Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF═CHCl, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
1. A composition comprising HFO-1234yf, HCFC-244bb, HCFO-1233xf and at least one additional compound selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HFC-245cb, HFC-245fa, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF═CHC1, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca.
2. The composition of claim 1 containing less than about 1 weight percent of the at least one additional compound.
3. The composition of claim 1 wherein said additional compound comprises HFO-1234ze.
4. The composition of claim 1 wherein said additional compound comprises HFO-1243zf.
5. The composition of claim 1 wherein said additional compound comprises HFC-143a.
6. The composition of claim 1 wherein said additional compound comprises HFO-1243zf and HFO-1234ze.
7. The composition of claim 1 wherein the amount of HCFC-244bb, HCFO-1233xf and the at least one additional compound are greater than 0 and less than about 1 weight percent.
8. A method for carrying heat from a heat source to a heat sink wherein the composition of claim 1 is used as heat transfer fluid.
9. A heat transfer system comprising at least one member selected from the group consisting of air conditioners, freezers, refrigerators, heat pumps, water chillers, flooded evaporator chillers, direct expansion chillers, walk-in coolers, heat pumps, mobile refrigerators, mobile air conditioning units and combinations thereof; and wherein the system comprises a working fluid comprising the composition of claim 1 .
10. The heat transfer system of claim 8 wherein the system comprises a mobile refrigeration apparatus.
11. A refrigerant comprising the composition of claim 1 .
12. The heat transfer system of claim 8 wherein the system comprises a stationary refrigeration apparatus.