Synthesis and Characterization of 1‐Vinylimidazolium Alkyl Sulfate Polymeric Ionic Liquids | Zendy

Gallagher Simon | Zendy; Ziolkowski Bartosz | Zendy; Fox Eoin | Zendy; Fraser Kevin J. | Zendy; Diamond Dermot | Zendy

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Synthesis and Characterization of 1‐Vinylimidazolium Alkyl Sulfate Polymeric Ionic Liquids

Author(s) -

Gallagher Simon,

Ziolkowski Bartosz,

Fox Eoin,

Fraser Kevin J.,

Diamond Dermot

Publication year - 2014

Publication title -

macromolecular chemistry and physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.57

H-Index - 112

eISSN - 1521-3935

pISSN - 1022-1352

DOI - 10.1002/macp.201400300

Subject(s) - ionic liquid , alkyl , monomer , thermal stability , polymer chemistry , chemistry , polymerization , halide , sulfate , thermogravimetric analysis , ionic bonding , inorganic chemistry , organic chemistry , catalysis , polymer , ion

Three ionic monomers based on a 1‐vinylimidazolium cation, 1‐vinyl‐3‐methylimidazolium methyl sulfate, 1‐vinyl‐3‐ethylimidazolium ethyl sulfate, and 1‐vinyl‐3‐propylimidazolium propyl sulfate are synthesized and characterized by thermal and spectroscopic methods. The ionic‐liquid monomers (ILMs) are prepared using a halide‐free route under ambient conditions by the quaternization reaction of 1‐vinylimidazoles with alkyl sulfates. Through free‐radical polymerization and rheology analysis, solid freestanding linear polymeric‐ionic‐liquid (PILs) films are obtained with a tan δ value as low as 0.180. After polymerization, thermal methods show the linear PILs to possess a thermal stability of up to 340 °C, while rheology analysis reveals the films to have a storage moduli value as high as 4.64 × 10 6 Pa.

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