| 摘要 |
An adhesive seal member for a fuel cell of the present invention includes a cross-linked product of a rubber composition containing components (A) to (E): (A) at least one rubber component selected from ethylene-propylene rubber and ethylene-propylene-diene rubber, (B) an organic peroxide having a one-hour half-life temperature of 130°C or less, (C) a crosslinking aid, (D) at least one adhesive component selected from a resorcinol compound and a melamine compound, an aluminate coupling agent, and a silane coupling agent, and (E) a softener having a pour point of -40°C or less. If the ethylene-propylene rubber or the ethylene-propylene-diene rubber in (A) the rubber component has an ethylene content of 53% by mass or less, the rubber composition may be devoid of (E) the softener having a pour point of -40°C or less. |
