrafluoroprop-1-ene (1224yd), 3-chloro-1,1,3,3-tetrafluoroprop-1-ene (1224zc), 2-chloro-1,1,1,4,4,4-hexafluoro-2-butene (1326mxz), 1,1,2-trichlorotrifluoroethane (HCFC-113), difluoromethane (HFC-32), trifluoromethane (HFC-23), and 1,1,1,4,4,4-hexafluorobutane (HFC-356mff), wherein based on the total fluoropropene composition, the amount of HFO-1234ze(E) is at least about 98 mole percent, the HFO-1234ze(Z) is present but in an amount of less than 1000 ppm, and the amount of HFO-1234yf is between 0.01 mole and 0.5 mole percent.
An HFO-1234ze composition based on the total fluoropropene composition consists essentially of about 99 mole percent HFO-1234ze(E), between 0.01 and to 0.9 mole percent 2,3,3,3-tetrafluoropropene (HFO-1234yf), between greater than zero and up to 500 ppm HFO-1234ze(Z), and the balance of the composition including 1,1,1,3,3-pentafluoropropane (HFC-245fa), 3,3,3-trifluoropropene (HFO-1243zf), 1,1,1,2,2-pentafluoropropane (HFC-245cb), optionally one of HCFO-1233xf and HFO-1233zd, and at least one member selected from the group consisting of 1,2,3,3-tetrafluoro-1-propene (HFC-1234ye), difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,1-trifluoroethane (HFC-143a), 1,1-difluoroethane (HFC-152a), fluoroethane (HFC-161), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethylether, CF3SCF3, CO2, and CF3I, and optionally a lubricant.
A refrigerant composition comprising E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), and additionally 1,1,1, 3,3-pentafluoropropane (HFC-245fa), 3,3,3-trifluoropropene (HFO-1243zf), 1,1,1,2,2-pentafluoropropane (HFC-245cb), 1,2,3,3-tetrafluoro-1-propene (HFC-1234ye), difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2-tetrafluoroethane (HFC-134a), 1,1,1-trifluoroethane (HFC-143a), 1,1-difluoroethane (HFC-152a), fluoroethane (HFC-161) and 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), wherein based on the total fluoroolefin composition the amount of HFO-1234ze(E) is at least about 99 mole percent, the HFO-1234ze(Z) is present and in an amount between greater than 0 and less than about 500 ppm, and the amount of HFO-1234yf is between 0.1 mole and 0.9 mole percent.
A composition refrigerant comprising a blend of (1) E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) and 2,3,3,3-tetrafluoropropene (HFO-1234yf), and (2) pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,1,2,2-pentafluoropropane (HFC-245cb), 1,1,1-trifluoroethane (HFC-143a) and 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), wherein based on the total fluoroolefin composition the amount of HFO-1234ze(E) is at least about 99 mole percent, the HFO-1234ze(Z) is present in an amount that is greater than zero and less than about 500 ppm, and the amount of HFO-1234yf is between 0.01 mole and 0.9 mole percent.
A composition refrigerant comprising a blend of (1) E-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), Z-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) in an amount greater than 0 and up to about 500 ppm, 2,3,3,3-tetrafluoropropene (HFO-1234yf) and (2) pentafluoroethane (HFC-125), 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1,1,2,2-pentafluoropropane (HFC-245cb), 1,1,1-trifluoroethane (HFC-143a), 1,1-difluoroethane (HFC-152a) and 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), wherein based on the total fluoroolefin composition the amount of HFO-1234ze(E) is at least about 99 mole percent and the amount of HFO-1234yf is between 0.1 mole and 0.5 mole percent.
Dependencies are inferred from the claim text.