| 摘要 |
PURPOSE:To obtain a new lubricating oil composition excellent in lubricating performance and dispersion stability of solid lubricants by blending a lubricating base oil with a melamine cyanurate solid lubricant and a lanolin fatty acid (salt) having a low acid value as essential components. CONSTITUTION:The objective composition obtained by blending (A) a lubricating base oil, composed of synthetic oils or mineral oils and having preferably >=200 deg.C boiling point and normally 5-3000cP viscosity at ambient temperature with (B) melamine cyanurate which is an organic white solid (preferably having 0.02-10mu average particle diameter and uniform particle diameter distribution) and (C) lanolin fatty acid (salt) having a low acid value as a nonaqueous dispersant as essential components and further, as necessary, (D) a liquid isoprene-based polymer having 5000-100000 molecular weight. |
