CURABLE COMPOSITION, CURED PRODUCT, FIBER-REINFORCED COMPOSITE MATERIAL, AND MOLDED ARTICLE

The present invention provides a curable composition containing a urethane-modified epoxy resin (A) as an essential component of a main agent and an acid anhydride (B) as an essential component of a curing agent, the urethane-modified epoxy resin (A) being a reaction product obtained by using a poly...

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Bibliographische Detailangaben
Hauptverfasser:	Kobayashi, Atsuko, Kimura, Makoto, Matsui, Shigeki
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON 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 WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a curable composition containing a urethane-modified epoxy resin (A) as an essential component of a main agent and an acid anhydride (B) as an essential component of a curing agent, the urethane-modified epoxy resin (A) being a reaction product obtained by using a polyisocyanate compound (a1), a polyether polyol (a2), and a hydroxy group-containing epoxy resin (a3) as essential reaction materials; a cured product thereof; a fiber-reinforced composite material; a fiber-reinforced resin molded article; and a method for producing a fiber-reinforced resin molded article. The curable composition can form a cured product having excellent fracture toughness and tensile strength in the cured product.