Preparation process of mechanical oil product light stabilizer

The invention relates to the technical field of chemical engineering, in particular to a preparation process of a mechanical oil product light stabilizer, which comprises the following steps: S1, adding a base oil agent into a reaction kettle, and keeping a stirring state; s2, sequentially adding an antioxidant, an ultraviolet light absorber and an active agent into the reaction kettle, and uniformly stirring; and S3, keeping the stirring state, slowly adding a thickening agent, and sampling through observation and a sampler, so as to select the adding amount according to the state of the light stabilizer, and finally preparing the light stabilizer. The mechanical oil product light stabilizer prepared by adopting the formula and the process disclosed by the invention is a clear faint yellow oily liquid, is not easy to burn, does not explode, does not have corrosivity and pungent odor, has good intermiscibility with 10 #, 22 #, 32 #, 46 # and 68 # mechanical oil in accordance with the GB443-1989 standard, and