ArticleACS applied materials & interfaces2024
Pyrylium- and Pyridinium-Based Ionic Liquids as Friction Modifiers for Greases.
Article in ACS applied materials & interfaces, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Sustainable Polyurea Greases Based on Epoxidized Soybean Oil: Influence of Ureido Structure on Performance.Molecules (Basel, Switzerland) · 2026Article
- Dependency of Morphology and Wetting on Alkyl Chain Length in Vacuum-Evaporated [CLangmuir : the ACS journal of surfaces and colloids · 2026Article
- Advances in the Use of Ionic Liquids as Smart Lubricants and Additives for Tribological Applications.Materials (Basel, Switzerland) · 2026Review
- Effect of the Incorporation of EuClACS omega · 2025Article
- The Preparation of Crumpled Graphene Oxide Balls and Research in Tribological Properties.Materials (Basel, Switzerland) · 2024Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The use of ionic liquids (ILs) as lubricants or additives has been studied extensively over the past few decades. However, the ILs considered for lubricant applications have been part of a limited structural class of phosphonium- or imidazolium-type compounds. Here, new pyrylium- and pyridinium-based ILs bearing long alkyl chains were prepared and evaluated as friction- and wear-reducing additives in naphthenic greases. The physical properties of the synthetic ILs and additized naphthenic grease were measured. The tribological performance of the greases was measured by using standard benchtop tests. The addition of ILs was detrimental to wear, causing an increase in the amount of material removed by sliding relative to the base greases in most cases. In contrast, the friction performance improved under nearly all conditions tested due to the IL additives. The compatibility of the synthetic ILs with the naphthenic greases and its potential influence upon miscibility and tribological performance are tentatively proposed to be a result of the molecular structure.
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