The compound also contains the residue of a dithiophosphoric acid containing two organic moieties. The new compounds are useful in major or minor amounts in lubricating oil compositions. The lubricating oil may be a hydraulic oil. The composition may also contain other conventional lubricant ...
In accordance with the present invention, there are provided ashless heavy duty diesel lubricating oil compositions which comprise an oil of lubricating viscosity as the major component and as the minor component (A) at least 3 wt.% of at least one ashless dispersant, (B) at least 2 wt.%...
The lubricating oil composition is also substantially free of molybdenum compounds. 该润滑油组合物基本上不含钼化合物。 ip.com 8. The lubricating oil composition comprises: at least 40 mass % of an oil of lubricating viscosity; 该润滑油组合物包含:至少40质量%的具有润滑粘性的油; ip.com 9. Corr...
A lubricating oil composition including: a lubricant base oil; (A) a first defoaming agent obtainable by a process, the process including the step of: polymerizing (b) at least one defoaming agent monomer in (a) a polymerization solvent ... T Akira,T Go 被引量: 0发表: 2018年 ...
ASTM D2878: Method for estimating apparent vapor pressures and molecular weights of lubricating oils. Methods for molecular weight measurement are also included in other comprehensive standards (ASTM D128; ASTM D3712), and several indirect methods have been proposed for the estimation of molecular wei...
Oil-soluble molybdenum multifunctional friction modifier additives for lubricant compositions A lubricating oil additive is disclosed that comprises the reaction product of:(a) an unsaturated or saturated ester or acid, (b) a diamine of the formula: ##STR1## (c) carbon disulfide, and (d) a mo...
(I)grease Oilisageneraltermforoilsandfats,includingvegetable oilsandanimalfats.Afattyacidglycerideconsistingmainly offattyacidsandglycerol. Vegetableoilsaredividedintothreekinds,dry,semidryand dry.Dryingoilsuchaslinseedoil,sunfloweroil;suchassemi dryingoilcottonseedoil,soybeanoil,sesameoil;dryingoil meanslike...
Composition-property correlations in some lubricating oil base stocks doi:10.1002/ls.3010150208Lubrication ScienceKhan, H. U.Anwar, M.Nautiyal, S. P.Agrawal, K. M.
Disclosed is a lubricating oil composition comprising: a lubricating base oil comprising 0.5% to 70% by mass of an ester base oil based on the total amount of the lubricating base o
This invention relates to lubricating oil con positions and more particularly to lubricating ( compositions, consisting principally of a petr leum lubricating oil fraction, with which thei has been co