PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL

[Object] The invention provides fiber-reinforced composite materials having improved interlaminar fracture toughness and high heat resistance. [Solution] A prepreg includes a reinforcement fiber (A) and a resin composition (E), the resin composition (E) including 0.1 to 10 mass% of particles (D) inc...

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Hauptverfasser: TAN, Junji, FUJIHARA, Kazutoshi, SASAKI, Toyoaki, OKIMURA, Hironobu
Format: Patent
Sprache:eng ; fre ; ger
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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
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creator TAN, Junji
FUJIHARA, Kazutoshi
SASAKI, Toyoaki
OKIMURA, Hironobu
description [Object] The invention provides fiber-reinforced composite materials having improved interlaminar fracture toughness and high heat resistance. [Solution] A prepreg includes a reinforcement fiber (A) and a resin composition (E), the resin composition (E) including 0.1 to 10 mass% of particles (D) including an ultrahigh molecular weight olefin polymer or a crosslinked product thereof and satisfying requirements (i) to (ii) below, the resin composition (E) further including a thermosetting resin (B) and a curing agent (C) . (i) The intrinsic viscosity [·] of the ultrahigh molecular weight olefin polymer forming the particles, as measured in decalin solvent at 135°C, is 5 to 50 dl/g. (ii) The average particle size d50 is 3 to 200 µm.
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subjects 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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