Novel imidazolinium ionic liquids and organic salts

Chong, Alison L., Forsyth, Maria and Macfarlane, Douglas R. 2015, Novel imidazolinium ionic liquids and organic salts, Electrochimica acta, vol. 159, pp. 219-226, doi: 10.1016/j.electacta.2015.01.180.

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Title Novel imidazolinium ionic liquids and organic salts
Author(s) Chong, Alison L.
Forsyth, MariaORCID iD for Forsyth, Maria
Macfarlane, Douglas R.
Journal name Electrochimica acta
Volume number 159
Start page 219
End page 226
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-03-20
ISSN 0013-4686
Keyword(s) Science & Technology
Physical Sciences
Imidazolinium Ionic Liquids
Physical Properties
Electrochemical Stability
Corrosion Inhibition
Summary The preparation and physical properties of a novel family of ionic liquids and organic salts based on the imidazolinium cation are described, and compared with their imidazolium analogues in some cases. Ionic liquids were obtained with the triflate, formate and salicylate anions, while > 100 °C melting points were observed with acetate and several other benzoate derivatives. The triflate salt was less ion-conductive than the corresponding imidazolium salt, but less so than expected on the basis of its viscosity, suggesting a contribution from proton conductivity. The electrochemical window of the imidazolinium was slightly extended in the reductive direction, due to the lower proton activity produced by the cation in this case. Imidazolinium salts are also known to exhibit anti-corrosion properties and hence a preliminary study of this property is also reported; 2-methylimidazolinium 4-hydroxycinnamate was found to show strong anodic corrosion inhibition on mild steel.
Language eng
DOI 10.1016/j.electacta.2015.01.180
Field of Research 03 Chemical Sciences
09 Engineering
02 Physical Sciences
039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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