화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2014년 봄 (04/10 ~ 04/11, 대전 컨벤션센터)
권호 39권 1호
발표분야 고분자구조 및 물성
제목 Preparation and Characterization of Quaternary Ammonium   Polyphenylene Anionic Membrane Containing Benzophenone Moiety for Fuel Cell Application
초록 The anion exchange polyphenylene membrane was synthesized by first introducing chloromethyl groups followed by successive quaternization with trimethylamine and ion exchange. The quaternary ammonium hydroxide Parmax 1200 membrane has all carbon-carbon bonds without ether linkages, which would be chemically strong. The polyphenylene structure of Parmax provides a stiff and resistant backbone, whereas the pendant benzoyl group provides sites for chemical modifications. The resulting ionomer membrane showed ion exchange capacity (IEC) of 2.36 mmol g−1 with maximum chloromethylation yield. The structural properties of the synthesized polymer membrane were investigated by 1H NMR spectroscopy and FT-IR. The membrane was studied by ion exchange capacity (IEC), water uptake, and also ion conductivity assessment. It exhibited hydroxide conductivity above 10−2 S cm−1 at room temperature and good chemical stability for up to 7 days without significant losses of ionic conductivity.
저자 Hossain, 이순호, 장호현, 조영길, 전영태, 주현호, 김환기
소속 건국대
키워드 Polyphenylene membrane; Ion exchange capacity; Conductivity; Chemical stability
E-Mail