Azeotrope-Like Compositions of Tetrafluoropropene and Hydrofluorocarbons

• US 20090285764A1
• Filed: 07/28/2009
• Published: 11/19/2009
• Est. Priority Date: 04/29/2004
• Status: Active Grant

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: KNOPECK, GARY, DIRINGER, JEREMY N., HERENA, LOUIS E., SINGH, RAJIV R., PHAM, HANG T.
• Granted Patent: US 8,148,317 B2
• Time in Patent Office: Days
• US Class Current: 424/45
• CPC Class Codes: A01N 29/02 Acyclic compounds or compounds containing halogen attached to an aliphatic side-chain of a cycloaliphatic ring system
• CPC Class Codes: C09K 2205/122 Halogenated hydrocarbons
• CPC Class Codes: C09K 2205/126 Unsaturated fluorinated hydrocarbons
• CPC Class Codes: C09K 2205/22 All components of a mixture being fluoro compounds
• CPC Class Codes: C09K 2205/32 The mixture being azeotropic
• CPC Class Codes: C09K 2205/34 The mixture being non-azeotropic
• CPC Class Codes: C09K 2205/40 Replacement mixtures
• CPC Class Codes: C09K 23/017 Mixtures of compounds
• CPC Class Codes: C09K 3/30 for aerosols aerosol containers B65D83/14
• CPC Class Codes: C09K 5/045 containing only fluorine as halogen
• CPC Class Codes: C11D 7/5018 Halogenated solvents
• CPC Class Codes: C11D 7/505 Mixtures of (hydro)fluorocarbons
• CPC Class Codes: F25B 1/00 Compression machines, plants or systems with non-reversible cycle F25B3/00, F25B5/00, F25B6/00, F25B7/00, F25B9/00 take precedence
• CPC Class Codes: F25B 31/002 Lubrication

Abstract

Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

Claims

1. An azeotrope-like composition comprising effective amounts of trans-1,3,3,3-pentafluoropropane (transHFO-1234ze) and 1,1,1,2,-tetraafluoethane (“

HFC-134a”

).

2. The azeotrope-like composition of claim 1 comprising greater than zero to about 75 weight percent transHFO-1234ze and from about 25 to less than 100 weight percent of HFC-134a.

3. The azeotrope-like composition of claim 1 which consists essentially of from greater than zero to about 60 weight percent transHFO-1234ze and from about 40 to less than 100 weight percent of HFC-134a.

4. The azeotrope-like composition of claim 1 comprising from about 1 to about 40 weight percent transHFO-1234ze and from about 60 to about 99 weight percent of HFC-134a.

5. The azeotrope-like composition of claim 1 comprising from about 5 to about 35 weight percent transHFO-1234ze and from about 65 to about 95 weight percent of HFC-134a.

6. An azeotrope-like composition in accordance with claim 1 having a boiling point of from about −

26°

C. to about −

23°

C. at a pressure of about 14 psia.

7. An azeotrope-like composition in accordance with claim 1 having a boiling point of from about −

26°

C. to about −

23°

C. at a pressure of about 14.4 psia.

8. A composition comprising the composition of claim 1 and at least one adjuvant selected from the group consisting of supplemental lubricants, compatibilizers, surfactants, supplemental flame suppressants, solubilizing agents, dispersing agents, cell stabilizers, cosmetics, polishing agents, medicaments, cleaners, fire retarding agents, colorants, chemical sterilants, stabilizers, polyols, polyol premix components and combinations of two or more of these.

9. A heat transfer composition comprising the composition of claim 8 and wherein said adjuvant comprises at least one lubricant.

10. The heat transfer composition of claim 9 wherein said supplemental lubricant is selected from the group consisting of mineral oil, silicone oil, polyalkyl benzenes (PABs), polyol esters (POEs), polyalkylene glycols (PAGs), polyalkylene glycol esters (PAG esters), polyvinyl ethers (PVEs), poly(alpha-olefins) (PAOs), and combinations of these.

11. The heat transfer composition of claim 10 wherein said supplemental lubricant(s) together are present in an amount of from about 5 to about 50 percent by weight of the heat transfer composition.

12. A heat transfer composition comprising an azeotrope-like composition of claim 1.

13. A heat transfer composition comprising at least about 50% by weight of the composition of claim 1.

14. A refrigeration system comprising a heat transfer composition of claim 13 wherein said system is selected from group consisting of automotive air conditioning systems, residential air conditioning systems, commercial air conditioning systems, residential refrigerator systems, residential freezer systems, commercial refrigerator systems, commercial freezer systems, chiller air conditioning systems, chiller refrigeration systems, heat pump systems, and combinations of two or more of these.

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

16. A foamable composition comprising one or more components capable of forming foam and an azeotrope-like composition of claim 1.

17. The foamable composition of claim 16 wherein said one or more components capable of forming foam comprise one or more components capable of forming foam selected from the group consisting of thermoplastic foams, polystyrene foams, polyethylene foams, low density polyethylene foams, extruded thermoplastic foams, polyurethane foams, and polyisocyanurate foams.

18. A foam formed from the foamable composition of claim 17.

19. A method of replacing an existing refrigerant contained in a refrigerant system comprising removing at least a portion of said existing refrigerant from said system and replacing at least a portion of said existing refrigerant by introducing into said system a refrigerant composition comprising the composition of claim 1.

20. The method of claim 19 wherein said existing refrigerant is selected from the group consisting of HFC-134a, R-12, R-500, HFC-152a, and HFC-22 and combinations of these.

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

22. The sprayable composition of claim 21 wherein said material to be sprayed is selected from the group consisting of cosmetics, cleaning solvent, lubricants and medicinal materials.

23. A method for cooling an article which comprises condensing a composition of claim 1 and thereafter evaporating said composition in the vicinity of the article to be cooled.

24. A method for heating an article which comprises condensing a composition of claim 1 in the vicinity of the article to be heated and thereafter evaporating said composition.