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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 11    No. 1    February 2001

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Antiwear and reducing friction performance
of (2-sulphurone-benzothiazole)-3-methyl dodecanoate
HUANG Wei-jiu(黄伟九)1,LI Fen-fang(李芬芳)2,CHEN Bo-shui (陈波水)2
 CHEN Guo-xu(陈国需)2,DONG Jun-xiu(董浚修)2

1. Department of Mechanical Engineering,
 Chongqing Institute of Technology,Chongqing 400050, P.R.China;
2.Department of Petrol Engineering,
 Logistic Engineering College, Chongqing 400016, P.R.China

Abstract: A heterocyclic derivative of (2-sulphuronebenzothiazole)-3-methyl dodecanoate was synthesized. Its tribological performance when added to liquid paraffin was evaluated on a four-ball tester and a ring-on-block machine. Results indicate that compared with the base oil the wear resistance and load-carrying capacities of the oil with novel additive are improved, and the friction coefficient is decreased. There is an optimal content of the novel compound, at which the corresponding oil gives the highest maximum non-seizure load. Above the content,the load carrying capacity of the oil is not increased but decreased. The nature of the film formed on the rubbed surface was investigated by X-ray photoelectron spectroscopy (XPS) analysis, and the action mechanism of the novel compound was discussed.

 

Key words: synthesis; additive; mechanism; antiwear; friction reducing

ISSN 1672-7029
CN 43-1423/U

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