Tadeusz Biedroń and Przemysław Kubisa Imidazolium ionic liquids with short polyoxyethylene chains Journal of Polymer Science Part A: Polymer Chemistry 46
Polyoxyethylenes containing ionic liquid head group may easily be prepared by simple sequence of reactions involving reaction of imidazolium ionic liquids with paraformaldehyde to form imidazolium ionic liquids substituted at 2-position with CH2OH group and subsequent anionic polymerization of ethylene oxide after converting hydroxyl groups into alkoxide groups. Up to DPn ∼ 30 degree of polymerization of POE is equal to [EO]/[bhmim] ratio thus it can easily be controlled. Blending of POE-IL with high-molecular-weight POE leads to significant reduction of crystallinity of POE.
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