| 摘要 |
<P>PROBLEM TO BE SOLVED: To create a lubricating agent satisfying strict requirement of the ring conglutination test, and simultaneously satisfying other standards. <P>SOLUTION: SAE OW-30 or 5W-30 or 5W-20 lubricant agent has <15 Noack volatility, optionally ≤1.5% M-111 fuel economy; and <100 ppm chlorine content. The lubricant agent includes: a base stock comprising 0 to <10% group I and/or group II base stock; a molybdenum additive providing ≤1,000 ppm molybdenum to the lubricant agent; a calcium cleaning agent providing a surfactant of ≥10 mM per 1 kg molybdenum; one or more other additives; and a viscosity modifier. <P>COPYRIGHT: (C)2013,JPO&INPIT |
