음이온교환막용 헤테로고리형 4차 암모늄 작용기를 갖는 폴리(아릴렌 이써)의 제조 및 특성 분석 = Preparation and Characterization of Poly(Arylene Ether) Having Heterocyclic Quaternary Ammonium Functional Groups for Anion Exchange Membranes

다국어 초록 (Multilingual Abstract)

In this study, anion exchange membranes were prepared by synthesizing the main chain into a poly(arylene ether) (PAE) structure, and the structures capable of improving the physical and chemical stability of the membrane by introducing a heterocyclic quaternary ammonium functional groups were studied. The chemical structure and thermal properties of the prepared polymer were confirmed by 1H-NMR, FT-IR, TGA, and DSC, and surface analysis was performed through AFM measurement. Additionally, dimensional stability and chemical properties was studied by measuring water uptake and swelling ratio, IEC and ionic conductivity. At 90℃, the quaternized poly(arylene ether) (QPAE)/1-methylpiperidine (MP) membrane exhibited the highest ionic conductivity of 27.2 mS cm-1, while the QPAE/1-methylimidazole (MI) membrane and QPAE/1-methylmorpholine (MM) membrane exhibited values of 14.5 mS cm-1 and 11.5 mS cm-1, respectively. In addition, the prepared anion exchange membrane exhibited high chemical stability in alkaline solution.

참고문헌 (Reference)

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