EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL |
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| 申请号 | EP08752582 | 申请日 | 2008-05-12 | 公开(公告)号 | EP2154171A4 | 公开(公告)日 | 2012-01-25 |
| 申请人 | TORAY INDUSTRIES; | 发明人 | TOMIOKA NOBUYUKI; SAKATA HIROAKI; HONDA SHIRO; FUJIWARA TAKAYUKI; | ||||
| 摘要 | It is an object of the present invention to improve drawbacks in conventional technology and provide a fiber-reinforced composite material having both an excellent static strength property and impact resistance, and an epoxy resin composition for obtaining the fiber-reinforced composite material. More particularly, it is the object of the present invention to provide the epoxy resin composition that gives a cured material having a high elastic modulus, a high heat resistance, a high plastic deformation capacity and a high toughness. The epoxy resin composition containing following [A] to [D], a prepreg obtained by impregnating a fiber substrate with the epoxy resin composition, a fiber-reinforced composite material obtained by curing the prepreg and a tubular body thereof. [A] 10 to 60 parts by weight of an amine type epoxy resin, [B] 40 to 90 parts by weight of a bisphenol-type epoxy resin, [C] 1 to 10 parts by weight of dicyandiamide or a derivative thereof, and [D] 1 to 10 parts by weight of at least one block copolymer selected from the group consisting of S-B-M, B-M and M-B-M. | ||||||
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