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Study on the synthesis and tribological properties of anti-corrosion benzotriazole ionic liquid

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Abstract

Anti-corrosion benzotriazole ionic liquid (IL, BTAP4444) was synthesized by neutralizing 1H-benzotriazole (BTAH) with terabutylphosphonium hydroxide (P4444OH). The physicochemical and tribological properties of BTAP4444 were measured and the results indicated that it had good lubricating properties for steel/steel, steel/copper and steel/aluminum friction pairs in reducing the friction coefficient and wear volume, especially when it worked for the steel/copper friction pair both at room temperature (RT) and 100 °C. Good performances were also found in terms of its anti-corrosion ability, thermal and hydrolysis stability, and viscosity temperature characteristics compared with commercially available synthetic oil poly-alpha-olefin (PAO 10) and traditional IL 1-butyl-3-methyl imidazolium tetrafluoroborate (bmimBF4). The designing purpose of BTAP4444 is to enhance the anti-corrosion ability of the IL lubricant attributed to the introduction of a nitrogen heterocyclic structure, 1H-benzotriazole, which is normally used as antirust and corrosion inhibitor in mechanical engineering. The corrosion test results confirm our assumption and BTAP4444 shows excellent anti-corrosion ability for all the used friction pairs including steel/steel, steel/copper and steel/aluminum contacts.

Graphical abstract: Study on the synthesis and tribological properties of anti-corrosion benzotriazole ionic liquid

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Publication details

The article was received on 26 Nov 2016, accepted on 06 Feb 2017 and first published on 13 Feb 2017


Article type: Paper
DOI: 10.1039/C6RA27376A
RSC Adv., 2017,7, 11030-11040
  • Open access: Creative Commons BY license
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    Study on the synthesis and tribological properties of anti-corrosion benzotriazole ionic liquid

    S. Zhang, L. Ma, R. Dong, C. Y. Zhang, W. J. Sun, M. J. Fan, D. S. Yang, F. Zhou and W. M. Liu, RSC Adv., 2017, 7, 11030
    DOI: 10.1039/C6RA27376A

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