Pentafluoropropene-based compositions

• US 6,858,571 B2
• Filed: 10/27/2003
• Issued: 02/22/2005
• Est. Priority Date: 10/25/2002
• Status: Expired due to Term

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Singh, Rajiv R., Pham, Hang T., Wilson, David P.
• Primary Examiner(s): WEBB, GREGORY E
• Application Number:
  US10/694,079
• Publication Number:
  US 20040127383A1
• Time in Patent Office: 484 Days
• Field of Search: 252/67, 252/364, 510/408, 510/177, 510/411, 134/40, 134/10
• US Class Current: 510/408
• CPC Class Codes: A61P 1/00 Drugs for disorders of the alimentary tract or the digestive system
• CPC Class Codes: C07C 19/08 containing fluorine
• CPC Class Codes: C07C 21/18 containing fluorine
• CPC Class Codes: C08J 2205/052 Closed cells, i.e. more than 50% of the pores are closed
• CPC Class Codes: C08J 2207/04 Aerosol, e.g. polyurethane foam spray
• CPC Class Codes: C08J 9/146 only fluorine as halogen atoms
• CPC Class Codes: C09K 2205/126 Unsaturated fluorinated hydrocarbons
• CPC Class Codes: C09K 5/045 containing only fluorine as halogen
• CPC Class Codes: C11D 7/28 containing halogen
• CPC Class Codes: C11D 7/505 Mixtures of (hydro)fluorocarbons
• CPC Class Codes: C23G 5/02803 containing fluorine

Abstract

Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane (“HFC-152a”), trans-1,3,3,3-tetrafluoropropene (“HFO-1234ze”), and combinations of two or more thereof. Also provided are uses thereof including as refrigerants, blowing agents, sprayable compositions, flame suppressant, and the like.

Claims

1. An azeotrope-like composition comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of a fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

2. The azeotrope-like composition of claim 1 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

3. The azeotrope-like composition of claim 1 comprising from about 5 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 90 wt. % of the fluid selected from the group consisting of HFO-1243zf, HFC-152a, HFO-1234ze, and combinations of two or more thereof.

4. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of from about −

18°

C. to about −

28°

C. at about 14 psia.

5. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −

22°

C. to about −

28°

C. at about 14 psia.

6. The azeotrope-like composition of claim 1 wherein said azeotrope-like composition has a boiling point of about −

21°

C. to about −

26°

C. at about 14 psia.

7. The azeotrope-like composition of claim 4 wherein said azeotrope-like composition has a boiling point of about −

20°

C.±

2°

C. at about 14 psia.

8. The azeotrope-like composition of claim 5 comprising from greater than zero to about 50 wt. % of HFO-1225 and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

9. The azeotrope-like composition of claim 8 comprising from greater than zero to about 25 wt. % of HFO-1225 and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.

10. The azeotrope-like composition of claim 9 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

11. The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −

24°

C. to about −

28°

C. at about 14.4 psia.

12. The azeotrope-like composition of claim 8 wherein said azeotrope-like composition has a boiling point of about −

23°

C. to about −

27°

C. at about 14 psia.

13. The azeotrope-like composition of claim 11 comprising from greater than zero to about 50 wt. % of HFO-1225ye and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

14. The azeotrope-like composition of claim 13 comprising from greater than zero to about 25 wt. % of HFO-1225ye and from about 75 wt. % to less than 100 wt. % of HFO-1243zf.

15. The azeotrope-like composition of claim 14 comprising from about 1 to about 20 wt. % of HFO-1225ye and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

16. The azeotrope-like composition of claim 15 comprising from about 1 to about 15 wt. % of HFO-1225ye and from about 85 wt. % to about 99 wt. % of HFO-1243zf.

17. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises Z-HFO-1225ye.

18. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises Z-HFO-1225ye.

19. The azeotrope-like composition of claim 18 wherein said azeotrope-like composition has a boiling point of about −

26°

C. to about −

28°

C. at about 14.4 psia.

20. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E-HFO-1225ye.

21. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E-HFO-1225ye.

22. The azeotrope-like composition of claim 21 wherein said azeotrope-like composition has a boiling point of about −

26°

C. to about −

28°

C. at about 14.4 psia.

23. The azeotrope-like composition of claim 13 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

24. The azeotrope-like composition of claim 15 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

25. The azeotrope-like composition of claim 24 wherein said azeotrope-like composition has a boiling point of about −

26°

C. to about −

28°

C. at about 14.4 psia.

26. The azeotrope-like composition of claim 12 comprising from greater than zero to about 50 wt. % of HFO-1225zc and from about 50 wt. % to less than 100 wt. % of HFO-1243zf.

27. The azeotrope-like composition of claim 26 comprising from greater than zero to about 40 wt. % of HFO-1225zc and from about 60 wt. % to less than 100 wt. % of HFO-1243zf.

28. The azeotrope-like composition of claim 27 comprising from about 1 to about 20 wt. % of HFO-1225zc and from about 80 wt. % to about 99 wt. % of HFO-1243zf.

29. The azeotrope-like composition of claim 28 wherein said azeotrope-like composition has a boiling point of about −

24°

C. to about −

26°

C. at about 14 psia.

30. The azeotrope-like composition of claim 6 comprising from greater than zero to about 99 wt. % of HFO-1225 and from about 1 wt. % to less than 100 wt. % of HFC-152a.

