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Synthesis of dicationic symmetrical and asymmetrical ionic liquids and their tribological properties as ultrathin films.
- Source :
-
Tribology Letters . Mar2007, Vol. 25 Issue 3, p197-205. 9p. - Publication Year :
- 2007
-
Abstract
- A new series of novel dicationic symmetrical and asymmetrical ionic liquids (ILs) consisting of tributylalkyl phosphonium and alkylimidazolium were synthesized. Their tribological properties in the form of spin-coated ultra-thin films sliding against AISI-52100 steel ball were studied in a ball-on-plate configuration on a Universal Micro-tribometer-2MT tester, using perfluoropolyether (PFPE) and normal ILs as comparisons. The best result is obtained for asymmetrical 1-(1-tributylphosphine-yl-hexyl)-3-methylimidazolium dihexafluorophosphate, which has very high decomposition temperature-about 450??C and good tribological properties. [ABSTRACT FROM AUTHOR]
- Subjects :
- *IONS
*ASYMMETRIC synthesis
*STEEL ball bearings
*TRIBOLOGY
Subjects
Details
- Language :
- English
- ISSN :
- 10238883
- Volume :
- 25
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Tribology Letters
- Publication Type :
- Academic Journal
- Accession number :
- 24080374
- Full Text :
- https://doi.org/10.1007/s11249-006-9167-8