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Cho, Jaeweon
도시환경 감각연구소/Sense Laboratory
Research Interests
  • Convergence of Science and Arts; Environment Ethics; Meta-modernism in Semantics Engineering

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Preparation and characterization of LDPE/polyvinylbenzyl trimethyl ammonium salts anion-exchange membrane

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Title
Preparation and characterization of LDPE/polyvinylbenzyl trimethyl ammonium salts anion-exchange membrane
Author
Choi, YJKang, MSCho, JaeweonMoon, SH
Keywords
Low-density polyethylene; Polyvinylbenzyl trimethyl ammonium salts; Anion-exchange membrane; UV radiation polymerization; Morphology control
Issue Date
2003-08
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF MEMBRANE SCIENCE, v.221, no.1-2, pp.219 - 231
Abstract
Low-density polyethylene (LDPE)/polyvinylbenzyl trimethyl ammonium salts (PVBTMA) anion-exchange membranes were prepared by a monomer-sorption method and UV radiation polymerization. Morphology of the membrane was controlled by variation of monomer composition. FT-IR-ATR/TR and DSC analyses were carried out for the membranes prepared. Due to swelling effect of styrene in LDPE network, the increasing styrene content in monomer solution led to formation of homogeneous membrane. The membranes were also characterized in terms of electrochemical properties, i.e. ion-exchange capacity (IEC), membrane electrical resistance (MER), transport number (t_), current-voltage (I-V) and chronopotentiometric curves. The permselectivity and MER of the membrane were depending strongly on the surface-homogeneity and the cross-sectional homogeneity, respectively. (C) 2003 Elsevier B.V. All rights reserved
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DOI
10.1016/S0376-7388(03)00265-5
ISSN
0376-7388
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UEE_Journal Papers
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