LUBRICATING OIL COMPOSITION - NIPPON STEEL CHEMICAL CO

Title:

LUBRICATING OIL COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2011/125819

Kind Code:

A1

Abstract:

Disclosed is a lubricating oil base oil with excellent low volatility and low temperature fluidity properties, capable of providing long-lasting lubrication in a wide temperature range, and a lubricating oil composition using same. The lubricating oil base oil is a diester obtained by reacting a thiol component comprising 1, 12-dodecandiol, and a carboxylic component comprising 2-methylpentanoic acid or 2-methylpentanoic acid, and 2-ethylhexanoic acid. The diester is represented by the formula R2COOR1OOCR3, where R1 is an alkylene from the thiol component, and where R2 and R3 are alkyls from the carboxylic acid component, and both contain 45-100 molar % of C5 diester.

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Inventors:

KURATOMI TADASHI (JP)
NAGANO KATSUMI (JP)

Application Number:

PCT/JP2011/058177

Publication Date:

October 13, 2011

Filing Date:

March 31, 2011

Export Citation:

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Assignee:

NIPPON STEEL CHEMICAL CO (JP)
KURATOMI TADASHI (JP)
NAGANO KATSUMI (JP)

International Classes:

C10M105/38; C10N20/02; C10N40/02; C10N40/04; C10N40/08; C10N40/18

Foreign References:

JP2008069234A	2008-03-27
JP2009074017A	2009-04-09
JP2000336383A	2000-12-05
JP2005154726A	2005-06-16

Other References: