Proton-Conducting Poly(phenylene oxide)-Poly(vinyl benzyl phosphonic acid) Block Copolymers via Atom Transfer Radical Polymerization
作者： Avneesh Kumar , Wojciech Pisula , Dilyana Markova , Markus Klapper , Klaus Müllen
关键词: Hydrolysis 、 Phenylene 、 Atom-transfer radical-polymerization 、 Copolymer 、 Chemistry 、 Phosphonate 、 Oxide 、 Monomer 、 Polymer chemistry 、 Polymerization
摘要: Block copolymers containing poly(phenylene oxide) (PPO) and poly(vinyl benzyl phosphonic acid) segments are synthesized via atom transfer radical polymerization (ATRP). Monofunctional PPO blocks converted into ATRP active macroinitiators, which then used to polymerize a diethyl p-vinylbenzyl phosphonate monomer in order obtain phosphonated block bearing pendent ester groups. Poly(phenylene oxide-b-vinyl ester) hydrolyzed corresponding acid derivatives investigate their proton conductivity. The effect of the relative humidity (RH) is investigated. conductivity at 50% RH one bar vapor pressure approaches 0.01 S cm−1.
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