REFRIGERATION OIL AND HEAT PUMP INCLUDING THE SAME
A refrigeration oil according to embodiments of the present disclosure includes a silane compound having at least one of a glycidyl group and an isocyanate group. The heat pump according to embodiments of the present disclosure includes a refrigerant including trifluoroiodomethane (R-1311) and the refrigeration oil including a silane compound having at least one of a glycidyl group and an isocyanate group.
1 . A refrigeration oil comprising:
a silane compound having at least one of a glycidyl group and an isocyanate group.
2 . The refrigeration oil according to claim 1 , wherein the silane compound having the glycidyl group is represented by Formula 1 below:
wherein in Formula 1, R 1 to R 4 are each independently an organic group having 1 to 10 carbon atoms.
3 . The refrigeration oil according to claim 2 , wherein R 1 to R 3 are each independently an alkyl group or an alkoxy group having 1 to 10 carbon atoms.
4 . The refrigeration oil according to claim 1 , wherein the silane compound having an isocyanate group is represented by Formula 2 below:
wherein in Formula 2, R 5 to R 7 are each independently an organic group having 1 to 10 carbon atoms, and R 8 is an alkylene group having 1 to 10 carbon atoms.
5 . The refrigeration oil according to claim 4 , wherein R 5 to R 7 are each independently an alkyl group or an alkoxy group having 1 to 10 carbon atoms.
6 . The refrigeration oil according to claim 1 , further comprising a stabilizer including a phosphate compound.
7 . The refrigeration oil according to claim 6 , wherein the stabilizer comprises at least one of trimethylphosphate, triethylphosphate, tributylphosphate, tris(methylphenyl) phosphate, and triphenylphosphate.
8 . The refrigeration oil according to claim 1 , further comprising a lubricant.
9 . The refrigeration oil according to claim 8 , wherein the lubricant comprises a polyol ester.
10 . A heat pump comprising:
a refrigerant comprising trifluoroiodomethane (R-1311); and
the refrigeration oil of claim 1 .
11 . The heat pump of claim 10 , the heat pump comprising a heat pump system comprising:
a compressor configured to compress the refrigerant;
a condenser adapted to transfer heat from the refrigerant to an external environment;
an expansion device configured to reduce the pressure of the refrigerant;
an evaporator adapted to absorb heat from a heat source and transfer it to the refrigerant;
wherein the refrigeration oil maintains compatibility with the refrigerant to enhance system efficiency, reduce wear on mechanical components of the heat pump system.
12 . The heat pump of claim 11 , wherein the refrigerant further comprises at least one more refrigerant selected from the group of natural refrigerants, hydrofluorocarbon (HFC)-based refrigerants, hydrofluoroolefin (HFO)-based refrigerants, and hydrochlorofluorocarbon (HCFC)-based refrigerants.
13 . A refrigerant composition comprising the refrigeration oil of claim 1 , trifluoroiodomethane (R-1311), and at least one more refrigerant selected from the group of natural refrigerants, hydrofluorocarbon (HFC)-based refrigerants, hydrofluoroolefin (HFO)-based refrigerants, and hydrochlorofluorocarbon (HCFC)-based refrigerants.