Graphene molybdenum disulfide lubricating oil composite additive containing ionic liquid as well as preparation and application of graphene molybdenum disulfide lubricating oil composite additive

The invention relates to a graphene-based lubricating oil additive, which is prepared from the following ingredients in percentage by mass: 2 to 10 percent of graphene or graphene oxide, 1 to 20 percent of molybdenum disulfide nanometer materials, 29 to 40 percent of ionic liquid and 40 to 59 percent of dispersing agents. The invention also relates to a preparation method and application of the lubricating oil additive. The lubricating oil additive disclosed by the invention has the advantages of stable dispersibility, friction reduction and good wear resistance. The preparation method disclosed by the invention is green and environment-friendly, easy for batch production and relatively low in production cost. 本发明涉及一种基于石墨烯的润滑油添加剂，其按质量百分比由以下成分组成：石墨烯或氧化石墨烯2～10％，二硫化钼纳米材料1～20％，离子液体29～40％，分散剂40～59％。本发明还涉及所述润滑油添加剂的制备方法和应用。本发明的所述润滑油添加剂具有分散性稳定，减摩、抗磨性能良好的优点。本发明的制备方法绿色环保，易于批量生产，生产成本较低。