Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP5732046
Kind Code:
B2
Abstract:
Provided are a lubricating oil base oil having characteristics of low volatility and excellent low-temperature fluidity and capable of providing long-lasting lubrication property in a wide temperature range from low temperature to high temperature, and a lubricating oil compositionusing the same. The lubricating oil base oil includes a diester obtained through a reaction between a diol component formed of 1,12-dodecanediol and a carboxylic acid component formed of 2-methylpentanoic acid or 2-methylpentanoic acid and 2-ethylhexanoic acid. The diester is represented by R 2 COOR 1 OOCR 3 , where R 1 represents an alkylene derived from the diol component and R 2 and R 3 each represent an alkyl derived from the carboxylic acid component, and includes 45 to 100 mol% of a diester in which both of R 2 and R 3 represent C5 alkyls.
Inventors:
Kuratomi
Katsumi Nagano
Katsumi Nagano
Application Number:
JP2012509561A
Publication Date:
June 10, 2015
Filing Date:
March 31, 2011
Export Citation:
Assignee:
Nippon Steel & Sumikin Chemical Co., Ltd.
International Classes:
C10M105/38
Domestic Patent References:
| JP2008069234A | 2008-03-27 | |||
| JP2009074017A | 2009-04-09 | |||
| JP2000336383A | 2000-12-05 | |||
| JP2005154726A | 2005-06-16 | |||
| JP2008069234A | 2008-03-27 | |||
| JP2009074017A | 2009-04-09 | |||
| JP2000336383A | 2000-12-05 | |||
| JP2005154726A | 2005-06-16 |
Foreign References:
| WO2004018595A1 | 2004-03-04 | |||
| WO2004018595A1 | 2004-03-04 |
Attorney, Agent or Firm:
Kazuya Sasaki
Katsuo Naruse
Tomohiro Nakamura
Eiichi Sano
Katsuo Naruse
Tomohiro Nakamura
Eiichi Sano