EPOXY RESIN COMPOSITION, FIBER-REINFORCED COMPOSITE MATERIAL AND METHOD FOR PRODUCING THE SAME
申请人:Toray Industries, Inc.
公开号:EP2256163A1
公开(公告)日:2010-12-01
Disclosed herein are an epoxy resin composition for fiber-reinforced composite materials which has low viscosity, high Tg, high elastic modulus, and excellent fracture toughness and a fiber-reinforced composite material using such an epoxy resin composition which has excellent thermal properties, compressive strength, impact resistance, fatigue resistance, and open-hole tensile strength and which is suitable for producing structural parts of aircraft and the like. The epoxy resin composition comprises at least a given bifunctional epoxy resin as a component (A), a liquid aromatic diamine curing agent as a component (B), and core-shell polymer particles as a component (C), wherein the core-shell polymer particles as the component (C) contain epoxy groups in their shell and have a volume-average particle size of 50 to 300 nm.
本文公开了一种用于纤维增强复合材料的环氧树脂组合物,该组合物具有低粘度、高 Tg、高弹性模量和优异的断裂韧性;还公开了一种使用这种环氧树脂组合物的纤维增强复合材料,该材料具有优异的热性能、抗压强度、抗冲击性能、抗疲劳性能和开孔拉伸强度,适用于生产飞机等的结构部件。该环氧树脂组合物至少包括作为组分(A)的给定双官能环氧树脂、作为组分(B)的液态芳香族二胺固化剂和作为组分(C)的芯壳聚合物颗粒,其中作为组分(C)的芯壳聚合物颗粒在其外壳中含有环氧基团,其体积平均粒径为 50 至 300 纳米。