Title:
REFRIGERATING MACHINE OIL
Document Type and Number:
WIPO Patent Application WO/2017/179687
Kind Code:
A1
Abstract:
The present invention provides a refrigerating machine oil which comprises a lube base oil and a polymer having a structural unit represented by the following formula (I) and having a weight-average molecular weight of 500-100,000, the amount of the polymer being 40 mass% or less with respect to the whole refrigerating machine oil.
[In formula (I), Ra, Rb, and Rc each independently represent a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]
Inventors:
SHIMPO HIROKO (JP)
YAMAGUCHI KENTARO (JP)
OGATA HIDETOSHI (JP)
OKIDO TAKESHI (JP)
YAMAGUCHI KENTARO (JP)
OGATA HIDETOSHI (JP)
OKIDO TAKESHI (JP)
Application Number:
PCT/JP2017/015255
Publication Date:
October 19, 2017
Filing Date:
April 14, 2017
Export Citation:
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M145/14; C10M105/18; C10M105/32; C10N20/04; C10N30/00; C10N30/06; C10N40/30
Domestic Patent References:
| WO2015050120A1 | 2015-04-09 | |||
| WO2015178233A1 | 2015-11-26 | |||
| WO2014157383A1 | 2014-10-02 | |||
| WO2013089143A1 | 2013-06-20 | |||
| WO2017057614A1 | 2017-04-06 | |||
| WO2017057613A1 | 2017-04-06 |
Foreign References:
| JP2002509179A | 2002-03-26 | |||
| JP2009179694A | 2009-08-13 | |||
| JP2007204568A | 2007-08-16 | |||
| JPH05320680A | 1993-12-03 | |||
| JPS6259695A | 1987-03-16 |
Other References:
See also references of EP 3444322A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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