The tribological performance and tribochemical analysis of novel borate esters as lubricant additives in rapeseed oil

J. Yan, Xiangqiong Zeng, Emile van der Heide, T. Ren

Research output: Contribution to journalArticleAcademicpeer-review

60 Citations (Scopus)

Abstract

Two novel borate esters, tris (4-dodecylphenyl) borate and 2-(2-(4-dodecylphenoxy)-1, 3, 6, 2-dioxazaborocan-6-yl) ethanol were synthesized and applied as anti-wear and extreme pressure additives in rapeseed oil. The borate esters possess high anti-wear and extreme pressure properties. XANES and XPS were used to analyze the composition and structure of boundary films at the worn surfaces. It is shown that the additives form a protective film at the rubbed surfaces based on B2O3 and/or BN. B–N synergetic effect was found in the results which suggests that tribofilms composed of BN are to be preferred over tribofilms that consists of B2O3.
Original languageEnglish
Pages (from-to)149-157
JournalTribology international
Volume71
DOIs
Publication statusPublished - 2014

Keywords

  • METIS-300504
  • IR-93945

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