Composition comprising HF and 3,3,3-trifluoro-2-chloropropene

Patent metadata

Field	Value
Publication number	US-10596536-B2
Application number	US-201715858005-A
Country	US
Kind code	B2
Filing date	Dec 29, 2017
Priority date	Mar 20, 2013
Publication date	Mar 24, 2020
Grant date	Mar 24, 2020

Abstract

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

First claim

The invention claimed is:

1. An azeotropic or quasi-azeotropic composition comprising:
hydrogen fluoride,
3,3,3-trifluoro-2-chloropropene, and
one or more (hydro)halocarbon compounds selected from:
the group consisting of chloromethane, chloropentafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, pentafluoroethane, 1-chloro-1,2,2-trifluoroethane, 1-chloro-2,2,2-trifluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1-chloro-1,2-difluoroethane, 1-chloro-1,1-difluoroethane, 1,1,2-trifluoroethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethylene and fluoroethylene; or
the group consisting of 1,1,1,3,3-pentafluoropropane and Z-3,3,3-trifluoro-1-chloropropene.

2. The azeotropic or quasi-azeotropic composition according to claim 1 , wherein the one or more (hydro)halocarbon compounds is selected from the group consisting of chloromethane, chloropentafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, pentafluoroethane, 1-chloro-1,2,2-trifluoroethane, 1-chloro-2,2,2-trifluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1-chloro-1,2-difluoroethane, 1-chloro-1,1-difluoroethane, 1,1,2-trifluoroethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethylene and fluoroethylene.

3. The azeotropic or quasi-azeotropic composition according to claim 2 , further comprising E-3,3,3-trifluoro-1-chloropropene.

4. The azeotropic or quasi-azeotropic composition according to claim 2 , in which the composition comprises from 1% to 85% by weight of hydrogen fluoride and from 99% to 15% by weight of the sum of the organic compounds.

5. The azeotropic or quasi-azeotropic composition according to claim 2 , in which the composition comprises from 5% to 80% by weight of hydrogen fluoride and from 95% to 20% by weight of the sum of the organic compounds.

6. The azeotropic or quasi-azeotropic composition according to claim 2 , 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.

7. The azeotropic or quasi-azeotropic composition according to claim 2 , 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.

8. The azeotropic or quasi-azeotropic composition according to claim 2 , 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.

9. The azeotropic or quasi-azeotropic composition according to claim 1 , wherein the one or more (hydro)halocarbon compounds is selected from the group consisting of 1,1,1,3,3-pentafluoropropane, and Z-3,3,3-trifluoro-1-chloropropene.

10. The azeotropic or quasi-azeotropic composition according to claim 9 , further comprising E-3,3,3-trifluoro-1-chloropropene.

11. The azeotropic or quasi-azeotropic composition according to claim 9 , in which the composition comprises from 1% to 85% by weight of hydrogen fluoride and from 99% to 15% by weight of the sum of the organic compounds.

12. The azeotropic or quasi-azeotropic composition according to claim 9 , in which the composition comprises from 5% to 80% by weight of hydrogen fluoride and from 95% to 20% by weight of the sum of the organic compounds.

13. The azeotropic or quasi-azeotropic composition according to claim 9 , 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.

14. The azeotropic or quasi-azeotropic composition according to claim 9 , 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 azeotropic or quasi-azeotropic composition according to claim 9 , 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. An azeotropic or quasi-azeotropic composition comprising:
hydrogen fluoride,
3,3,3-trifluoro-2-chloropropene
E-3,3,3-trifluoro-1-chloropropene, and
one or more (hydro)halocarbon compounds selected from:
the group consisting of chloromethane, chloropentafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, pentafluoroethane, 1-chloro-1,2,2-trifluoroethane, 1-chloro-2,2,2-trifluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1-chloro-1,2-difluoroethane, 1-chloro-1,1-difluoroethane, 1,1,2-trifluoroethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethylene and fluoroethylene; or
the group consisting of 1,1,1,3,3-pentafluoropropane, Z-3,3,3-trifluoro-1-chloropropene, and 2-chloro-1,1,1,2-tetrafluoropropane.

Assignees

• Arkema France

Inventors

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

Classifications

• C07C21/18 Primary

  containing fluorine · CPC title

• C09K5/04

  the change of state being from liquid to vapour or vice versa · CPC title

• C09K3/30

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

• C09K5/044

  comprising halogenated compounds · CPC title

• B01D53/26

  Drying gases or vapours · CPC title