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
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.
대표청구항▼
1. A composition consisting of: a refrigerant componentwherein said composition is an azeotropic or near-azeotropic composition consisting of about 91.0 weight percent HFC-1234yf and about 9.0 weight percent HFC-152a at a pressure of 17.9 psi (123 kPa) and a temperature of −25° C. 2. A method of pro
1. A composition consisting of: a refrigerant componentwherein said composition is an azeotropic or near-azeotropic composition consisting of about 91.0 weight percent HFC-1234yf and about 9.0 weight percent HFC-152a at a pressure of 17.9 psi (123 kPa) and a temperature of −25° C. 2. A method of producing cooling, said method comprising evaporating said composition of claim 1 in the vicinity of a body to be cooled and thereafter condensing said composition. 3. A method of producing heat, said method comprising condensing said composition of claim 1 in the vicinity of a body to be heated and thereafter evaporating said composition. 4. A method for replacing a high GWP refrigerant in a refrigeration, air-conditioning, or heat pump apparatus, wherein said high GWP refrigerant is selected from the group consisting of R134a, R22, R123, R11, R245fa, R114, R236fa, R124, R12, R410A, R407C, R417A, R422A, R507A, R502, and R404A, said method comprising providing the composition of claim 1 to said refrigeration, air-conditioning, or heat pump apparatus that uses, used or is designed to use said high GWP refrigerant. 5. A method of using the composition of claim 1 as a heat transfer fluid composition, said process comprisig comprises transporting said composition from a heat source to a heat sink. 6. A refrigeration, air-conditioning, or heat pump apparatus containing a composition as claimed in claim 1. 7. The apparatus of claim 6 comprising a stationary air-conditioning system, a stationary heat pump system or a stationary refrigeration system. 8. A method of forming a foam comprising: a) adding to a foamable composition the composition of claim 1; andb) reacting the foamable composition under conditions effective to form a foam. 9. A process for producing aerosol products comprising the step of adding the composition of claim 1 to active ingredients in an aerosol container, wherein said composition functions as a propellant.
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