| 摘要 |
A composite polyester composition according to the present invention and containing a polyester obtained by condensing a polyvalent carboxylic acid containing two or more carboxyl groups, a dimer diol, and a monocarboxylic acid, wherein the carbon number of the polyvalent carboxylic acid is no more than 18. This composition is useful as a lubricant capable of exhibiting excellent lubrication performance even under extreme pressure conditions. |
