Synthesis and tribology study of bi-alkoxy mono-thiophos-phate triazine derivatives as additives in rapeseed oil

Series of triazine derivatives, 2,4-bi-alkoxy-6-(O,O’-dialkyldithiophosphate)-s-1,3,5-triazine, weresynthesized. Their tribological properties as lubricating oiladditives in vegetable oil were evaluated using a four-balltester. The results show that these triazine derivatives possessextreme pressure capacity, and they can improve antiwearand friction-reducing performance of base stock. Theelements chemical states of the worn surface were estimatedthrough X-ray photoelectron spectroscopy (XPS) andscanning electron microscope (SEM). The results show that aprotective film containing sulphide, phosphate and someorganic nitrogen compounds was formed on the worn surfaceduring the lubrication process, and the film possessesextreme pressure and antiwear properties.

XANES analysis of tribo-chemical and thermal films generating from some organic polysulfides

X 光检查吸收近的边结构(XANES ) 光谱学第一被用来描绘从烷基，本甲基和包含酰的器官的 polysulfides 产生的 triboehemical 和热电影的化学性质。从这些 polysulfides 产生的热电影主要由 FeSO4l 和烷基化二硫组成，这被发现了也存在在表面下并且从包含酰的 polysulfides 产生的热电影的体积。Undertriboehemical 条件，电影的作文依赖于添加剂的分子结构。也就是，从烷基 polysulfide 产生的 triboehemical 电影由烷基化二硫组成在外面表面， FeSO_4 的混合物， FeS_2 和亚在表面下，并且 FeSO_4in 体积；为本甲基 polysulfide 的 triboehemical 电影的作文由 FeSO4 组成在外面，出现作文在表面下并且体积与烷基 polysulfide.For 一样是包含酰的 polysulfides， triboehemical 电影由烷基化二硫组成在外面表面，和 FeS_2 在表面下并且体积。