▎ 摘　　要

NOVELTY - Multifunctional lubricating oil comprises 1-3 pts. wt. cyanoethoxy phosphine sulfate polyquaternium, 0.3-0.6 pts. wt. 6-(dibutylamino)-1,3, 5-triazole-2, 4-dithiol, 0.5-1.2 pts. wt. lipophilic graphene nano-sheet, 0.3-0.6 pts. wt. tea polyphenol chitosan nano-particle, 0.3-0.5 pts. wt. dispersing agent, 0.4-0.6 pts. wt. N, N-bis (2-hydroxyethyl) -2-aminoethanesulfonic acid, 0.1-0.2 pts. wt. thermoplastic elastomer (TPEE) and 60-70 pts. wt. base oil. USE - Multifunctional lubricating oil. ADVANTAGE - The multifunctional lubricating oil has good comprehensive performance and performance stability, good antioxidant stability, excellent extreme pressure performance, wear resistance and lubricating performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the multifunctional lubricating oil, which involves: (1) mixing the components, uniformly stirring to obtain a mixed material, then processing the mixed material by a three-roller machine for three times, (2) finally transferring the mixture processed by the three-roller machine to a vacuumizing and degassing device to remove air.