Refrigerant compositions including an acylic fluoroether

Details Refrigerant compositions including an acylic fluoroether Refrigerant compositions including an acylic fluoroether

1994-05-13

1996-01-16

Therkorn, Linda Skaling

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

62114, 252 8, 252171, 252194, 252305, 252571, 264DIG5, C09K 504, C09K 330, C08J 914, C11D 750

Patent

active

054845467

ABSTRACT:
Refrigerant compositions include mixtures of hexafluorodimethyl ether and cyclopropane, dimethylether or propylene; bis(difluoromethyl) ether and 2,2,3,4,4-pentafluorooxetane; fluoromethyl trifluoromethyl ether and 2,2,4,4,5,5-hexafluoro-1,3-dioxolane, 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane, dimethylether or tris(trifluoromethyl)amine; trifluoromethyl methyl ether and perfluorooxetane, 2,2,4,4,5,5-hexafluoro-1,3-dioxolane, perfluoromethyl ethyl ether, perfluorodinethoxymethane, 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane, dimethylether or tris(trifluoromethyl)amine; perfluoromethyl ethyl ether and dimethylether, propylene or 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane; perfluorodirnethoxymethane and dimethylether or isobutane; 1-trifluoromethoxy-1,1,2,2-tetrafluoroethane and tris(trifluoromethyl)amine or dimethylether; difluoromethoxy pentafluoroethane and dimethylether, isobutane or tris(trifluoromethyl)amine; 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane and dimethylether or isobutane; 1-difluoromethoxy-1,1,2,2-tetrafluoroethane and N(CHF.sub.2).sub.2 (CF.sub.3); or 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2,2-tetrafluoroethoxy)propane and 1,1,2,2,3-pentafluoropropane or 1,1,1,2,3-pentafluoropropane.

REFERENCES:
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patent: 4041148 (1977-08-01), Simons et al.
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patent: 5137932 (1992-08-01), Behme et al.
patent: 5169873 (1992-12-01), Behme et al.
Devotta et al., Assessment of HFCs, Fluorinated Ethers and Amine as Alternatives to CFC12, Int. J. Refrig., 16, No. 2, 84-90, 1993.
Kopko, Beyond CFCs: Extending the Search for New Refrigerants*, ASHRAE CFC Technology Conference, Gaithersburg, Md., 79-85, Sep. 27-28, 1989.
Adcock et al., Fluorinated Ethers: A "New" Series of CFC Substitutes, Department of Chemistry, The University of Tennessee, Knoxville, Tenn., 1-16, Feb. 1991.
PCT International Search Report, international application No. PCT/US94/05653, international filing date May 19, 1994, Search Report dated Sep. 1994.

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