Crosslinkable aromatic resin having protonicacid group, and ion conductive polymer membrane, binder and fuel cell using the resin.
含质子酸基交联性芳香族树脂及使用该树脂的离子传导性高分子膜，粘合剂，以及燃料电池。
3
It is discovered that isomerization of 2,10-epoxypinane produce mainly perillyl alcohol in 353 ~ 363 K catalyzed by acid catalysts in strongly polar protonic solvent.