Refrigerator oil composition, and composition for refrigerators
AssigneeIdemitsu Kosan Co., Ltd.
InventorsKohei YOSHIDA, So NAKAJIMA
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Abstract
Provided is a refrigerator oil composition excellent in wear resistance, seizure resistance, and heat stability, the refrigerator oil composition including a base oil (A) and a phosphonic acid ester (B) represented by the following general formula (1): wherein R1 and R2 each independently represent a hydrocarbon group having 1 to 8 carbon atoms, and R3 represents a hydrocarbon group having 9 to 40 carbon atoms that may have a hydroxy group as a substituent.
Claims12
A refrigerator oil composition, comprising:
- a base oil (A);
- and
- a phosphonic acid ester (B) represented by the following formula (1):
- wherein R1 and R2 each independently represent a hydrocarbon group having 1 to 8 carbon atoms, and R3 represents a hydrocarbon group having 9 to 40 carbon atoms that may have a hydroxy group as a substituent.
A method of producing a refrigerator oil composition, comprising mixing a base oil (A) and a phosphonic acid ester (B) represented by the following formula (1):
- wherein R1 and R2 each independently represent a hydrocarbon group having 1 to 8 carbon atoms, and R3 represents a hydrocarbon group having 9 to 40 carbon atoms that may have a hydroxy group as a substituent.
Dependencies are inferred from the claim text.