PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL
An object of the present invention is to provide a prepreg excellent in tackiness, resin strength after curing and non-fiber-direction strength, and a fiber-reinforced composite material using the prepreg. The present invention provides a prepreg comprising a reinforcing fiber and a resin compositio...
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Format | Patent |
Language | English French Japanese |
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26.09.2019
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Abstract | An object of the present invention is to provide a prepreg excellent in tackiness, resin strength after curing and non-fiber-direction strength, and a fiber-reinforced composite material using the prepreg. The present invention provides a prepreg comprising a reinforcing fiber and a resin composition, wherein the resin composition includes the following components [A] to [C], and the viscosity of the resin composition at 25°C is 1000 Pa·s or more. [A]: an epoxy resin, [B]: dicyandiamide, and [C]: a compound having a melting point of 130°C or lower and a difference in solubility parameter with [B] of 8 or less.
Un objet de la présente invention concerne un préimprégné excellent en termes d'adhésivité, de résistance de la résine après durcissement et de résistance hors sens de la fibre, et un matériau composite renforcé de fibres utilisant le préimprégné. La présente invention fournit un préimprégné comprenant une fibre de renfort et une composition de résine, la composition de résine comprenant les constituants suivants [A] à [C], et la viscosité de la composition de résine à 25 °C étant de 1 000 Pa*s ou plus. [A] : résine époxy, [B] : dicyandiamide, et [C] : un composé ayant un point de fusion de 130 °C ou moins et une différence dans le paramètre de solubilité avec [B] de 8 ou moins.
本発明は、タック性と、硬化後の樹脂強度および非繊維方向強度に優れたプリプレグならびに該プリプレグを用いた繊維強化複合材料を提供することを課題とする。 本発明は強化繊維と樹脂組成物からなるプリプレグであって、該樹脂組成物が下記構成要素[A]~[C]を含み、該樹脂組成物の25℃での粘度が1000Pa・s以上であるプリプレグである。 [A]:エポキシ樹脂 [B]:ジシアンジアミド [C]:融点が130℃以下であり、[B]の溶解度パラメータとの差が8以内である溶解度パラメータを有する化合物 |
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AbstractList | An object of the present invention is to provide a prepreg excellent in tackiness, resin strength after curing and non-fiber-direction strength, and a fiber-reinforced composite material using the prepreg. The present invention provides a prepreg comprising a reinforcing fiber and a resin composition, wherein the resin composition includes the following components [A] to [C], and the viscosity of the resin composition at 25°C is 1000 Pa·s or more. [A]: an epoxy resin, [B]: dicyandiamide, and [C]: a compound having a melting point of 130°C or lower and a difference in solubility parameter with [B] of 8 or less.
Un objet de la présente invention concerne un préimprégné excellent en termes d'adhésivité, de résistance de la résine après durcissement et de résistance hors sens de la fibre, et un matériau composite renforcé de fibres utilisant le préimprégné. La présente invention fournit un préimprégné comprenant une fibre de renfort et une composition de résine, la composition de résine comprenant les constituants suivants [A] à [C], et la viscosité de la composition de résine à 25 °C étant de 1 000 Pa*s ou plus. [A] : résine époxy, [B] : dicyandiamide, et [C] : un composé ayant un point de fusion de 130 °C ou moins et une différence dans le paramètre de solubilité avec [B] de 8 ou moins.
本発明は、タック性と、硬化後の樹脂強度および非繊維方向強度に優れたプリプレグならびに該プリプレグを用いた繊維強化複合材料を提供することを課題とする。 本発明は強化繊維と樹脂組成物からなるプリプレグであって、該樹脂組成物が下記構成要素[A]~[C]を含み、該樹脂組成物の25℃での粘度が1000Pa・s以上であるプリプレグである。 [A]:エポキシ樹脂 [B]:ジシアンジアミド [C]:融点が130℃以下であり、[B]の溶解度パラメータとの差が8以内である溶解度パラメータを有する化合物 |
Author | FURUKAWA, Koji SANO, Kentaro YOSHIZAKI, Soichi KAWASAKI, Junko KAMAE, Toshiya |
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DocumentTitleAlternate | プリプレグおよび繊維強化複合材料 PRÉIMPRÉGNÉ ET MATÉRIAU COMPOSITE RENFORCÉ DE FIBRES |
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RelatedCompanies | TORAY INDUSTRIES, INC |
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Snippet | An object of the present invention is to provide a prepreg excellent in tackiness, resin strength after curing and non-fiber-direction strength, and a... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP |
Title | PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL |
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