Synthesis and tribology study of bi-alkoxy mono-thiophosphate triazine derivatives as additives in rapeseed oil |
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Authors: | He?Zhongyi Xiong?Liping Zeng?Xiangqiong Email author" target="_blank">Ren?TianhuiEmail author |
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Institution: | HE Zhongyi1,2, XIONG Liping2, ZENG Xiangqiong1 & REN Tianhui1 1. School of Chemistry and Chemical Engineering, Shanghai Jiaotong University, Shanghai 200240, China; 2. School of Basic Science, East China Jiaotong University, Nanchang330013, China |
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Abstract: | Series of triazine derivatives, 2,4-bi-alkoxy-6-(O,O’-dialkyldithiophosphate)-s-1,3,5-triazine, were synthe-sized. Their tribological properties as lubricating oil additives
in vegetable oil were evaluated using a four-ball tester. The results show that these triazine derivatives possess extreme
pressure capacity, and they can improve antiwear and friction-reducing performance of base stock. The elements chemical states
of the worn surface were estimated through X-ray photoelectron spectroscopy (XPS) and scanning electron microscope (SEM).
The results show that a protective film containing sulphide, phosphate and some organic nitrogen compounds was formed on the
worn surface during the lubrication process, and the film possesses extreme pressure and antiwear properties. |
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Keywords: | triazine derivative tribological property rapeseed oil additive XPS |
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