31. The azeotrope-like composition of claim 30 comprising from greater than zero to about 75 wt. % of HFO-1225 and from about 25 wt. % to less than 100 wt. % of HFC-152a.

32. The azeotrope-like composition of claim 31 comprising from about 1 wt. % to about 20 wt. % of HFO-1225 and from about 80 wt. % to about 99 wt. % of HFC-152a.

33. The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −

23°

C.±

2°

C. at about 14 psia.

34. The azeotrope-like composition of claim 33 comprising from greater than zero to about 75 wt. % of HFO-1225ye and from about 25 wt. % to less than 100 wt. % of HFC-152a.

35. The azeotrope-like composition of claim 34 comprising from greater than zero to about 60 wt. % of HFO-1225ye and from about 40 wt. % to less than 100 wt. % of HFC-152a.

36. The azeotrope-like composition of claim 35 comprising from greater than zero to about 40 wt. % of HFO-1225ye and from about 60 wt. % to less than 100 wt. % of HFC-152a.

37. The azeotrope-like composition of claim 36 comprising from about 1 to about 25 wt. % of HFO-1225ye and from about 75 wt. % to about 99 wt. % of HFC-152a.

38. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises Z-HFO-1225ye.

39. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises Z-HFO-1225ye.

40. The azeotrope-like composition of claim 39 wherein said azeotrope-like composition has a boiling point of about −

23°

C.±

2°

C. at about 14 psia.

41. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E-HFO-1225ye.

42. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E-HFO-1225ye.

43. The azeotrope-like composition of claim 42 wherein said azeotrope-like composition has a boiling point of about −

23°

C.±

2°

C. at about 14 psia.

44. The azeotrope-like composition of claim 34 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

45. The azeotrope-like composition of claim 36 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

46. The azeotrope-like composition of claim 45 wherein said azeotrope-like composition has a boiling point of about −

26°

C. to about −

28°

C. at about 14.4 psia.

47. The azeotrope-like composition of claim 30 wherein said azeotrope-like composition has a boiling point of about −

24°

C.±

2°

C. at about 14 psia.

48. The azeotrope-like composition of claim 47 comprising from about 10 wt. % to about 99 wt. % of HFO-1225zc and from about 1 wt. % to about 90 wt. % of HFC-152a.

49. The azeotrope-like composition of claim 48 comprising from about 10 wt. % to about 60 wt. % of HFO-1225zc and from about 40 wt. % to about 90 wt. % of HFC-152a.

50. The azeotrope-like composition of claim 49 comprising from about 10 wt. % to about 50 wt. % of HFO-1225zc and from about 50 wt. % to about 90 wt. % of HFC-152a.

51. The azeotrope-like composition of claim 7 comprising from about 1 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 99 wt. % of HFO-1234ze.

52. The azeotrope-like composition of claim 51 comprising from about 25 wt. % to about 99 wt. % of HFO-1225 and from about 1 wt. % to about 75 wt. % of HFO-1234ze.

53. The azeotrope-like composition of claim 52 comprising from about 50 wt. % to about 90 wt. % of HFO-1225 and from about 10 wt. % to about 50 wt. % of HFO-1234ze.

54. The azeotrope-like composition of claim 51 wherein said HFO-1225 is HFO-1225ye.

55. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises Z-HFO-1225ye.

56. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E-HFO-1225ye.

57. The azeotrope-like composition of claim 54 wherein said HFO-1225ye comprises E/Z-HFO-1225ye.

58. The azeotrope-like composition of claim 1 wherein said HFO-1225 is HFO-1225yc.

59. A refrigerant composition comprising an azeotrope-like composition of claim 1.

60. A refrigeration system comprising a refrigerant of claim 59.

61. A method for cooling an article which comprises evaporating a refrigerant composition of claim 57 in the vicinity of the article to be cooled.

62. A method for heating an article which comprises condensing a refrigerant composition of claim 59 in the vicinity of the article to be heated.

63. A sprayable composition comprising a material to be sprayed and a propellant comprising an azeotrope-like composition of claim 1.

64. A blowing agent comprising an azeotrope-like composition of claim 1.

65. A closed cell foam prepared by foaming a foamable composition in the presence of a blowing agent comprising the azeotrope-like composition of claim 1.

66. The closed cell foam of claim 65 wherein said foamble composition comprises polyurethane, polyisocyanurate, polystyrene, polyethylene, and mixtures thereof.

67. A method of reducing the flammability of a fluid comprising adding an azeotrope-like composition of claim 1 to said fluid.

68. A method of suppressing a flame comprising contacting said flame with a fluid comprising an azeotrope-like composition of claim 1.

69. A method of sterilizing an article, said method comprising contacting said article to be sterilized with a composition comprising an azeotrope-like composition of claim 1.

70. The method of claim 69 wherein said composition further comprises ethylene oxide.

71. A method of forming a foam comprising adding to a foamable composition a blowing agent comprising an azeotrope-like composition of claim 1.

72. A premix of a polyol and a blowing agent wherein the blowing agent comprises an azeotrope-like composition of claim 1.