방사선그라프팅 음이온교환막의 기계적 물성에 대한4차 암모늄 음이온교환기의 영향
Influence of Quaternary Ammonium Anion Exchange Moieties onto Mechanical Properties of Radiation-grafting Anion Exchange Membranes
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Various anion exchange membranes were prepared by radiation graft copolymerizationof vinylbenzyl chloride onto fluorinated films and subsequent quaternization with various tertiaryamines such as trimethylamine, N,N-dimethylbuthylamine, N,N-dimethylaniline, and N-methylpiperidine. The quaternizations of the anion exchange membranes were confirmed by measuring ofthe ion exchange capacities of the membranes. The mechanical properties and the water uptakeswere also measured. The elongation at break was found to be largely dependent on the fluorinatedfilm, the quateranry ammonium, and the degree of grafting. The results indicate that the poly(ethylene-alt-tetrafluoroethylene) with quaternized trimethylamine moiety exhibits higher flexibleproperty compared to the other prepared anion exchange membranes.
Abstract
Various anion exchange membranes were prepared by radiation graft copolymerizationof vinylbenzyl chloride onto fluorinated films and subsequent quaternization with various tertiaryamines such as trimethylamine, N,N-dimethylbuthylamine, N,N-dimethylaniline, and N-methylpiperidine. The quaternizations of the anion exchange membranes were confirmed by measuring ofthe ion exchange capacities of the membranes. The mechanical properties and the water uptakeswere also measured. The elongation at break was found to be largely dependent on the fluorinatedfilm, the quateranry ammonium, and the degree of grafting. The results indicate that the poly(ethylene-alt-tetrafluoroethylene) with quaternized trimethylamine moiety exhibits higher flexibleproperty compared to the other prepared anion exchange membranes.
참고문헌 (9)
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