Proceedings of the Membrane Society of Korea Conference (한국막학회:학술대회논문집)

The Membrane Society of Korea (한국막학회)
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Membrane Formation of Polyacrylonitrile and Its Copolymer

  • Ha, Seong-Yong (Department of Industrial Chemistry, College of Engineering, Hanyang University) ;
  • Park, Ho-Bum (Department of Industrial Chemistry, College of Engineering, Hanyang University) ;
  • Nam, Sang-Yong (Department of Industrial Chemistry, College of Engineering, Hanyang University) ;
  • Lee, Young-Moo (Department of Industrial Chemistry, College of Engineering, Hanyang University)
  • Published : 1997.04.01
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Abstract

The phase inversion is a significant phenomena in the preparation of membranes and wet spinning. In both these processes, a viscous dope solution is precipitated in a nonsolvent bath and a porous structure is formed under certain conditions. Such structure could have been considered as a diffusion controlled process. The membrane formation of the polymer solution includes both phase separation and gelation. We have studied the influence of variables on the final structure and tried to control the porosity and ultrafiltration(UF) performance of the polyacrylonitrile(PAN) and its copolymer.

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