Synthesis and physical property characterisation of phosphonium ionic liquids based on P(O)2(OR)2− and P(O)2(R)2− anions with potential application for corrosion mitigation of magnesium alloys

Sun, Jiazeng, Howlett, Patrick C., MacFarlane, Douglas R., Lin, Ji and Forsyth, Maria 2008, Synthesis and physical property characterisation of phosphonium ionic liquids based on P(O)2(OR)2− and P(O)2(R)2− anions with potential application for corrosion mitigation of magnesium alloys, Electrochimica acta, vol. 54, no. 2, pp. 254-260.

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Title Synthesis and physical property characterisation of phosphonium ionic liquids based on P(O)2(OR)2− and P(O)2(R)2− anions with potential application for corrosion mitigation of magnesium alloys
Formatted title Synthesis and physical property characterisation of phosphonium ionic liquids based on P(O)2(OR)2 and P(O)2(R)2 anions with potential application for corrosion mitigation of magnesium alloys
Author(s) Sun, Jiazeng
Howlett, Patrick C.
MacFarlane, Douglas R.
Lin, Ji
Forsyth, Maria
Journal name Electrochimica acta
Volume number 54
Issue number 2
Start page 254
End page 260
Total pages 7
Publisher Elsevier
Place of publication New York, N.Y.
Publication date 2008-12-30
ISSN 0013-4686
1873-3859
Keyword(s) ionic liquids
conductivity
transport properties
corrosion
Summary Phosphonium cation based ionic liquids (ILs) have become of interest due to their unique chemical and electrochemical stability as well as their promising tribological properties. At the same time, interest has also grown in the use of phosphate and phosphinate based ionic liquids for corrosion protection of reactive metals. In this work we describe the synthesis and characterization of six novel ionic liquids based on the tetraalkylphosponium cation coupled with organophosphate and organophosphinate anions and their sulfur analogues. The conductivity and viscosity of these ILs has been measured and discussed in terms of the nature of the interactions, effect of anion basicity and the extent of ionic character. The reaction of the IL with a ZE41 magnesium aerospace alloy surface is also demonstrated.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030263

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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