Title:
MIXED ESTER OF MIXED POLYHYDRIC ALCOHOL AND CARBOXYLIC ACID
Document Type and Number:
WIPO Patent Application WO/2013/115160
Kind Code:
A1
Abstract:
The present invention provides a mixed ester of a mixed polyhydric alcohol comprising pentaerythritol and dipentaerythritol which is represented by formula (I), and a carboxylic acid that contains isobutyric acid. The molar ratio of the pentaerythritol and the dipentaerythritol (pentaerythritol/dipentaerythritol) in the mixed polyhydric alcohol is between 98/2 and 40/60, and the proportion of isobutyric acid in the carboxylic acid is 35 to 85 mol.%. The mixed ester, while maintaining a viscosity range required for a refrigerator oil, exhibits excellent lubricating properties and excellent compatibility with a difluoromethane refrigerant, and can be used as a refrigerator oil and the like.
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Inventors:
HIYOSHI SATOSHI (JP)
NISHIMURA TAKUYA (JP)
INAYAMA TOSHIHIRO (JP)
NISHIMURA TAKUYA (JP)
INAYAMA TOSHIHIRO (JP)
Application Number:
PCT/JP2013/051848
Publication Date:
August 08, 2013
Filing Date:
January 29, 2013
Export Citation:
Assignee:
KH NEOCHEM CO LTD (JP)
International Classes:
C07C69/33; C10M105/38; C10N30/00; C10N30/02; C10N40/00; C10N40/04; C10N40/25; C10N40/30
Domestic Patent References:
| WO1997011933A1 | 1997-04-03 | |||
| WO2012026303A1 | 2012-03-01 | |||
| WO2012026212A1 | 2012-03-01 | |||
| WO2012026214A1 | 2012-03-01 |
Foreign References:
| JPH0770577A | 1995-03-14 | |||
| JPH03227397A | 1991-10-08 | |||
| JP2002356694A | 2002-12-13 | |||
| JPH0641575A | 1994-02-15 | |||
| JP2005171233A | 2005-06-30 |
Attorney, Agent or Firm:
MOEGI PATENT OFFICE (JP)
Patent business corporation It burns and is ぎ特許事務所. (JP)
Patent business corporation It burns and is ぎ特許事務所. (JP)
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Claims: