멤브레인 (Membrane Journal)

  • 제25권6호
  • /
  • Pages.488-495
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  • 2015
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  • 1226-0088(pISSN)
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  • 2288-7253(eISSN)
한국막학회 (The Membrane Society of Korea)
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아민화된 폴리페닐렌 옥사이드막에 의한 기체 투과 특성에 관한 연구

Gas Permeation Properties of Aminated Polyphenylene Oxide Membranes

  • 신도형 (한남대학교 대덕밸리캠퍼스 화공신소재공학과) ;
  • 임지원 (한남대학교 대덕밸리캠퍼스 화공신소재공학과)
  • Shin, Do Hyoung (Department of Advanced Materials and Chemical Engineering, Hannam University) ;
  • Rhim, Ji Won (Department of Advanced Materials and Chemical Engineering, Hannam University)
  • 투고 : 2015.12.02
  • 심사 : 2015.12.14
  • 발행 : 2015.12.31
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⟨ 이전 논문 다음 논문 ⟩

초록

Trimethylamine과 chloromethyl ethyl ether를 사용하여 PPO를 기반으로 하는 APPO를 제조하여 특성평가를 진행하였다. 전기 물리적 특성을 알아보기 위해 8 wt%의 APPO chloroform 용액으로 APPO막을 제막하여 특성평가를 진행하였다. 접촉각은 $44.4^{\circ}$, 함수율은 37.9%의 결과값을 얻을 수 있었다. 전기적 특성인 이온교환용량과 이온전도도는 각각 2.3 meq/g, 0.027 S/cm로 측정되었다. 또 time-lag 장치를 이용하여 단일기체(질소, 산소, 메탄, 이산화탄소, 이산화황)에 대한 확산도 및 용해도를 알아보았다. 산성가스인 이산화탄소와 황산의 경우, 투과도는 각각 20.7, 511.5 barrer로 측정되었다. 선택도의 경우, 이산화탄소/메탄은 39.8, 이산화탄소/질소는 42.2, 이산화황/이산화탄소는 24.7로 측정되었다.

Aminated polyphenylene oxide (APPO) based on polyphenylene oxide (PPO) was synthesized using trimethylamine and chloromethyl ethyl ether. Then, the electro-physical properties of APPO membranes which were prepared from the 8 wt% APPO solution dissolved in chloroform were characterized. Contact angle was $44.4^{\circ}$, swelling degree was 37.9%. The typical electrical properties of ion exchange capacity and ion conductivity were 2.3 meq/g, 0.027 S/cm, respectively. And the single gas permeation experiments were performed by using the time-lag method for $N_2$, $O_2$, $CH_4$, $CO_2$, $SO_2$. For the acid gases of $CO_2$ and $SO_2$, their permeability were measured 20.7 and 511.5 barrers, respectively. In the case of selectivity, $CO_2/CH_4$, $CO_2/N_2$ and $SO_2/CO_2$ were measured 39.8, 42.2, 24.7, respectively.

키워드

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