| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new polymer material excellent in heat resistance, processability and ion conductivity, and giving an ion-conductive membrane exhibiting particularly good characteristic in dimensional stability. <P>SOLUTION: The objective material as a polyarylene ether compound introduced with a sulfo group which is useful as a polymer electrolyte membrane is obtained by synthesizing a polymer using sulfo group-containing 4,4'-biphenol as at least one component of monomers. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
