Compositions Comprising A Fluoroolefin
AssigneeE. I. Du Pont de Nemours and Company
InventorsBarbara Haviland Minor, Velliyur Nott Mallikarjuna Rao, Donald Bernard Bivens, Deepak Perti, Mark Steven Baunchalk
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Abstract
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
Claims37
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A composition comprising HFC-1234yf and at least one compound selected from the group consisting of propane, n-butane, isobutane, DME and mixtures thereof.
An azeotropic or near-azeotropic composition comprising a composition selected from the group consisting of:
- about 1 weight percent to about 80 weight percent HFC-1234yf and about 99 weight percent to about 20 weight percent propane;
- about 71 weight percent to about 99 weight percent HFC-1234yf and about 29 weight percent to about 1 weight percent n-butane;
- about 60 weight percent to about 99 weight percent HFC-1234y and about 40 weight percent to about 1 weight percent isobutane;
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- about 1 weight percent to about 99 weight percent HFC-1234yf and about 99 weight percent to about 1 weight percent DME.
Dependencies are inferred from the claim text.