Title:
BASE OIL OF REFRIGERATING MACHINE OIL FOR CARBON DIOXIDE REFRIGERANT AND REFRIGERATING MACHINE OIL FOR CARBON DIOXIDE REFRIGERANT
Document Type and Number:
WIPO Patent Application WO/2007/108484
Kind Code:
A1
Abstract:
A base oil of refrigerating machine oil for carbon dioxide refrigerant, characterized
by containing a complete ester of polyhydric alcohol and fatty acid wherein the
ratio of C14-C22 branched fatty acid is in the range of 40
to 100 mol%. Further, there is provided a refrigerating machine oil for carbon
dioxide refrigerant, characterized by containing the above base oil of refrigerating
machine oil for carbon dioxide refrigerant. These base oil of refrigerating
machine oil for carbon dioxide refrigerant and refrigerating machine oil for
carbon dioxide refrigerant when used in combination with a carbon dioxide refrigerant
excel in stability and electrical insulation and exhibit excellent properties,
namely, appropriate compatibility with refrigerant and, even without any increase
of viscosity of base oil, satisfactory lubricity.
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Inventors:
TAGAWA KAZUO (JP)
SAWADA KEN (JP)
SHIMOMURA YUJI (JP)
TAKIGAWA KATSUYA (JP)
HASHIMOTO JIRO (JP)
NEGISHI MASATAKA (JP)
SAWADA KEN (JP)
SHIMOMURA YUJI (JP)
TAKIGAWA KATSUYA (JP)
HASHIMOTO JIRO (JP)
NEGISHI MASATAKA (JP)
Application Number:
PCT/JP2007/055727
Publication Date:
September 27, 2007
Filing Date:
March 20, 2007
Export Citation:
Assignee:
NIPPON OIL CORP (JP)
KAO CORP (JP)
TAGAWA KAZUO (JP)
SAWADA KEN (JP)
SHIMOMURA YUJI (JP)
TAKIGAWA KATSUYA (JP)
HASHIMOTO JIRO (JP)
NEGISHI MASATAKA (JP)
KAO CORP (JP)
TAGAWA KAZUO (JP)
SAWADA KEN (JP)
SHIMOMURA YUJI (JP)
TAKIGAWA KATSUYA (JP)
HASHIMOTO JIRO (JP)
NEGISHI MASATAKA (JP)
International Classes:
C10M105/38; F25B1/00; C10N40/30
Foreign References:
| JP2000169869A | 2000-06-20 | |||
| JP2002129177A | 2002-05-09 | |||
| JP2001107066A | 2001-04-17 | |||
| JP2001003069A | 2001-01-09 | |||
| JP2000104084A | 2000-04-11 | |||
| GB1441918A | 1976-07-07 | |||
| GB1444826A | 1976-08-04 | |||
| EP0632124A1 | 1995-01-04 | |||
| EP1008643A2 | 2000-06-14 |
Other References:
See also references of EP 2014749A4
Attorney, Agent or Firm:
HASEGAWA, Yoshiki et al. (Ginza First Bldg. 10-6, Ginza 1-chom, Chuo-ku Tokyo 6, JP)
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