| abstract |
(57) [Problem] To provide a prepreg for reinforcing rubber material which can be suitably used for rubber materials such as tires, and a fiber-reinforced rubber material reinforced by the prepreg and having excellent fatigue resistance. A prepreg for reinforcing rubber material is obtained by impregnating a reinforcing fiber bundle with a resin composition containing a compound having an unsaturated bond and an epoxy group in a molecule. |