申请人:Adeka Corporation
公开号:EP1717298A1
公开(公告)日:2006-11-02
The present invention provides a lubricating oil additive with excellent cleaning performance which does not include metal components such as calcium or magnesium, and a lubricating oil composition containing the same. The lubricating oil additive according to the present invention is characterized by containing a quaternary ammonium salt having a base number of at least 10 mgKOH/g. Examples of such a quaternary ammonium salt include quaternary ammonium salts obtained by subjecting counter anions in cationic surfactants such as tetraalkylammonium chloride and tetraalkylammonium sulfate to salt-exchange.
本发明提供了一种不含诸如钙或镁等金属成分的具有优异清洁性能的润滑油添加剂,以及含有该添加剂的润滑油组合物。根据本发明的润滑油添加剂的特点是含有碱基数至少为 10 mgKOH/g 的季铵盐。这种季铵盐的例子包括通过对阳离子表面活性剂(如氯化四烷基铵和硫酸四烷基铵)中的反阴离子进行盐交换而得到的季铵盐。