Lubricant for compression refrigerating machine and refrigerating apparatus using the same
AssigneeIdemitsu Kosan Co., Ltd.
InventorsMasato Kaneko, Harutomo Ikeda
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Abstract
The present invention provides a lubricating oil for a compression type refrigerator including a polyvinyl ether-based compound containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a range of 300 to 3,000, an epoxy compound having 8 or more carbon atoms The lubricating oil for a compression type refrigerator of the present invention has high miscibility and high viscosity index, and is excellent in stability, and does not have an unpleasant odor under carbon dioxide atmosphere.
Claims21
A lubricating oil for a compression type refrigerator, comprising:
- a polyvinyl ether-based compound containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a range of 300 to 3,000;
- and
- an epoxy compound having 8 or more carbon atoms.
A lubricating oil for a compression type refrigerator, comprising:
- a polyvinyl ether-based compound having a molecular weight in the range of 300 to 3,000, obtained by polymerizing vinyl ether-based compounds in the presence of a polymerization initiator and
- an epoxy compound having 8 or more carbon atoms,
- wherein at least one of the polymerization initiator and the vinyl ether-based compound comprises an alkylene glycol residue or a polyoxyalkylene glycol residue.
Dependencies are inferred from the claim text.