Title:
LUBRICANT AND LUBRICATION METHOD
Document Type and Number:
WIPO Patent Application WO2004087847
Kind Code:
A9
Abstract:
A lubricant is disclosed which is obtained by esterifying a specific saturated aliphatic monocarboxylic acid (A), a specific linear aliphatic dibasic acid (B) and a specific aliphatic dihydric alcohol (C) while regulating the ratio of component (A) to component (B) at the beginning of reaction to satisfy (A):(B) = 98:2-40:60 (equivalence ratio). The lubricant contains at least one aliphatic dihydric alcohol composite ester having a total acid number of not more than 0.1 mgKOH/g, a hydroxyl number of not more than 50 mgKOH/g, a sulfuric acid ash content of not more than 30 ppm, an iodine number of not more than 1.0; or it contains at least one of such composite esters and a combination base oil.
Inventors:
KAWAHARA YASUYUKI (JP)
TAKAHASHI KOUJI (JP)
TOMIZAWA HIROTAKA (JP)
TSUJIMOTO SHINYA (JP)
TAKAHASHI KOUJI (JP)
TOMIZAWA HIROTAKA (JP)
TSUJIMOTO SHINYA (JP)
Application Number:
PCT/JP2004/004660
Publication Date:
January 20, 2005
Filing Date:
March 31, 2004
Export Citation:
Assignee:
NEW JAPAN CHEM CO LTD (JP)
KAWAHARA YASUYUKI (JP)
TAKAHASHI KOUJI (JP)
TOMIZAWA HIROTAKA (JP)
TSUJIMOTO SHINYA (JP)
KAWAHARA YASUYUKI (JP)
TAKAHASHI KOUJI (JP)
TOMIZAWA HIROTAKA (JP)
TSUJIMOTO SHINYA (JP)
International Classes:
C10M105/44; C10M129/80; (IPC1-7): C10M105/44; C07C67/08; C07C69/34
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