SYNTHESIS OF DICATIONIC POLY (IONIC LIQUID)S WITH BRUSHED ARCHITECTURE AND THEIR HIGH THERMAL STABILITY

SYNTHESIS OF DICATIONIC POLY (IONIC LIQUID)S WITH BRUSHED ARCHITECTURE AND THEIR HIGH THERMAL STABILITY

Six branched chain dicationic poly(ionic liquid)s (DPILs) with an imidazolium cation on one side, an alkyl chain in the center,and a pyridinium cation on the other side are synthesized in this study. The thermal stability and solvent miscibility of these DPILsare also investigated. The results of this study show that the combined anions can greatly influence the solubility and thermalstability of these PILs. Among these polymers, dicationic poly(imidazolium-alkyl-pyridinium) bis(trifluoromethylsulfonyl)imideionic liquids exhibit the highest thermal stability (> 390°C). This thermal property makes them prime candidates for furtherchemical experimentation, investigation and application.