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首页> 外文期刊>Journal of Applied Polymer Science >Preparation of Bipolar Membranes. II
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Preparation of Bipolar Membranes. II

机译：制备双极性膜。 II

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摘要

The bipolar multilayer membrane was prepared by a new technique. The interfacial layer and cation layer were formed by only one step. The anion and cation layers were made from the same material from which chloromethylated polysulfone was used as a basic material. The bipolar membranes were composed of a solvent-resistant anion layer with crosslinking matrix by the reaction of chloromethylated polysulfone inDMF with diamine; an ultrathin interfacial layer from chloromethylated polysulfone solution in DMF, containing cation-exchange resin and both quaternary and nonquaternary amine groups; and a cation layer from chloromethylated polysulfone dispersing cation resin powder. The prepared bipolar membrane exhibits a lower voltage drop over 100 mA/cm~2 and stable performances at a long-term operation.
机译：通过新技术制备了双极多层膜。界面层和阳离子层仅一步形成。阴离子和阳离子层由相同的材料制成，氯甲基化的聚砜被用作基础材料。双极性膜是由DMF中的氯甲基化聚砜与二胺反应形成的，具有耐溶剂性的阴离子层和交联基质。由DMF中的氯甲基化聚砜溶液制成的超薄界面层，其中包含阳离子交换树脂以及季胺基和非季胺基。阳离子层由氯甲基化聚砜分散阳离子树脂粉末制成。制备的双极膜在100 mA / cm〜2的电压下具有较低的压降，并且在长期运行下性能稳定。

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