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Facile synthesis of polymerized ionic liquids with high thermal stability |
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| Authors: | Yu-Nung Hsieh Yu-Kai Chou Kuen-Lin Leu Mei-Ying Wang |
| Institution: | a Department of Chemistry, National Cheng Kung University, No. 1, Ta-Hsueh Road, Tainan 701, Taiwan b Department of Cosmetic Science, Chia Nan University of Pharmacy and Science, 60 Erh-Jen Road, Sec.1 Pao-An, Jen-Te Hsiang, Tainan 717, Taiwan c Department and Institute of Health and Nutrition, Chia Nan University of Pharmacy and Science, 60 Erh-Jen Road, Sec.1 Pao-An, Jen-Te Hsiang, Tainan 717, Taiwan |
| Abstract: | Twelve main-chain-type polymerized ionic liquids that have alkylimidazolium cation units were prepared using simple synthetic processes. The polymers were prepared using the self-polymerization of a single monomer; no polymerization initiators were required. The thermal stability and solvent miscibility of these polymers were studied. Results show that the combined anions greatly influence the solubility and thermal stability of the polymers. Among these polymers, poly-alkylimidazolium bis(trifluoromethylsulfonyl)imide polymers exhibited the highest thermal stability (>400 °C), which makes them candidates for many applications. |
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