Tribological performance and chemistry of films for di-n-butyl dithiocarbamate derivatives in rapeseed oil  

作　　者：WU Hua ZENG XiangQiong LU LingBo REN TianHui 

机构地区：[1]School of Chemistry and Chemical Engineering, Shanghai Jiaotong University, Shanghai, China

出　　处：《Chinese Science Bulletin》2007年第2期194-199,共6页

基　　金：the National Natural Science Foundation of China (Grant No. 20472051)

摘　　要：Two di-n-butyl dithiocarbamate derivatives were easily synthesized. Their tribological performances as lubricating oil additives in rapeseed oil were evaluated using a four-ball machine, and their chemistry of films was analyzed with X-ray absorption near-edge spectroscopy (XANES). The results indicate that the two compounds possess excellent anti-wear property and good load-carrying capacity. According to the XANES results, for the thermal films, the outer surfaces are mainly composed of N, S-containing polymer and ferric sulfate, and the near-surface and the bulk are composed of ferrous sulfate, while for the anti-wear films, the outer surfaces are only composed of ferric sulfate, but the near-surface and the bulk are mainly composed of ferrous sulfate.Two di-n-butyl dithiocarbamate derivatives were easily synthesized. Their tribological performances as lubricating oil additives in rapeseed oil were evaluated using a four-ball machine, and their chemistry of films was analyzed with X-ray absorption near-edge spectroscopy （XANES）. The results indicate that the two compounds possess excellent anti-wear property and good load-carrying capacity. According to the XANES results, for the thermal films, the outer surfaces are mainly composed of N, S-containing polymer and ferric sulfate, and the near-surface and the bulk are composed of ferrous sulfate, while for the anti-wear films, the outer surfaces are only composed of ferric sulfate, but the near-surface and the bulk ere mainly composed of ferrous sulfate.

关 键 词：摩擦学 薄膜 化学属性 衍生物 二硫代氨基甲酸酯 

分 类 号：O623.624[理学—有机化学]