Composition comprising HF and 1,3,3,3-tetrafluoropropene

Patent metadata

Field	Value
Publication number	US-10029963-B2
Application number	US-201414773961-A
Country	US
Kind code	B2
Filing date	Feb 24, 2014
Priority date	Mar 20, 2013
Publication date	Jul 24, 2018
Grant date	Jul 24, 2018

Abstract

An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropene, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane.

First claim

The invention claimed is:

1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from the group consisting of 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 2,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, and 3,3,3-trifluoropropene, in which the boiling point of said composition is between −20° C. and 80° C., and at a pressure of between 0.1 and 44 bar absolute.

2. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds chosen from 1 , 1 , 1 , 2 , 2 -pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro-1,1,1,2-tetrafluoropropane, in which the boiling point of said composition is between −20° C. and 80° C., and at a pressure of between 0.1 and 44 bar absolute.

3. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene and at least one or more organic compounds chosen from 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 3,3,3-trifluoropropene, 1,1,1,2,2-pentafluoropropane and 2,3,3,3-tetrafluoropropene.

4. The composition as claimed in claim 1 , in which the 1,3,3,3-tetrafluoropropene is E-1,3,3,3-tetrafluoropropene.

5. The composition as claimed in claim 1 , in which the 1,3,3,3-tetrafluoropropene is Z-1,3,3,3-tetrafluoropropene.

6. The composition as claimed in claim 1 , in which the composition is heteroazeotropic or quasi-heteroazeotropic.

7. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene, 3,3,3-trifluoro-2-chloropropene and optionally one or more organic compounds chosen from E-3,3,3-trifluoro-1-chloropropene, 3,3,3-trifluoropropene, 1,1,1,2,2-pentafluoropropane and 2,3,3,3-tetrafluoropropene.

8. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene, E-3,3,3-trifluoro-1-chloropropene and optionally one or more organic compounds chosen from 3,3,3-trifluoropropene, 1,1,1,2,2-pentafluoropropane and 2,3,3,3-tetrafluoropropene.

9. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene and optionally one or more organic compounds chosen from 1,1,1,2,2-pentafluoropropane and 2,3,3,3-tetrafluoropropene.

10. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane and optionally 2,3,3,3-tetrafluoropropene.

11. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and 2,3,3,3-tetrafluoropropene.

12. The composition as claimed in claim 1 , in which the composition comprises from 1% to 95% by weight of hydrogen fluoride and from 99% to 5% by weight of the sum of the organic compounds.

13. The composition as claimed in claim 1 , in which the composition comprises from 5% to 85% by weight of hydrogen fluoride and from 95% to 15% by weight of the sum of the organic compounds.

14. The composition as claimed in claim 1 , in which the boiling point of said composition is between 0° C. and 40° C. and at a pressure of between 0.7 and 18 bar absolute.

15. The composition as claimed in claim 1 , in which the boiling point of said composition is between 0° C. and 40° C. and at a pressure of between 0.9 and 12.5 bar absolute.

16. The composition as claimed in claim 1 , comprising two or more compounds selected from the group consisting of 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 2,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, and 3,3,3-trifluoropropene.

17. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene and three or more compounds selected from the group consisting of 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, 2,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, and 3,3,3-trifluoropropene.

Assignees

• Arkema France

Inventors

• Bonnet Philippe
• Collier Bertrand
• Deur-Bert Dominique
• Wendlinger Laurent

Classifications

• C09K3/30

  for aerosols (aerosol containers B65D83/14) · CPC title

• C01B7/191

  Hydrogen fluoride · CPC title

• C01B7/195

  Separation; Purification · CPC title

• C09K5/045

  containing only fluorine as halogen · CPC title

• C07C21/18 Primary

  containing fluorine · CPC title