首页|Enhancing the Tribological Performance of Conductive Grease Through the Modification of Polypyrrole with Ionic Liquids
Enhancing the Tribological Performance of Conductive Grease Through the Modification of Polypyrrole with Ionic Liquids
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This study prepared four types of ionic liquid-modified polypyrrole(IL-modified PPy)as conductive additives and investigated their tribological performance and conductivity in polytetrafluoroethylene lubricating grease.The results indicated that IL-modified PPy effectively enhanced the anti-wear performance and conductivity of the base grease.Among the additives,1-octyl-3-methylimidazolium tetrafluoroborate([OMIm][BF4])modified PPy showed superior performance compared to the other three additives,with the best effect observed at a mass fraction of 0.5%.X-ray photoelectron spectroscopy analysis revealed that IL-modified PPy forms a stable friction chemical film during the friction process,effectively enhancing the lubrication performance and conductivity of the base grease.This indicates broad potential applications in the field of conductive lubrication.
conductive lubricating greaseILs modified PPyanti-friction and anti-wearadditive
Xia Yanqiu、Chen Wenhao、Jiang Zhirong、Yang Kuo
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School of Energy.Power and Mechanical Engineering,North China Electric Power University,Beijing 102206,China