A series of sebacic acid esters containing mercaptobenzothiazole and dialkylenedithiocarbamate, which are potential environmentally friendly lubricating grease additives, were synthesized. The tribological properties as lubricating additives in Li-soap greases were evaluated using a 4-ball tester and SRV tester. The results show that the series of sebasic acid esters with dioctyldithiocarbamate group and mercaptobenzothiazole groups possess better antiwear performance than that of ZnDTP. Whereas, SRV EP characteristics showed worse than that of ZnDTP.

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