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Tribological performance of 2‐mercaptobenzothiazole derivatives as lubricating oil additives

Tribological performance of 2‐mercaptobenzothiazole derivatives as lubricating oil additives Purpose – The paper's aim is to study tribological performances of two 2‐mercaptobenzothiazole derivatives which are ashless and lacking in phosphorous as lubricating oil additives in HVIW H150 base oils. Design/methodology/approach – The two 2‐mercaptobenzothiazole derivatives were synthesized; their tribological performances were evaluated with a four‐ball machine, and the worn surface was analyzed with a X‐ray photoelectron spectroscopy (XPS). Findings – The two compounds possess good anti‐wear properties and excellent load‐carrying capacity. According to the XPS results, the additive reacted with counter‐face metal and generated a sulphur‐containing inorganic film consisting of FeS, FeS 2 and FeSO 4 , and a complex N‐containing resin polymer film. Research limitations/implications – Their antioxidant properties are not estimated, and their anti‐wear action mechanism need to be further explored. Practical implications – Two useful ashless AW lubricating oil additives were synthesized, and may be has potential as gas engine lubricating oil additives. Originality/value – This paper provides a study of some N, S‐containing heterocyclic compounds as lubricating oil additives. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Tribological performance of 2‐mercaptobenzothiazole derivatives as lubricating oil additives

Industrial Lubrication and Tribology , Volume 60 (4): 6 – Jun 20, 2008

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References (18)

Publisher
Emerald Publishing
Copyright
Copyright © 2008 Emerald Group Publishing Limited. All rights reserved.
ISSN
0036-8792
DOI
10.1108/00368790810881524
Publisher site
See Article on Publisher Site

Abstract

Purpose – The paper's aim is to study tribological performances of two 2‐mercaptobenzothiazole derivatives which are ashless and lacking in phosphorous as lubricating oil additives in HVIW H150 base oils. Design/methodology/approach – The two 2‐mercaptobenzothiazole derivatives were synthesized; their tribological performances were evaluated with a four‐ball machine, and the worn surface was analyzed with a X‐ray photoelectron spectroscopy (XPS). Findings – The two compounds possess good anti‐wear properties and excellent load‐carrying capacity. According to the XPS results, the additive reacted with counter‐face metal and generated a sulphur‐containing inorganic film consisting of FeS, FeS 2 and FeSO 4 , and a complex N‐containing resin polymer film. Research limitations/implications – Their antioxidant properties are not estimated, and their anti‐wear action mechanism need to be further explored. Practical implications – Two useful ashless AW lubricating oil additives were synthesized, and may be has potential as gas engine lubricating oil additives. Originality/value – This paper provides a study of some N, S‐containing heterocyclic compounds as lubricating oil additives.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Jun 20, 2008

Keywords: Additives; Oils; Tribology

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