Poly (Ethylene Oxide)-Based Block Copolymer Electrolytes Formed Via Ligand-Free Iron-Mediated Atom Transfer Radical Polymerization

Overview

Journal Polymers (Basel)

Publisher MDPI

Date 2020 Apr 5

PMID 32244569

Citations 2

Authors

Sibo Li

Mengying Tian

Jirong Wang

Feipeng Du

Liang Li

Zhigang Xue

Affiliations

Soon will be listed here.

Abstract

The Br-terminated poly (ethylene oxide) (PEO-Br) is used as a green and efficient macroinitiator in bulk Fe-catalyzed atom transfer radical polymerization (ATRP) without the addition of any organic ligands. The polymerization rate is able to be mediated by PEO-Br with various molecular weights, and the decrease in redox potential of FeBr in cyclic voltammetry (CV) curves indicates that an increased coordination effect is deteriorated with the depressing reaction activity in the longer ethylene oxide (EO) chain in PEO-Br. In combination with the study of different catalysts and catalytic contents, the methyl metharylate (MMA) or poly (ethylene glycol) monomethacrylate (PEGMA) was successfully polymerized with PEO-Br as an initiator. This copolymer obtained from PEGMA polymerization can be further employed as a polymer matrix to form the polymer electrolyte (PE). The higher ionic conductivity of PE was obtained by using a high molecular weight of copolymer.

Citing Articles

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