Mannich反应制取的SPN衍生物的摩擦学研究

Tribology Study of S,P and N Derivative Through Mannich Reaction

通过Mannich合成了一种含苄胺的SPN衍生物,在四球摩擦磨损试验机上研究了它们作为加氢油添加剂的摩擦学性能。实验结果表明,该类化合物能较好地提高基础油的极压抗磨性能。用X-射线光电子能谱(XPS)分析了钢球磨损表面典型元素的化学状态,结果表明,在摩擦过程中,钢球表面形成了一层含硫,磷无机膜和含氮有机膜组成的复合膜,是其拥有摩擦学性能的主要因素。

A kind of benamine thiophosphate derivatives is synthesized through Mannich reaction,and its tribological behaviors as lubricating oil additive are examined with four-ball tester.Results indicate that additive increases the load-carrying and antiwear capacities of the base oil.The worn steel surface lubricated with the additive containing base oil is analyzed by X-ray photoelectron spectroscopy（XPS）.Results show that an inorganic protecting film containing sulphur,phosphate and an organic film containing nitrogen are formed during friction and wear,which contributes to its tribological performance.