| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide: a polyether sulfone-based polyelectrolyte excellent in durability with high ion conductivity maintained, especially, excellent in swelling resistance, and of low cost; an electrolyte film; and a method of manufacturing the same. <P>SOLUTION: A polyether sulfone unit with high ion conductivity and easy swelling, is made to contain both a structure unit with high hydrophobic property and sterically-high level and a structure with high hydrophobic property and high flexibility, wherein its copolymerization ratio is restricted, so that, swelling against water, methanol or the like can be restrained at a low level while retaining high ion conductivity. <P>COPYRIGHT: (C)2010,JPO&INPIT |
