The invention comprises lubricating compositions and hydraulic fluids containing N,N′-diaryl-m-phenylene diamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids.
该发明涉及含有N,N'-二芳基-
间苯二胺化合物的润滑组合物和液压油,这些化合物在润滑剂和液压油中具有良好的抗氧化性能。