Ionic Grease Lubricants: Protic [Triethanolamine][Oleic Acid] and Aprotic [Choline][Oleic Acid]
Source abstract
Abstract
Ionic liquid lubricants or lubricant additives have been studied intensively over past decades. However, ionic grease serving as lubricant has rarely been investigated so far. In this work, novel protic [triethanolamine][oleic acid] and aprotic [choline][oleic acid] ionic greases are successfully synthesized. These ionic greases can be directly used as lubricants without adding thickeners or other additives. Their distinct thermal and rheological properties are investigated and are well-correlated to their tribological properties. It is revealed that aprotic ionic grease shows superior temperature- and pressure-tolerant lubrication properties over those of protic ionic grease. The lubrication mechanism is studied, and it reveals that strong physical adsorption of ionic grease onto friction surface plays a dominating role for promoted lubrication instead of tribo-chemical film formation.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Lubricants and Their Additives · Ionic liquids properties and applications · Force Microscopy Techniques and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Intelligent Composites Laboratory, Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, Ohio 44325 United States
Division of Machine Elements, Luleå University of Technology, Luleå 97187, Sweden
College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, PR China
Funding
American Chemical Society Petroleum Research Fund · Faculty Research Committee, University of Akron
References (42)
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