▎ 摘　　要

NOVELTY - Preparing tungsten disulfide modified graphene composite extreme pressure antiwear agent, comprises (i) reacting precursor Lithium-Tungsten-Sulfur compound with distilled water, under conditions of ultrasonic oscillation, (ii) adjusting the pH value to produce a tungsten disulfide monomolecular layer suspension with a pH to 7, (iii) adding graphene to the suspension and stirring, (iv)centrifuzing to separate solid product, (v) washing the product with small amount of distilled water for many times to determine the removal of lithium hydroxide and soluble substances; and (vi)drying the sample. USE - The method is useful for preparing tungsten disulfide modified graphene (claimed). DETAILED DESCRIPTION - Preparing tungsten disulfide modified graphene composite extreme pressure antiwear agent, comprises (i) reacting 0.4 g of precursor Lithium-Tungsten-Sulfur compound (LixWS2) with 1000 ml of distilled water, under conditions of ultrasonic oscillation, (ii) adjusting the pH value to produce a tungsten disulfide monomolecular layer suspension with a pH to 7, (iii) adding 50 ml of graphene to the suspension and stirring at a constant temperature of 65-75 degrees C for 24 hours, (iv)centrifuzing to separate the solid product at rotation speed of 2000 revolutions/minute, (v) washing the product with a small amount of distilled water for many times to determine the removal of lithium hydroxide and soluble substances; and (vi)drying the sample. An INDEPENDENT CLAIM is also included grease comprises 9-13.5 pts. wt. hydroxy stearic acid, 3-4.5 pts. wt. sebacic acid, 2.6-3.9 pts. wt. lithium hydroxide, 0.5-1 pts. wt. tackifier, 0.5-1 pts. wt. antioxidant additive, 1-3 pts. wt. tungsten disulfide modified graphene composite extreme pressure antiwear agent, 1-3 pts. wt. metal passivant, 0.1-0.3 pts. wt. multifunctional agent, 50-68 pts. wt. base oil, and 15-25 pts. wt. thickening agent calcium sulfonate.