EPOXY RESIN COMPOSITION, CURABLE RESIN COMPOSITION, CURED PRODUCT, FIBER-REINFORCED COMPOSITE MATERIAL, FIBER-REINFORCED RESIN MOLDED ARTICLE, AND METHOD FOR MANUFACTURING FIBER-REINFORCED RESIN MOLDED ARTICLE

• Main Authors: KIMURA MASAMITSU, SUGIMOTO NANA, MORINAGA KUNIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 09.01.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

To provide an epoxy resin composition that has low viscosity and good impregnating ability into a fiber and has excellent mechanical characteristics and heat resistance in the resulting cured product, to provide a curable resin composition containing the epoxy resin composition, to provide a cured product, to provide a fiber-reinforced composite material, to provide a fiber-reinforced resin molded article and to provide a method for manufacturing a fiber-reinforced resin molded article.SOLUTION: The epoxy resin composition containing (A) an epoxy resin being a reaction product of catechol which may have a methyl group as a substituent on an aromatic ring or pyrogallol which may have a methyl group as a substituent on an aromatic ring with epihalohydrin and (B) a bisphenol type epoxy resin is used.SELECTED DRAWING: Figure 1 【課題】低粘度で繊維への良好な含浸性を有し、得られる硬化物において優れた機械特性及び耐熱性を有するエポキシ樹脂組成物、これを含有する硬化性樹脂組成物、硬化物、繊維強化複合材料、繊維強化樹脂成形品、及び繊維強化樹脂成形品の製造方法を提供する。【解決手段】芳香環上の置換基としてメチル基を有していてもよいカテコール、または芳香環上の置換基としてメチル基を有していてもよいピロガロールと、エピハロヒドリンとの反応物であるエポキシ樹脂（Ａ）と、ビスフェノール型エポキシ樹脂（Ｂ）とを含有することを特徴とするエポキシ樹脂組成物を用いる。【選択図】図１