Patent ID: 8449789

Claim:
A composition for a refrigerator comprising at least one refrigerant and at least one lubricating oil composition, wherein the refrigerant comprises at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (A) or comprises a combination of the unsaturated fluorinated hydrocarbon compound and a saturated fluorinated hydrocarbon compound, C p O q F r R s (A) where: R represents H; p represents an integer of 2 to 6, q represents 0, r represents an integer of 1 to 12, and s represents an integer of 0 to 11; and one or more carbon-carbon unsaturated bonds are included, and the lubricating oil composition comprises a base oil comprising, as a main component, at least one polyvinyl ether derivative having a hydroxyl group value of 17 mgKOH/g or less.