申请人:Sumitomo Chemical Company, Limited
公开号:EP1873789A1
公开(公告)日:2008-01-02
There are provided a new crosslinked polymer electrolyte excellent in water resistance and solvent resistance, high in heat resistance, inexpensive and low in methanol permeability, and suitable for the proton conductive membrane of a fuel cell, by means of the crosslinked polymer electrolyte obtained by the following (1) or (2), and its production method.
(1) A compound having two or three or more reactive groups is reacted with a polymer electrolyte.
(2) A compound having two or three or more reactive groups is reacted with a polymer to obtain a crosslinked polymer and then an ion exchange group is introduced into the resultant polymer.
本发明提供了一种新型交联聚合物电解质,该电解质具有优异的耐水性和耐溶剂性,耐热性高,价格低廉,甲醇渗透性低,适用于燃料电池的质子传导膜,其交联聚合物电解质的制备方法如下(1)或(2)。
(1) 具有两个或三个或更多活性基团的化合物与聚合物电解质反应。
(2) 将具有两个或三个或更多活性基团的化合物与聚合物反应,得到交联聚合物,然后将离子交换基团引入生成的聚合物中。