멤브레인 (Membrane Journal)

  • 제14권4호
  • /
  • Pages.320-328
  • /
  • 2004
  • /
  • 1226-0088(pISSN)
  • /
  • 2288-7253(eISSN)
한국막학회 (The Membrane Society of Korea)
권호 표지

Gas Barrier성 Ionomer-Clay 하이브리드 막의 제조 및 물성

Preparation and Properties of Ionomer-Clay Hybrid Gas Barrier Membranes

  • 남상용 (경상대학교 공과대학 고분자공학과, 공학연구원) ;
  • 구형서 (충남대학교 공과대학 화학공학과) ;
  • 김인호 (충남대학교 공과대학 화학공학과) ;
  • 김영진 (경상대학교 공과대학 고분자공학과, 공학연구원) ;
  • 주대성 (경상대학교 공과대학 고분자공학과, 공학연구원) ;
  • 박지순 (경상대학교 공과대학 고분자공학과, 공학연구원) ;
  • 김진학 (경상대학교 공과대학 고분자공학과, 공학연구원)
  • 발행 : 2004.12.01
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초록

본 연구에서는 ionomer와 여러 가지의 유기화물로 처리된 MMT type의 clay를 이용하여 ionomer-clay 하이브리드 막을 용융삽입법으로 제조하였다. Twin extruder를 사용하여 clay를 ionomer에 분산시켰으며, 제조된 ionomer-clay 하이브리드에서 clay의 특성피크가 완전히 박리되거나 이동하는 XRD 결과로부터 clay의 층간거리가 넓어지는 고분자의 clay 층간삽입을 확인하였다. Clay의 종류에 따라서 제조된 ionomer-clay 하이브리드 막의 가스투과도, 기계적 물성 및 열적 성질을 측정하였다. ionomer-clay 하이브리드 막은 clay 자체의 도입과 층간거리의 확대로 기체분자의 tortuosity를 증가시켜서 가스투과도를 저하시키는 것을 확인하였다.

Ionomer-Clay hybrid membranes were prepared by melt intercalation method with twin extruder. MMT was intercalated or exfoliated by the ionomer and it was confirmed by X-ray diffraction method. D-spacing of the characteristic peak from MMT plate in WAXD was moved and diminished. Gas permeability, mechanical properties and thermal properties of the ionomer-clay hybrid membranes were investigated. Gas permeability through the ionomer-clay hybrid membranes decreased due to increased tortuosity made by intercalation of clay in Ionomer.

키워드

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