申请人:Nippon Oil Corporation
公开号:EP1580257A1
公开(公告)日:2005-09-28
A lubricating oil additive and a lubricating oil composition wherein no precipitation is generated to exhibit a good storage stability even if a combination of a salicylate detergent and another metal detergent is used is provided by rendering the additive and composition an additive and a composition obtained by incorporating, into a lubricant base oil, (A) an alkali metal or alkaline earth metal salicylate having at its 3 and 5-positions hydrocarbon groups having 1 to 40 carbon atoms and a (per)basic salt, and (B) a metal detergent other than any salicylate detergent.
提供了一种润滑油添加剂和润滑油组合物,该添加剂和组合物通过将以下添加剂和组合物加入润滑油基础油中而获得,即使使用水杨酸酯类清净剂和另一种金属清净剂的组合,也不会产生沉淀,从而表现出良好的储存稳定性、(A) 碱金属或碱土金属水杨酸盐,在其 3 位和 5 位上具有 1 至 40 个碳原子的烃基和(过)碱式盐,以及 (B) 除任何水杨酸盐洗涤剂之外的金属洗涤剂。