▎ 摘　　要

NOVELTY - Preparing composite lubricant containing nano graphene oxide/black phosphorous nanosheets, comprises e.g. adding black phosphorous nanosheets to graphene oxide nanosheet dispersion, and uniformly stirring to obtain mixed solution-A; adding oleylamine to the mixed solution-A to form flocs until flocs no longer increase, adding the base oil, transferring the flocs to the base oil until all flocs are transferred to the base oil, separating the base oil, adding surfactant to the base oil, uniformly stirring to obtain the composite lubricant containing nano-graphene oxide/black phosphorous nano-sheets; where the concentration of the graphene oxide nanosheet dispersion is 1-2 mg/ml, the structure of graphene oxide nanosheets is layered structure, the particle size of graphene oxide nanosheets is 500-800 nm; the particle size of black phosphorous nanosheets is 300-500 nm; the added amount of the surfactant is 0.1-0.5 wt.% mass of base oil. USE - The lubricant used in mechanical operation, mechanical equipment oil lubrication and other fields. ADVANTAGE - The method: is simple and has high controllability. The lubricant: can actively improves the friction reduction and lubrication performance in the friction process. DETAILED DESCRIPTION - Preparing composite lubricant containing nano graphene oxide/black phosphorous nanosheets, comprises adding black phosphorous nanosheets to graphene oxide nanosheet dispersion, and uniformly stirring to obtain mixed solution-A; adding oleylamine to the mixed solution-A to form flocs until flocs no longer increase, adding the base oil, transferring the flocs to the base oil until all flocs are transferred to the base oil, separating the base oil, adding surfactant to the base oil, uniformly stirring to obtain the composite lubricant containing nano-graphene oxide/black phosphorous nano-sheets; where the concentration of the graphene oxide nanosheet dispersion is 1-2 mg/ml, the mass ratio of graphene oxide nanosheets to black phosphorous nanosheets is (3:2)-(4:1), the structure of graphene oxide nanosheets is layered structure, the particle size of graphene oxide nanosheets is 500-800 nm; the particle size of black phosphorous nanosheets is 300-500 nm; the added amount of the surfactant is 0.1-0.5 wt.% mass of base oil; the mass ratio of the black phosphorous nanosheets to the base oil is 1:2500-5000. An INDEPENDENT CLAIM is also included for the composite lubricant containing nano graphene oxide/black phosphorous nanosheets is prepared by above mentioned method.