EPOXY RESIN COMPOSITION, AND FILM, PREPREG, AND FIBER-REINFORCED PLASTIC USING SAME

摘要

Provided are the following: an epoxy resin composition that comprises an epoxy resin and a curing agent, and satisfies formulae (1), (2), and (3); and a film, prepreg, and fiber-reinforced plastic manufactured using this epoxy resin composition. (1) The bending elastic modulus of a cured product of the epoxy resin composition is 3.3 GPa or higher. (2) The bending strain at break of the cured product of the epoxy resin composition is 9% or higher. (3) The fiber-reinforced plastic is formed of the cured product of the epoxy resin composition and a reinforcing fiber substrate in which carbon fibers, which are continuous fibers, are aligned in one direction, and the 90° flexural strength of the fiber-reinforced plastic is 95 MPa or higher.