HFO-1234ZE, HFO-1225ZC and HFO-1234YF compositions and processes for producing and using the compositions

Patent metadata

Field	Value
Publication number	US-11732932-B2
Application number	US-202318102007-A
Country	US
Kind code	B2
Filing date	Jan 26, 2023
Priority date	Oct 26, 2018
Publication date	Aug 22, 2023
Grant date	Aug 22, 2023

Abstract

A fluoropropene composition comprising Z-1,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 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 0.00001 to 1.0%. A method of producing the fluoropropene, methods for using the fluoropropene and the composition formed are also disclosed.

First claim

What is claimed is:

1. A fluoropropene composition comprising greater than 0 and less than 500 ppm Z-1,3,3,3-tetrafluoropropene based on the total fluoropropene composition, E-1,3,3,3-tetrafluoropropene, and between 0.01 and 0.5 mol % of 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea) and 2,3,3,3-tetrafluoropropene (HFO-1234yf) based on the total fluoropropene composition, and further comprising at least at least one of R-1225ye, R-1336mzz and R-1233zd.

2. The composition of claim 1 , wherein the 2,3,3,3-tetrafluoropropene is present in an amount of 0.3 to 0.4 mol % based on the total fluoropropene composition.

3. The composition of claim 1 , further comprising at least one of HFC-245fa and HFC-245cb present in an amount of between 0.001 mole percent and 2 mole percent, based on the total fluoropropene composition.

4. The composition of claim 1 , wherein the fluoropropene composition includes R-1233zd(E) in an amount of 0.7 mole percent to 1.15 mole percent, based on the total fluoropropene composition.

5. The composition of claim 1 , wherein the fluoropropene composition includes R-1233zd(Z) in an amount of 0.05 mole percent to 0.25 mole percent, based on the total fluoropropene composition.

6. The composition of claim 1 , wherein the fluoropropene composition includes R-143a in an amount of 0.05 mole percent to 0.25 mole percent, based on the total fluoropropene composition.

7. The composition of claim 1 comprising 17 mol % R-1336mzz based on the total fluoropropene composition.

8. The composition of claim 1 wherein the composition is near azeotropic.

9. A process for transferring heat, comprising:
providing an article;
contacting the article with a heat transfer media;
wherein the heat transfer media comprises the fluoropropene composition of claim 1 .

10. A refrigeration system, comprising:
an evaporator; a condenser;
a compressor;
an expansion device; and a heat transfer media;
wherein the heat transfer media comprises the fluoropropene composition of claim 1 .

11. The composition of claim 1 comprises 1,1,1,4,4,4-hexafluoro-2-butene 1336mzz(E).

12. The composition of claim 11 containing about 17 mol % of, 1,1,4,4,4-hexafluoro-2-butene 1336mzz(E) based on the total fluoropropene composition.

13. A process comprising replacing older generation refrigerants, including R404A and R502a with the refrigerant composition claim 12 .

14. The composition of claim 1 , further comprising at least one of HFC-245fa and HFC-245cb present in an amount of between 0.001 mole percent and 2 mole percent, based on the total fluoropropene composition.

15. A fluoropropene composition comprising greater than 0 and less than 500 ppm Z-1,3,3,3-tetrafluoropropene based on the total fluoropropene composition, E-1,3,3,3-tetrafluoropropene, about 17 mol % HFO-1336mzz based on the total fluoropropene composition and between 0.01 and 0.5 mol % of 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea) and 2,3,3,3-tetrafluoropropene (HFO-1234yf) based on the total fluoropropene composition, and further comprising at least at least one of R-1225ye and R-1233zd.

16. A process for transferring heat, comprising:
providing an article;
contacting the article with a heat transfer media; and
wherein the heat transfer media comprises the fluoropropene composition of claim 15 .

17. A refrigeration system, comprising:
an evaporator; a condenser;
a compressor;
an expansion device; and a heat transfer media;
wherein the heat transfer media comprises the fluoropropene composition of claim 15 .

18. A fluoropropene composition comprising greater than 0 and less than 500 ppm Z-1,3,3,3-tetrafluoropropene based on the total fluoropropene composition, E-1,3,3,3-tetrafluoropropene, and between 0.0001 and 0.1 mol % 2,3,3,3-tetrafluoropropene (HFO-1234yf) based on the total fluoropropene composition, and further comprising at least at least one of R-1225ye, R-1336mzz and R-1233zd.

19. The composition of claim 18 , wherein R-1233zd(E) or R-1223zd(E) is present in an amount of 0.0001 mole percent to 1.15 mole percent, based on the total fluoropropene composition.

20. The composition of claim 18 , wherein the fluoropropene composition from 0.0001 mole percent R-143a to 0.25 mole percent, based on the total fluoropropene composition.

21. The composition of claim 18 comprising about 17 weight % R-1336mzz based on the total fluoropropene composition.

22. The composition of claim 18 comprising 0.57 to 87.5 weight percent E-1,3,3,3-tetrafluoropropene.

23. The composition of claim 21 comprising 0.57 to 87.5 weight percent E-1,3,3,3-tetrafluoropropene.

24. A process for transferring heat, comprising:
providing an article;
contacting the article with a heat transfer media;
wherein the heat transfer media comprises the fluoropropene composition claim 18 .

25. A refrigeration system, comprising:
an evaporator; a condenser;
a compressor;
an expansion device; and a heat transfer media;
wherein the heat transfer media comprises the fluoropropene composition claim 18 .

26. The composition of claim 18 , wherein R-1233zd(E) or R-1223zd(E) is present in an amount of 0.0001 mole percent to 1.15 mole percent, based on the total fluoropropene composition.

Assignees

• Chemours Co Fc Llc

Inventors

• Peng Sheng
• Nappa Mario Joseph

Classifications

• C07C19/08

  containing fluorine · CPC title

• F25B13/00 Primary

  Compression machines, plants or systems, with reversible cycle (defrosting cycles F25B47/02) · CPC title

• C07C17/357

  by dehydrogenation · CPC title

• C07C21/18

  containing fluorine · CPC title

• C07C17/25 Primary

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