Two-component type epoxy resin composition for fiber-reinforced composite material, and fiber-reinforced composite material
A two-component type epoxy resin composition for a fiber reinforced composite material is a two-component type epoxy resin composition for a fiber reinforced composite material that includes the following components [A] to [C], wherein the content of the component [C] is 6 to 25 mass parts relative to 100 mass parts of the component [A]. The fiber reinforced composite material is a fiber reinforced composite material made by combining and curing the two-component type epoxy resin composition for the fiber reinforced composite material and a reinforcing fiber, [A]: an epoxy resin, [B]: an acid anhydride and [C]: a quaternary ammonium salt or a quaternary phosphonium halide or an imidazolium salt.
1. A two-component type epoxy resin composition for a fiber reinforced composite material, consisting of components [A] to [C], and optionally [D], wherein
component [A]: an epoxy resin
component [B]: an acid anhydride
component [C]: a quaternary ammonium salt or a quaternary phosphonium halide or an imidazolium salt,
component [D]: reinforcing fibers, and
a content of the component [C] is more than 10 and less than or equal to 25 mass parts relative to 100 mass parts of the component [A] when the component [C] is the quaternary ammonium salt or the quaternary phosphonium halide, and is 18 to 25 mass parts relative to 10 mass parts of the component [A] when the component [C] is the imidazolium salt.
2. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [C] is the quaternary ammonium halide.
3. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [C] is quaternary phosphonium bromide.
4. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [C] is a tetraphenylphosphonium halide.
5. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [C] is an imidazolium halide.
6. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [D] is a carbon fiber.
7. The two-component type epoxy resin composition for the fiber reinforced composite material according to claim 1 , wherein the component [B] has an alicyclic structure.
8. A two-component type epoxy resin composition for a fiber reinforced composite material, consisting of components [A] to [C], and optionally [D], wherein
a content of the component [C] is more than 10 to 25 mass parts relative to 100 mass parts of the component [A]
component [A]: an epoxy resin
component [B]: an acid anhydride
component [C]: a quaternary ammonium halide or a quaternary phosphonium bromide or a tetraphenylphosphonium halide or an imidazolium halide, and
component [D]: reinforcing fibers.