▎ 摘　　要

NOVELTY - Nano graphene composite lubricating oil comprises 100 pts. wt. lubricating base oil, 1-5 pts. wt. nano-graphene, 1-5 pts. wt. nano particles, 8-25 pts. wt. dispersant and 1-10 pts. wt. anti-wear agent. USE - Used as nano graphene composite lubricating oil. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of nano-graphene composite lubricating oil comprising (i) adding lubricating base oil, nano-graphene, nano-particles into high-speed mixer, heating at 100-150 degrees C, homogeneous stirring for 1-5 hours and reacting at 100 degrees C for 2 hours, (ii) adding dispersants and anti-wear agents into reaction product obtained in step (i), warming at 90-110 degrees C, mixed at a speed of 1300 revolutions per minute for 5-30 minutes to obtain final product.