Title:
LUBRICATING OIL COMPOSITION FOR REFRIGERATORS
Document Type and Number:
WIPO Patent Application WO/2021/060206
Kind Code:
A1
Abstract:
The present invention address the problem of providing a lubricating oil composition for refrigerators, which has excellent thermal stability with respect to a refrigerant containing at least one selected from difluoromethane (R32), trifluoroiodomethane (CF3I), and saturated fluorohydrocarbon compounds (HFCs) excluding said difluoromethane (R32). This lubricating oil composition for refrigerators contains: at least one base oil (A) selected from poly oxyalkylene glycols, polyvinyl ethers, copolymers of a polyvinyl ether and a poly(oxy) alkylene glycol or a mono-ether thereof, and polyol esters; and an aliphatic epoxy compound (B), wherein the contained amount of the aliphatic epoxy compound (B) is more than 2.0 mass% with respect to the total of the lubricating oil composition for refrigerators.
Inventors:
MATSUMOTO TOMOYA (JP)
Application Number:
PCT/JP2020/035568
Publication Date:
April 01, 2021
Filing Date:
September 18, 2020
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C09K5/04; C10M105/38; C10M107/24; C10M107/34; C10M129/18; C10N30/08; C10N40/30
Foreign References:
| JPH0245338B2 | 1990-10-09 | |||
| JP6545337B1 | 2019-07-17 | |||
| JP2015514827A | 2015-05-21 | |||
| JP2017071690A | 2017-04-13 | |||
| JP2009143970A | 2009-07-02 | |||
| JPH02305893A | 1990-12-19 |
Other References:
See also references of EP 4036194A4
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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