| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polymer electrolyte membrane having excellent mechanical properties. <P>SOLUTION: (1) The polymer electrolyte membrane has an elastic modulus of 400-900 MPa at 23°C and a relative humidity of 50%, wherein all of its polymers as a constituent have an aromatic ring in its main chain, at least one type has an aliphatic chain in its main chain, and at least one type is a polymer electrolyte. (2) The polymer electrolyte membrane (1) has an ion-exchange capacity of 0.2-4 meq/g. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
