機能性膜材料
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概要
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The functions required for membranes in separation processes were elucidated from the industrial point of view and then the application of the membranes composed of various functional materials was briefly summerized. For industrial uses the stability of the membranes under actually used conditions is very important as well. Compared with hydrocarbon type membranes, fluorocarbon type membranes developed recently are so stable that they meet the severe requirement for industrial uses. The synthesis, properties and applications of perfluorinated cationexchange membranes were reveiwed. In recent application, this type membrane has been widely used in the brine electrolysis where it is exposed to chlorine and strong caustic at high temperatures. A perfluorinated anion-exchange membrane whose development was more recently announced was touched upon in a few words.
- 日本膜学会の論文