Synthesis by partial oxygenation of graphite-like carbon nitride (OCN) decorated with oleic diethanolamide borate (ODAB) for oil-based lubricant additives and its tribological properties,New Journal of Chemistry

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Synthesis by partial oxygenation of graphite-like carbon nitride (OCN) decorated with oleic diethanolamide borate (ODAB) for oil-based lubricant additives and its tribological properties
New Journal of Chemistry ( IF 2.7 ) Pub Date : 2020/03/02 , DOI: 10.1039/d0nj00726a
Zengbao He _{1,

2,

3,

4,

5} , Chunying Min _{1,

2,

3,

4,

5} , Yuzi Yang _{1,

2,

3,

4,

5} , Kan Zhang _{1,

2,

3,

4,

5} , Changkun Dong _{1,

2,

3,

4,

5} , Yuhang Zhou _{1,

2,

3,

4,

5} , Weixin Shen _{1,

2,

3,

4,

5}

Affiliation

Graphite-like carbon nitride (OCN) synthesized by partial oxygenation was decorated with lipophilic oleic diethanolamide borate (ODAB) groups via a reflux reaction. The as-modified ODAB-OCN nanosheets could achieve a high degree of dispersion in paraffin oil due to the intercalation of oil-friendly ODAB groups between the nanosheet layers. Notably, the results of the friction experiments revealed that ODAB-OCN, a lubricant additive, possessed excellent tribological properties. Unlike the results for pure oil, the average friction coefficient and wear rate for 0.20 wt% ODAB-OCN included in the oil decreased by 22.7% and 90.8%, respectively. This work will be of great significance for the application of graphite-like carbon nitride (g-C₃N₄) as an oil-based lubricant additive.

中文翻译：

油酸二乙醇酰胺硼酸酯（ODAB）修饰的类石墨氮化碳（OCN）的部分氧合合成及其摩擦学性能

通过回流反应，用亲脂性油酸二乙醇酰胺硼酸酯（ODAB）基团修饰通过部分氧合合成的石墨状氮化碳（OCN）。改性后的ODAB-OCN纳米片由于在纳米片层之间插入了油友好型ODAB基团，因此可以在石蜡油中实现高度分散。值得注意的是，摩擦实验的结果表明，润滑剂添加剂ODAB-OCN具有优异的摩擦学性能。与纯油的结果不同，油中包含的0.20 wt％ODAB-OCN的平均摩擦系数和磨损率分别降低了22.7％和90.8％。这项工作对于类石墨氮化碳（gC ₃ N ₄）作为油基润滑剂添加剂。

更新日期：2020-04-06

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