Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Fabrication of Organic Solvent Resistant Polyketone Hollow Fiber Membranes

유기용매 저항성 Polyketone 중공사 분리막의 제조

  • Park, Yeji (MEMBRARE Co., Ltd.) ;
  • Jang, Wongi (Department of Chemical Engineering, Keimyung University) ;
  • Choi, Jinwon (Department of Chemical Engineering, Keimyung University) ;
  • Woo, Yunha (MEMBRARE Co., Ltd.) ;
  • Hou, Jian (Department of Chemical Engineering, Keimyung University) ;
  • Jeon, Sungil (MEMBRARE Co., Ltd.) ;
  • Byun, Hongsik (Department of Chemical Engineering, Keimyung University)
  • Received : 2021.10.27
  • Accepted : 2021.10.27
  • Published : 2021.10.31
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Abstract

Organic solvent resistant hollow fiber membranes were fabricated via a thermally induced phase separation (TIPS) method using Polyketone polymer, a material with excellent resistance to organic solvents. The PEG300, DMSO2 and Glycerine called the "green solvents" were used as diluents for TIPS method. The spherulite structure was formed with DMSO2 by S-L phase separation behavior whereas the bicontinuous structures were formed with PEG300 and Glycerine, respectively. The morphology of the PK hollow fiber membranes was investigated using SEM. The pure water permeability and the durability test were conducted to understand the permeation properties of PK hollow fiber membranes. The tensile strength test was conducted for the property of mechanical strength. In this study, the fabrication of PK hollow fiber membranes with various diluents was discussed to understand the correlation between diluent and polymer in detail.

본 연구에서는 유기용매에 저항성이 뛰어난 소재인 polyketone 고분자를 사용하여 열유도 상분리법(TIPS)으로 유기용매 저항성 중공사 분리막을 제조하였다. 희석제는 green solvent로 알려진 PEG300, DMSO2, glycerine을 사용하였으며, 이때 사용된 diluent에 따라 나타나는 구정형 구조를 가지는 고-액 상분리와 bicontinuous한 구조를 가지는 액-액 상분리를 관찰하였다. 전반적인 분리막의 특성은 SEM, 수투과도, 기계적 강도, 내화학실험을 사용하여 고찰하였으며, 본 연구에서는 다양한 희석제가 적용된 polyketone 중공사 분리막의 제조와 그 상호관계에 대해 심도 있게 연구하였다.

Keywords

References

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