▎ 摘　　要

NOVELTY - A graphene-zero-valent iron-based lubricant comprises base oil, graphene-based nanoparticles, antioxidant, viscosity index improver, dispersant, antifoaming agent, and other additives chosen from rust inhibitor, pour point depressant, tackifier, cleaning agent and demulsifier. The graphene-based nanoparticles include zero-valent iron. USE - Graphene-zero-valent iron-based lubricant (claimed). ADVANTAGE - The graphene-zero-valent iron-based lubricant has excellent dispersion stability, antifriction property and self-repair effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene-zero-valent iron-based lubricant.