Design of Clickable Ionic Liquid Monomers to Enhance Ionic Conductivity for Main-Chain 1,2,3-Triazolium-Based Poly(Ionic Liquid)s

نویسندگان

چکیده

A series of clickable alpha-azide-omega-alkyne ionic liquid (IL) monomers with an ethylene oxide spacer were developed and applied to the synthesis 1,2,3-triazolium-based poly(ionic liquid)s (TPILs) high conductivities via one-step thermal azide-alkyne cycloaddition click chemistry. Subsequently, number IL moieties in resultant TPILs was further increased by N-alkylation 1,2,3-triazole-based backbones a quarternizing reagent. This strategy affords preparation having either one or two 1,2,3-triazolium cations bis(trifluoromethylsulfonyl)imide anions monomer unit. Synthesis confirmed H-1 C-13 NMR spectroscopy gel permeation chromatography. The effects length unit on physicochemical properties characterized differential scanning calorimetry, thermogravimetric analysis, impedance spectroscopy. introduction longer increase resulted lower glass-transition temperatures higher conductivities. highest conductivity achieved this study 2.0 x 10(-5) S cm(-1) at 30 degrees C. These results suggest that design provides polymer chain flexibility density, so it is effective for preparing

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ژورنال

عنوان ژورنال: ACS omega

سال: 2021

ISSN: ['2470-1343']

DOI: https://doi.org/10.1021/acsomega.0c06173