▎ 摘　　要

NOVELTY - A fullerene-carbon nanotube-graphene oxide lubricating additive is prepared by adding fullerene to o-dichlorobenzene, ultrasonically dispersing, adding water-soluble unsaturated monomer and azobisisobutyronitrile, stirring under nitrogen atmosphere, constant temperature stirring and reacting under nitrogen protection, cooling to obtain solution, adding to cyclohexane, centrifuging, adding solid in water, filtering, vacuum distilling filtrate, and putting into vacuum baking box to obtain water soluble polymer modified fullerene. USE - Method for preparing fullerene-carbon nanotube-graphene oxide lubricating additive (claimed) used in mechanical lubrication, water cold rolling liquid and other fields. ADVANTAGE - The additive has excellent lubricating property, improves stability, and reduces environment pollution and production cost. DETAILED DESCRIPTION - A fullerene-carbon nanotube-graphene oxide lubricating additive is prepared by: (A) adding fullerene to o-dichlorobenzene at ratio of 0.2-3 g:1000 mL, ultrasonically dispersing for 30-100 minutes, adding water-soluble unsaturated monomer and azobisisobutyronitrile, stirring under nitrogen atmosphere for 20-100 minutes, constant temperature stirring and reacting under nitrogen protection at 75-86 degrees C for 11-73 hours, cooling to 20 degrees C to obtain solution, adding to cyclohexane at dripping speed of 1-13 drops, centrifuging for 20-30 minutes at speed of 15000 revolutions/minute (rpm), adding solid in 50-400 mL water, filtering, vacuum distilling filtrate, and putting into vacuum baking box at 75-90 degrees C for 12-73 hours to obtain water soluble polymer modified fullerene; (B) adding carbon nanotube to mixed acid solution, heating and refluxing under stirring condition for 12-73 hours, cooling, centrifuging for 20-45 minutes at speed of 4500 rpm, water washing precipitate to neutral, filtering using 0.20-0.25 mu m microporous filtering film, vacuum drying filter cake at 70-90 degrees C for 12-73 hours to obtain functionalized carbon nanotube, ultrasonically dispersing to o-dichlorobenzene and thionyl chloride mixed solution for 30-100 minutes, heating under nitrogen protection to 65-115 degrees C, refluxing for 1-7 days, centrifugally separating, centrifuging, and vacuum drying at 75-115 degrees C for 13-73 hours to obtain chlorinated carbon nanotube; (C) ultrasonically dispersing with water-soluble polymer into solvent for 1-6 hours, reacting at 60-135 degrees C for 2-6 days, evaporating solvent, dissolving to deionized water to obtain aqueous solution, adding to cyclohexane water solution to precipitate, and placing into vacuum drying box for drying at 70-95 degrees C to obtain water soluble polymer-modified carbon nanotube; and (D) using Hummers method on water soluble polymer modified fullerene, water soluble polymer-modified carbon nanotube and graphene oxide into deionized water, ultrasonically dispersing for 30-100 minutes, stirring at room temperature, centrifuging for 15-45 minutes at speed of 15000 rpm, placing precipitate into vacuum oven at 70-90 degrees C for 11-73 hours. The mass ratio of fullerene with water-soluble unsaturated monomer is 1:20-300. The mass ratio of water-soluble unsaturated monomer and azobisisobutyronitrile is 1:0.002-0.02. The volume ratio of cyclohexane and o-dichlorobenzene is 2-13:1. The mixed acid solution is 18 mol/L sulfuric acid and 15 mol/L nitric acid according to volume ratio of 1:3-6. The volume ratio of carbon nanotube with mixed acid solution is 1 g:20-350 mL. The ratio of functionalized carbon nanotube and mixed solution is 1 g:450-1200 mL. The volume ratio of thionyl chloride and o-dichlorobenzene is 1-5:1. The ratio of solvent and chlorinated carbon nanotube is 1-7 L:1 g. The mass ratio of water-soluble polymer and chlorinated carbon nanotube is 55-350:1.The volume ratio of cyclohexane and deionized water is 8-13:1. The solvent is N,N-dimethyl acetamide and toluene. The water-soluble polymer is polyethylene glycol, hydrolyzed polyacrylamide and polyvinyl alcohol. The ratio of water soluble polymer modified fullerene, water soluble polymer-modified carbon nanotube and graphene oxide is 1-10:1:1. The ratio of water soluble polymer-modified carbon nanotube and deionized water is 1 g:1-7 L.