▎ 摘　　要

NOVELTY - A graphene lubricant comprises 20-30 pts. wt.% modified graphene, 50-70 pts. wt.% base oil, 10-20 pts. wt.% nano-ion, 4-6 pts. wt.% dispersant, 14-20 pts. wt.% viscosity modifier, 10-16 pts. wt.% preservative, 6-10 pts. wt.% defoamer and 8-12 pts. wt.% aluminum hydroxide ceramic powder. USE - Graphene lubricant for vehicles. ADVANTAGE - The graphene lubricating oil extends the service life of mechanical components by adding preservatives and improves suspension stability by adding dispersants. The quality of the oil is improved, by adding alumina ceramic powder, thus the anti-wear performance of the oil is increased. The lubrication performance of vehicle lubricants is greatly improved, and the lubrication needs of vehicles in cold and harsh environments are met, by adding modified graphene. The preparation process is simple, the prepared lubricating oil has obvious lubricating effect, reduces the wear of mechanical components, and is efficiently used in cold environments. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene lubricating oil, which involves step (1) mixing the base oil liquid and the ions, using an ultrasonic stirring treatment device to mix, stirring evenly, heating to 140-150 degrees C, keeping the heating time for 2-3 hours to obtain the mixed solution (1), step (2), cooling the mixed solution (1) obtained in step 1 to room temperature, adding modified graphene, and after stirring for 30 minutes, adding a dispersant and stirring to obtain a mixed solution (2), step (3), adding viscosity modifier, preservative, defoamer and aluminum hydroxide ceramic powder to the mixed solution (2) obtained in step 2, and performing ultrasonic mixing treatment using an ultrasonic treatment device, step (4), starting the circulating shearing pump to perform omnidirectional and powerful cyclic shearing of the materials obtained in step (3), fully acting and coupling the various materials completely, then starting the cooling system to cool down to 25-30 degrees C, stirring and stopping circulating shear pumps, and step (5), starting the vacuum pump to extract the air from the material obtained in step (4), taking samples for testing and packaging.