The tribological properties of (quinazolin-4-ones)-3-methyl-dibutyl borate as a novel additive in liquid paraffin

✍ Scribed by Ping Ouyang; Guo Xu Chen; Hua Feng Li; Li Tao Zhao

• Publisher: John Wiley and Sons
• Year: 2010
• Tongue: English
• Weight: 157 KB
• Volume: 22
• Category: Article
• ISSN: 0954-0075
• DOI: 10.1002/ls.130

✦ Synopsis

Abstract

An organic compound containing N, B and O was synthesised by reacting 3‐hydroxymethyl‐quinazolin‐4‐ones and formalin in 1, 4‐dioxane solution, the resulting product then being reacted with butanol and boric acid in dimethylbenzene solution. The tribological performance of the novel compound when added to liquid paraffin was evaluated using a four‐ball tester and a ring‐on‐block machine. The relationship between performance and concentration was analysed, and the results showed that the compound possesses good anti‐wear, friction‐reducing and load‐carrying properties. The mechanism of action of the additive was investigated using X‐ray photoelectron spectroscopy. Surface analysis indicated the formation of a protective film containing borate, Fe~3~O~4~, and an organonitrogen compound. This protective film formed during sliding processes contributes to the increase in wear resistance. Copyright © 2010 John Wiley & Sons, Ltd.