▎ 摘　　要

NOVELTY - Preparing anti-abrasion and antifriction lubricating oil modified by nano-particles comprises (i) washing plant leaves, naturally air-drying, adding organic solvent, soaking, performing centrifugal clarification and placing in fume hood, fully volatilizing solvent, (ii) dissolving modifier of oleic acid in absolute ethyl alcohol, heating in constant temperature water bath and stirring, adding black mica molybdenum mixed powder, stirring using magnetic stirrer, allowing to stand and layering, pouring supernatant in vacuum drying box and drying, and (iii) adding nano molybdenum disulfide particles to base oil, graphene, nano titanium nitride, nano tungsten disulfide, plant leaf extract and modified mica-molybdenum mixed powder, adding dispersant, uniformly stirring using magnetic stirrer, dispersing in ultrasonic generator and high speed dispersing at room temperature using homogenizer. USE - The lubricating oil is useful for electric motor (claimed). ADVANTAGE - The lubricating oil is environmentally friendly and exhibits excellent anti-wear and anti-friction properties. DETAILED DESCRIPTION - Preparing anti-abrasion and antifriction lubricating oil modified by nano-particles comprises (i) washing 5-10 pts. wt. plant leaves, naturally air-drying, adding organic solvent, soaking for 10-16 seconds, performing centrifugal clarification and placing in fume hood, fully volatilizing solvent to obtain plant leaf extract which can be used as lubricating oil additive, (ii) dissolving 0.18-0.36 pts. wt. modifier of oleic acid in absolute ethyl alcohol, heating in constant temperature water bath at 70-73 degrees C and stirring for 10-15 minutes to obtain modifier solution, adding black mica molybdenum mixed powder, stirring using magnetic stirrer for 5-10 minutes, allowing to stand and layering, pouring supernatant in vacuum drying box and drying for 1-2 hours to obtain modified mica-molybdenum mixed powder, and (iii) adding 0.9-1 pts. wt. nano molybdenum disulfide particles to 90-100 pts. wt. base oil, 0.9-1 pts. wt. graphene, 0.09-0.1 pts. wt. nano titanium nitride, 0.09-0.1 pts. wt. nano tungsten disulfide, plant leaf extract and modified mica-molybdenum mixed powder, adding dispersant, uniformly stirring using magnetic stirrer, dispersing in an ultrasonic generator for 30-35 minutes and high speed dispersing at room temperature for 30-35 minutes using homogenizer.