▎ 摘　　要

NOVELTY - Preparation of graphene-carbon nanotube composite loaded nano copper particle lubricating material comprises dispersing graphene oxide and carbon nanotubes in Tris-hydrochloride buffer solution, adding dopamine hydrochloride, reacting, grafting polydopamine on graphene oxide and carbon nanotube surface to obtain functionalized graphene oxide/carbon nanotube composite material, dispersing in ethanol, adding soluble copper salt, adding reducing agent, reacting and converting copper salt in nano-copper loaded on the surface of graphene/carbon nanotube composite material in situ. USE - Method of preparing graphene-carbon nanotube composite loaded nano copper particle lubricating material (claimed). ADVANTAGE - The material has simple preparation and anti-wear and anti-friction effect. DETAILED DESCRIPTION - Preparation of graphene-carbon nanotube composite loaded nano copper particle lubricating material comprises dispersing graphene oxide and carbon nanotubes in Tris-hydrochloride buffer solution, adding dopamine hydrochloride, reacting at 20-25 degrees C, grafting polydopamine on graphene oxide and carbon nanotube surface to obtain functionalized graphene oxide/carbon nanotube composite material, dispersing in ethanol, adding soluble copper salt, adding reducing agent, reacting at 75-95 degrees C and converting copper salt in nano-copper loaded on the surface of graphene/carbon nanotube composite material in situ.