(181bc) ABC Polymeric Ionic Liquid Triblock Terpolymers
AIChE Annual Meeting
2019
2019 AIChE Annual Meeting
Materials Engineering and Sciences Division
Poster Session: Materials Engineering & Sciences (08A - Polymers)
Monday, November 11, 2019 - 3:30pm to 5:00pm
In this study, an ABC PIL triblock terpolymer was synthesized to explore a PIL-containing polymer with a richer compliment of properties, a wider diversity of cation/backbone chemistries, and a broader compositional range to obtain a variety of continuous 3D network morphologies. Specifically, poly(S-b-VBMPyr-TFSI-b-HMA)was synthesized viasequential reversible addition-fragmentation chain-transfer (RAFT) polymerization and subsequently quaternized, where A block = styrene (S), B block or PIL block = vinylbenzyl methylpyrrilidonium bis(trifluoromethylsulfonyl)imide(VBMPyr-TFSI), and C block = hexyl methacrylate (HMA). Reaction kinetics of this PIL ABC triblock terpolymer were investigated and these results were utilized in scaling up the polymerization reaction to > 200 g quantities with narrow polydispersities and controllable block compositions. Chemical, thermal, morphological, and ion conductive properties were characterized using 1H nuclear magnetic resonance (NMR) spectroscopy, elemental analysis (EA), gel permeation chromatography (GPC), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), small angle X-ray scattering (SAXS), transmission electron microscopy (TEM), and electrical impedance spectroscopy (EIS).
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