EPOXY RESIN COMPOSITION, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL

摘要

[Problem] To provide: a fiber-reinforced composite material having both Mode I interlaminar fracture toughness and compressive strength under wet heat conditions; an epoxy resin composition for producing the fiber-reinforced composite material; and a prepreg produced using the epoxy resin composition. [Solution] An epoxy resin composition comprising at least the following constituents [A], [B] and [C]: [A] an epoxy resin; [B] composite polyamide microparticles which satisfy such a requirement (b1) the materials constituting the particles are a polyamide (B1) and a thermoplastic elastomer resin (B2), such a requirement (b2) that the melting point or the glass transition temperature of the polyamide (B1) is higher than 100° C. and such a requirement (b3) the number average particle diameter is 0.1 to 100 μm; and [C] a curing agent.

主权项

1. An epoxy resin composition comprising at least the following constituents [A], [B] and [C]:
[A] epoxy resin; [B] composite polyamide fine particles satisfying the following requirements (b1) to (b3): (b1) the materials that form the particles are polyamide (B1) and thermoplastic elastomer resin (B2); (b2) the melting point or glass transition temperature of polyamide (B1) is higher than 100° C.; and (b3) the average particle diameter is 0.1 to 100 μm, and [C] curing agent.