Composite barium-based lubricating grease and preparation method thereof

The invention relates to the technical field of lubricating grease, in particular to composite barium-based lubricating grease and a preparation method thereof. The lubricating grease comprises base oil and a thickening agent, wherein the thickening agent is prepared from composite acid and barium hydroxide, and the composite acid comprises stearic acid, terephthalic acid and acetic acid. By optimizing the formula of the lubricating grease (especially compounding of the compound acid in the thickening agent), the lubricating grease has good extreme pressure wear resistance, high temperature resistance, mechanical stability, salt water resistance, adhesion, corrosion resistance and the like, is multi-effect lubricating grease, and has wide application prospects. With a preparation method disclosed by the invention, the performance of each component in the formula can be given to full play, so the performance of the lubricating grease in each aspect is further improved; and process is simple, cost is low, and p