CURABLE RESIN COMPOSITION, FUEL CELL, AND SEALING METHOD

A curable resin composition that is compatible with application by screen printing while maintaining cured product properties of high strength and high elongation. A curable resin composition contains the following (A) to (C) components: (A) component: a polyisobutylene resin containing one or more (meth)acryloyl groups and a —[CHC(CH)]— unit; (B) component: a radical polymerization initiator; and (C) component: an antifoaming agent containing a silicone compound having none of a methoxysilyl group, an ethoxysilyl group, and a (meth)acryloyl group and not containing an organic solvent.