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A process for the production of ashless antiwear-antioxidant lubricating oil additive and lubricating oil containing the same
A process for the production of ashless antiwear-antioxidant lubricating oil additive and lubricating oil containing the same
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机译:无灰抗磨抗氧化剂润滑油的生产方法及含有该添加剂的润滑油
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摘要
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.展开▼