A process for the production of ashless antiwear-antioxidant lubricating oil additive and lubricating oil containing the same
申请人:TEXACO DEVELOPMENT CORPORATION
公开号:EP0499453A1
公开(公告)日:1992-08-19
A method for producing an ashless, antiwear-antioxidant lubricating oil comprises:
(a) reacting a thiomethylphenol with phosphorus pentasulfide to form a dithiophosphoric acid intermediate; and
(b) treating the dithiophosphoric acid intermediate with an expoxide to yield a corresponding dithiophosphoric ester alcohol product.
一种生产无灰抗磨抗氧化润滑油的方法包括
(a) 硫代甲基苯酚与五硫化二磷反应生成二硫代磷酸中间体;以及
(b) 用过氧化物处理二硫代磷酸中间体,生成相应的二硫代磷酸酯醇产品。