Composition comprising HF and E-3,3,3-trifluoro-1-chloropropene
View Patent ↗An azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and optionally one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition including hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and optionally 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, 1,3,3,3-tetrafluoropropene, trifluoropropyne, 1,1,1,3,3-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-tetrafluoropropane.
1. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, one or more compounds selected from the group consisting of 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, and 1,3,3,3-tetrafluoropropene, and optionally one or more (hydro)halocarbon compounds comprising between 1 and 3 carbon atoms, 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, wherein the composition consisting essentially of hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and 1,1,1,3,3-pentafluoropropane is excluded.
2. An azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and one or more compounds selected from the group consisting of 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, 1,3,3,3-tetrafluoropropene, 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, wherein the composition consisting essentially of hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, and 1,1,1,3,3-pentafluoropropane is excluded.
3. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene and at least one or more organic compounds chosen from 1,1,1,2,2-pentafluoropropane, E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene and 3,3,3-trifluoro-2-chloropropene.
4. The composition as claimed in claim 1 wherein the composition is heteroazeotropic or quasi-heteroazeotropic.
5. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, 1,1,1,2,2-pentafluoropropane and optionally a compound chosen from E-1,3,3,3-tetrafluoropropene, Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene and 3,3,3-trifluoro-2-chloropropene.
6. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, E-1,3,3,3-tetrafluoropropene, and optionally a compound chosen from Z-1,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene and 3,3,3-trifluoro-2-chloropropene.
7. The composition as claimed in claim 1 , in which the composition comprises a hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, Z-1,3,3,3-tetrafluoropropene and optionally a compound chosen from 3,3,3-trifluoropropene and 3,3,3-trifluoro-2-chloropropene.
8. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, 3,3,3-trifluoropropene and optionally 3,3,3-trifluoro-2-chloropropene.
9. The composition as claimed in claim 1 , in which the composition comprises hydrogen fluoride, E-3,3,3-trifluoro-1-chloropropene, 3,3,3-trifluoro-2-chloropropene.
10. The composition as claimed in claim 1 , 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.
11. The composition as claimed in claim 1 , 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.
12. 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.
13. 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.
14. The composition as claimed in claim 1 , comprising two or more compounds selected from the group consisting of 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, and 1,3,3,3-tetrafluoropropene.
15. The composition as claimed in claim 1 , comprising three or more compounds selected from the group consisting of 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, and 1,3,3,3-tetrafluoropropene.