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公开(公告)号:US10913918B2
公开(公告)日:2021-02-09
申请号:US16092630
申请日:2017-04-14
申请人: ENEOS Corporation
IPC分类号: C09K5/04 , C10M169/04 , C10M145/14 , C10M171/00 , C10M105/38 , C10M107/24 , C10N20/04 , C10N20/00 , C10N30/06 , C10N40/30
摘要: The present invention provides a refrigerating machine oil comprising: a lubricating base oil; and 40 mass % or less of a polymer, based on a total amount of the refrigerating machine oil, the polymer having a structural unit represented by the following formula (I) and a weight average molecular weight of from 500 to 100000. [In formula (I), Ra, Rb and Rc each independently represents a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]