申请人:Toray Industries, Inc.
公开号:EP3702389A1
公开(公告)日:2020-09-02
The purpose of the present invention is to provide an epoxy resin composition which has excellent viscosity stability, and when cured, can provide a resin cured product which has high flame retardancy and excellent mechanical properties, and a prepreg and fiber-reinforced composite material using the epoxy resin composition. An embodiment of the epoxy resin composition according to the present invention which achieves the purpose contains all components [A]-[C]. [A]: A reactive diluent having a specific structure and a viscosity of 2 Pa·s or less at 25°C. [B]: An epoxy resin having three of more functional groups. [C]: An amine-based curing agent having a specific structure.
本发明的目的是提供一种环氧树脂组合物,该组合物具有优异的粘度稳定性,固化时可提供具有高阻燃性和优异机械性能的树脂固化产品,以及使用该环氧树脂组合物的预浸料和纤维增强复合材料。根据本发明,实现上述目的的环氧树脂组合物的一个实施方案包含所有组分[A]-[C]。[A]:具有特定结构的活性稀释剂,25°C 时粘度为 2 Pa-s 或更低。[B]:具有三个或三个以上官能团的环氧树脂。[C]:具有特定结构的胺基固化剂。