| abstract |
Disclose a kind of lubricating oil composition, this lubricating oil composition comprises the lubrication viscosity oil of (a) primary amount; (b) one or more not halogen-containing oil soluble titanium complexs, this oil soluble titanium complex comprise be selected from (i) α-, the negatively charged ion of β-or γ-hydroxy carbonyl compounds; (ii) α-, the negatively charged ion of β-or γ-hydroxycarboxylic acid, acid amides or ester; (iii) α-, the negatively charged ion of β-or gamma-amino carboxylic acid; (iv) α-, at least one part in the negatively charged ion of β-or the acid of γ-one. |