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    • 6. 发明专利
    • Proton-conducting polymer membrane comprising sulfonic acid group-containing polyazole, and use thereof in fuel cell
    • 包含含硫酸基团的聚酰胺的导电聚合物膜及其在燃料电池中的应用
    • JP2011080075A
    • 2011-04-21
    • JP2010259249
    • 2010-11-19
    • Basf Fuel Cell Gmbhベーアーエスエフ フューエル セル ゲーエムベーハー
    • UENSAL OEMERKIEFER JOACHIMCALUNDANN GORDONSANSONE MICHAELBENICEWICZ BRIANCHOE EUI WON
    • C08J5/22B01D71/62B01D71/82C08G73/18H01M8/02H01M8/10
    • C08J5/2256B01D71/62B01D71/82C08G73/18H01M8/103H01M8/1067H01M8/1072Y02P70/56
    • PROBLEM TO BE SOLVED: To provide novel polymer electrolyte membranes. SOLUTION: Proton-conducting polymer membranes comprise sulfonic acid group-containing polyazoles and can be obtained by a method comprising the following steps of (A)-(D): (A) one or more aromatic and/or heteroaromatic tetra-amino compound/s is/are mixed with one or several aromatic and/or heteroaromatic carboxylic acid/s or the derivatives thereof, which contain at least two acid groups per carboxylic acid monomer, at least a part of the tetra-amino compounds and/or the carboxylic acids comprising at least one sulfonic acid group, or one or more aromatic and/or heteroaromatic diaminocarboxylic acid/s, at least a part of which contain sulfonic acid groups, is/are mixed in polyphosphoric acid so as to form a solution and/or dispersion; (B) the solution and/or dispersion obtained in step (A) is/are heated to temperatures of up to 350°C under inert gas so as to form polyazole polymers having benzimidazole units; (C) a layer is applied to a support using the mixture according to step (A) and/or (B); and (D) the membrane formed in step (C) is treated in the presence of moisture or water and/or water vapor at a temperature within a range of 0-150°C until the membrane is made self-supporting. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供新颖的聚合物电解质膜。 导电聚合物膜包含含磺酸基的多唑类,并且可以通过包括以下步骤(A) - (D)的方法获得:(A)一种或多种芳族和/或杂芳族四 - 氨基化合物与一种或几种芳族和/或杂芳族羧酸或其衍生物混合,其每个羧酸单体含有至少两个酸基,至少一部分四氨基化合物和/ 或包含至少一个磺酸基团的羧酸或其至少一部分含有磺酸基团的一种或多种芳族和/或杂芳族二氨基羧酸在多磷酸中混合以形成溶液 和/或分散体; (B)将步骤(A)中得到的溶液和/或分散体在惰性气体下加热至高达350℃,形成具有苯并咪唑单元的聚唑聚合物; (C)使用根据步骤(A)和/或(B)的混合物将层施加到载体上; 和(D)步骤(C)中形成的膜在0〜150℃的温度范围内,在水分或水和/或水蒸汽的存在下进行处理,直到膜自支撑为止。 版权所有(C)2011,JPO&INPIT