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http://dx.doi.org/10.9713/kcer.2011.49.2.211

Preparation and Properties of Sufonated High Impact Polystyrene(HIPS) Cation Exchange Membrane Via Sulfonation  

Kim, Yong-Tae (Dept. of Chemical Engineering, College of Engineering, Chungnam National Uvinersity)
Kwak, Noh-Seok (Dept. of Chemical Engineering, College of Engineering, Chungnam National Uvinersity)
Lee, Choul-Ho (Dep. of chemical engineering, Kongju National University)
Jin, Chang-Soo (Energy storage center, Korea Institute of Energy research)
Hwang, Taek-Sung (Dept. of Chemical Engineering, College of Engineering, Chungnam National Uvinersity)
Publication Information
Korean Chemical Engineering Research / v.49, no.2, 2011 , pp. 211-217 More about this Journal
Abstract
In this study, ion exchange membranes were prepared using high impact polystyrene(HIPS) with various crosslinking and sulfonation time. Degree of sulfonation(DS) of sulfonated HIPS(SHIPS) membrane was increased with sulfonation time and decreased with crosslinking time. The highest value of DS was 66%. Also, water uptake and ion exchange capacity(IEC) of SHIPS membrane were decreased with degree of crosslinking and increased with sulfonation time. Then their values were 35.2% and 1.55 meq/g, respectively. Electrical resistance and ion conductivity of the membranes were showed more excellent value with sulfonation time. The maximum value of electrical resistance and ion conductivity were $0.4\Omega{\cdot}cm^{2}$ and 0.1 S/cm, respectively. It is indicated that the SHIPS membrane has the higher performance compare with Nafion 117. Durability of SHIPS membranes in a organic solvent was increased with increasing crosslinking time. The surface roughness of HIPS membranes were confirmed with SEM that was become uneven surface with progressing sulfonation.
Keywords
Sulfonation; Crosslinking; HIPS; Ion Exchange Membrane;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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