TetraPEG Network Formation via a Michael Addition Reaction in an Ionic Liquid: Application to Polymer Gel Electrolyte for Electric Double-layer Capacitors

Polymer network formation via Michael addition of two tetra-arm poly(ethylene glycol) (TetraPEG) prepolymers possessing maleimide (MA) and thiol (SH) terminals was investigated in a typical aprotic ionic liquid containing a basic catalyst. The gelation reaction proceeded successfully at room tempera...

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Bibliographic Details
Published in:Chemistry letters 2019-07, Vol.48 (7), p.704-707
Main Authors: Yoshitake, Mari, Han, Jihae, Sakai, Takamasa, Morita, Masayuki, Fujii, Kenta
Format: Article
Language:English
Subjects:
Addition polymerization
Capacitors
Conducting polymers
Electrolytes
Gelation
Ionic liquids
Ions
Michael reaction
Network formation
Polyethylene glycol
Polymers
Prepolymers
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Summary:Polymer network formation via Michael addition of two tetra-arm poly(ethylene glycol) (TetraPEG) prepolymers possessing maleimide (MA) and thiol (SH) terminals was investigated in a typical aprotic ionic liquid containing a basic catalyst. The gelation reaction proceeded successfully at room temperature to give high network connectivity (∼98%). The resulting TetraPEG gel showed ideal liquid-like ion conducting properties and was applied to a polymer electrolyte for electric double-layer capacitors (EDLC).
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.190143