Korean Membrane Journal

The Membrane Society of Korea (한국막학회)
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Preparation of Cross-linked Asymmetric Membrane and Control of Its Morphology and Mechanical Property

  • Hong, Byung-Pyo (Department Chemical System Engineering, Keimyung University) ;
  • Ko, Moon-Young (Department Chemical System Engineering, Keimyung University) ;
  • Kwon, Byeong-Min (Department Chemical System Engineering, Keimyung University) ;
  • Byun, Hong-Sik (Department Chemical System Engineering, Keimyung University)
  • Published : 2008.12.31
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Abstract

Polystyrene-co-divinylbenzene (PS-co-DVB) asymmetric membranes were prepared. In order to control their structure and mechanical properties the degree of cross-linking and the composition of casting solution were varied. The rubber added PS-DVB membranes was also prepared to overcome the mechanical limitation of cross-linked membrane, and their mechanical properties were investigated. It was revealed that the concentration of polymer in the casting solution affected the determination of skin formation. When the PS-co-DVB membrane consists of styrene-butadiene (SB) rubber or liquid polybutadiene (PBD), the structures formed showed that the PS content in the PS/DVB system played an important role in determining the porous sublayer structure.

Keywords

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