Compositions comprising 2,3,3,3 tetrafluoropropene and methods for making and using the compositions

Patent metadata

Field	Value
Publication number	US-12522758-B2
Application number	US-202117797578-A
Country	US
Kind code	B2
Filing date	Feb 5, 2021
Priority date	Feb 7, 2020
Publication date	Jan 13, 2026
Grant date	Jan 13, 2026

Abstract

Disclosed are compositions comprising HCFC-244bb and/or HFO-1234yf and at least one additional compound. Compositions comprising HCFC-244bb 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.

First claim

The following is claimed:

1 . A composition comprising 1234yf, 1225zc, 1234ze, 1243zf, 1140, Z-1225ye, E-1225ye, and HFC-134a.

2 . The composition of claim 1 further comprising at least one additional compound comprising at least one member selected from the group consisting of 1131a, 244bb, 1233xf, 244cc, 1224yd, HFP, 1122, 1122a, 12, E-1131, Z-1131, 245cb, 3,3,3-trifluoropropyne, 124, 142b, 254eb, 347 isomers and combinations thereof.

3 . The composition of claim 2 wherein the at least one additional compound further comprises at least one additional compound comprising at least one member selected from the group consisting of HFC-245cb, CFC-12, HFC-254eb, HCFC-1122, HCFC-124, HCFC-142b, HCFC-151a, HFC-152a, 3,3,3-trifluoropropyne, 1122a-Z and combinations thereof.

4 . The composition of claim 2 wherein the at least one additional compound further comprises at least one additional compound comprising at least one member selected from the group consisting of 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, HCFC-1131, HFC-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, HFC-227ca and combinations thereof.

5 . The composition of claim 1 further comprising at least one additional compound comprising at least one member selected from the group consisting of HFC-245cb, CFC-12, HFC-254eb, HCFC-1122, HCFC-124, HCFC-142b, HCFC-151a, HFC-152a, 3,3,3-trifluoropropyne, 1122a-Z and combinations thereof.

6 . The composition of claim 1 further comprising at least one additional compound comprising at least one additional compound selected from the group consisting of 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, HCFC-1131, HFC-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, HFC-227ca and combinations thereof.

7 . The composition of claim 1 wherein the total amount of 1225zc, 1234ze, 1243zf, 1140, Z-1225ye, E-1225ye, and HFC-134a is greater than zero and less than 1 wt. %.

8 . The composition of claim 7 further comprising at least one member selected from the group consisting of 32, 125 and 161.

9 . The composition of claim 8 wherein the composition comprises 32 in an amount from about 5 to about 70 wt. % based on a total weight of the composition.

10 . The composition of claim 8 wherein the composition comprises 161 in an amount from about 1 to about 10 wt. % based on a total weight of the composition.

11 . The composition of claim 8 wherein the composition comprises 125 in an amount from about 5 to about 70 wt. % based on a total weight of the composition.

12 . The composition of claim 1 wherein the 347 isomers comprise at least one member selected from the group consisting of 347mpy and 347mef.

13 . A method for making the composition of claim 1 comprising reacting a composition comprising HCFC-244bb and at least one additional compound selected from the group consisting of 1120, 1334, 244cc, 1233xf, 1223xd, 1224, 225ba, 226ca, 233ab, 233da, 234bb, 234da, 235ca, 235da, 235ea, 243ab, 243db, 244db, 244eb, 253db, 253fb, 1224yd-E, 1233zd, 235cb, and 1224yd-Z, 1326, 1223 isomers and combinations thereof.

14 . The method of claim 13 wherein the reacting comprises a dehydrochlorination reaction.

15 . A refrigerant composition comprising the composition of claim 1 and at least one lubricant.

16 . A method for transferring heat comprising using the refrigerant composition of claim 15 as a working fluid in a heat transfer system.

17 . The method of claim 16 wherein heat transfer systems comprise 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.

18 . A container comprising gaseous and liquid phases of the composition of claim 1 wherein the amount of oxygen and water concentration in the gas and liquid phases ranges from about 3 vol ppm to less than about 3,000 vol ppm at a temperature of about 25 C.

Assignees

• Chemours Co Fc Llc

Inventors

• Sun Xuehui
• Krause Karl Robert

Classifications

• C09K2205/126

  Unsaturated fluorinated hydrocarbons · CPC title

• C09K2205/122

  Halogenated hydrocarbons · CPC title

• C07C21/18

  containing fluorine · CPC title

• C07C17/25

  by splitting-off hydrogen halides from halogenated hydrocarbons · CPC title

• C09K5/044 Primary

  comprising halogenated compounds · CPC title