Title:
REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2016/072284
Kind Code:
A1
Abstract:
The present invention provides a refrigerator oil containing an ester-based base oil obtained from a pentaerythritol and a mixed fatty acid comprising a C8 fatty acid and a C9 fatty acid, wherein the ratio Mw/Mn of the weight-average molecular weight Mw of the ester-based base oil to the number-average molecular weight Mn thereof is 1.06-1.20. In addition, the refrigerator oil is to be used with a slightly flammable hydrofluorocarbon coolant.
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Inventors:
TAKAHASHI HITOSHI (JP)
SHIMPO HIROKO (JP)
KONNO SOUICHIROU (JP)
SAWADA KEN (JP)
YAMAGUCHI KENTARO (JP)
SHIMPO HIROKO (JP)
KONNO SOUICHIROU (JP)
SAWADA KEN (JP)
YAMAGUCHI KENTARO (JP)
Application Number:
PCT/JP2015/079857
Publication Date:
May 12, 2016
Filing Date:
October 22, 2015
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M105/38; C09K5/04; C10N20/04; C10N30/00; C10N30/02; C10N40/30
Foreign References:
| JP2012251170A | 2012-12-20 | |||
| JP2012201833A | 2012-10-22 | |||
| JP2012072273A | 2012-04-12 | |||
| JP2011089106A | 2011-05-06 |
Other References:
See also references of EP 3216850A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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