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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.4.310

Structural Studies in Anion Exchange Membrane Prepared by Vinyl Benzyl Chloride and its Electrochemical Properties  

Song, JeeHye (Department of Chemical Engineering, Dong-Eui University)
Seo, BongKuk (R&D Center for Green Fine Chemicals, Korea Research Institute of Chemical Technology (KRICT))
Choi, YongJin (Department of Chemical Engineering, Dong-Eui University)
Publication Information
Membrane Journal / v.25, no.4, 2015 , pp. 310-319 More about this Journal
Abstract
Three kinds of anion-exchangeable functional groups with different hydrocarbon molecular structures were introduced to vinyl benzyl chloride-based membrane to understand the effect of attached function in anion-exchange membrane. Trimethylamine (TMA) as an aliphatic fuction, N-methylpiperidine (MP) as an alicyclic fuction and pyridine (Py) as an aromatic function were introduced by amination. The respective reactivity was observed by the trace of membrane resistance( MER)/ion exchange capacity (IEC) and the increasing order of reactivity was Py < MP < TMA. Meanwhile, SEM photograph showed the attached Py ion-exchange membrane was the most homogenous and compact structure in the study. In electrochemical properties, the attached Py ion-exchange membrane showed the MER ($5.0{\Omega}{\cdot}cm^2$ >, in 0.5 mol/L NaCl), comparable to those of commercial membrane (AMX). All results showed that the resonance structure of attached functional group might contribute to the preparation of homogenous anion-exchange membrane.
Keywords
Anion exchange membrane; resonance structure; Alicyclic hydrocarbon; Aromatic hydrocarbon; Amination rate;
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Times Cited By KSCI : 6  (Citation Analysis)
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