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Linear poly(ethylenimine) (LPEI) has been modified by reductive alkylation to form linear poly(N-(2-(2-methoxyethoxy)ethyl)ethylenimine) (LPEI-G2) as verified by nuclear magnetic resonance spectroscopy (NMR). The resulting LPEI-G2 has short methyl-capped oligo(ethylene oxide) side-chains attached to the LPEI backbone. Characterization of pure LPEI-G2 and LPEI-G2 complexed with lithium triflate (LiTf)...
Linear poly(ethylenimine) (LPEI) is an NH-containing analog of poly(ethylene oxide) (PEO). Various groups (e.g. CH 3 ) can be attached to the nitrogen atoms in order to decrease the crystallinity and eliminate hydrogen bonding of the host polymer. This paper focuses on linear poly(N-methylethylenimine), LPMEI, with dissolved lithium triflate (LiTf) and sodium triflate (NaTf). These electrolytes...
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