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Stable dispersibility of bentonite-type additive with gemini ionic liquid intercalation structure for oil-based drilling
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作者 Chaoyang ZHANG Rui DONG +9 位作者 Xingang WANG Yijing LIANG Ming ZHANG Qiangliang YU Zhongping TANG Huiying LV Liping WANG Meirong CAI Feng ZHOU Weimin LIU 《Friction》 SCIE EI CAS CSCD 2023年第2期201-215,共15页
In this study,the direct intercalation of gemini ionic liquids(ILs)with different alkyl chains into the bentonite(BT)interlayer as a high-performance lubricating additive for base oil 500SN was investigated.The purpos... In this study,the direct intercalation of gemini ionic liquids(ILs)with different alkyl chains into the bentonite(BT)interlayer as a high-performance lubricating additive for base oil 500SN was investigated.The purpose of modifying BT with an IL is to improve the dispersion stability and lubricity of BT in lubricating oil.The dispersibility and tribological properties of IL–BT as oil-based additives for 500SN depend on the increase in interlamellar space in BT and improve as the chain length is increased.More importantly,the IL–BT nanomaterial outperforms individual BT in improving wear resistance,owing to its sheet layers were deformed and sprawled in furrows along the metal surface,thereby resulting in low surface adhesion.Because of its excellent lubrication performance,IL-modified BT is a potential candidate for the main component of drilling fluid.It can be used as a lubricating additive in oil drilling and oil well construction to reduce equipment damage and ensure the normal operation of equipments. 展开更多
关键词 ionic liquid modified bentonite NANOMATERIAL oil-based additive
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