Refrigerant composition

Details Refrigerant composition Refrigerant composition

C - Chemistry, Metallurgy

09

K

C09K 5/04 (2006.01)

Patent

CA 2416385

A refrigerant composition comprises a mixture of three HFC (hydrofluorocarbons) refrigerants, namely, HFC 32, HFC 125 and HFC 134a. A lower alkyl alcohol such as ethanol is included in the mixture to improve miscibility in commonly-used lubricants such as mineral oil by altering the viscosity of the entrained oil within the operating air-conditioning system. Optionally, a fifth component may be added, namely ahydrocarbon based refrigerant such as isobutane or propane, to further improve characteristics of refrigerant. The resulting refrigerant is similar in characteristics to R22, and is compatible with existing air-conditioning and refrigeration devices originally for use with R22 refrigerant without system modifications.

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