▎ 摘　　要

NOVELTY - A graphene lubricating oil additive comprises 0.1-1 wt.%, preferably 0.4 wt.% graphene, 1-10 wt.%, preferably 4 wt.% hydrogenated styrene-diene copolymer, 1-10 wt.%, preferably 2 wt.% oleic acid, 10-25 wt.%, preferably 15 wt.% borate and 70-90 wt.%, preferably 78.6 wt.% oil solvent. USE - Graphene lubricating oil additive. ADVANTAGE - The graphene lubricating oil additive is prepared by simple process at low production cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene lubricating oil additive, which involves stirring borate and oily solvent at a temperature of 50-60 degrees C for 30 minutes, electrolytically stirring with oleic acid and hydrogenated styrene-diene copolymer for 30 minutes, electromagnetically stirring the graphene for 30 minutes, and ultrasonically treating at 300 W and 20-40 Hz for 30 minutes.