Journal
TRIBOLOGY INTERNATIONAL
Volume 121, Issue -, Pages 435-441Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2018.01.063
Keywords
Choline; Amino acid; Ionic liquid lubricant; Toxicity
Categories
Funding
- National Natural Science Fund [51675006]
- Science and Technology Department of Shaanxi Province [2016JZ017]
- Education Department of Shaanxi Province [15JF007]
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This research into environmentally-friendly ionic liquids (ILs) used a series of choline amino acid ILs ([Ch] [AA] ILs) prepared from choline cations and several amino acid anions. Their physicochemical and tribological properties were tested, and the results showed that [Ch] [AA] Its had good lubricating properties for different friction pairs at room temperature (RT). Their toxicities were checked against three aquatic organisms: brine shrimp, zebrafish and green algae. The results showed that they have a remarkably low toxicity. Versus traditional IL 1-butyl-3-methyl imidazolium tetrafluoroborate (L-B104), the [Ch] [AA] ILs had comparable or even better physicochemical and tribological properties. More importantly, they had the environmentally features of biodegradability and non-toxicity.
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