Fiber-reinforced resin material molding, method for manufacturing fiber-reinforced resin material molding, and method for manufacturing fiber-reinforced resin material

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United States of America Patent

PATENT NO 11660783
APP PUB NO 20210078207A1
SERIAL NO

17108230

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Abstract

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Provided is a fiber-reinforced resin material molding in which fluctuations of the dispersion state of the fiber bundle in the molding is small, the generation of a resin pool is suppressed, and fluctuations in physical properties such as tensile strength and modulus of elasticity are suppressed; a method for manufacturing the same, and a method for manufacturing a fiber-reinforced resin material. Provided is a fiber-reinforced resin material molding comprising: a fiber bundle comprising a plurality of reinforcing fibers; and a matrix resin, wherein a coefficient of variation in fiber content of the reinforcing fibers per unit zone of 0.1 mm square on a cut face along a thickness direction is 40% or less.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI CHEMICAL CORPORATION1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008251 ?1008251

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanehagi, Junji Tokyo, JP 16 20
Kobayashi, Takayuki Tokyo, JP 235 2198
Mizutori, Yukihiro Tokyo, JP 24 35
Samejima, Tadao Tokyo, JP 28 61
Watanabe, Yasushi Tokyo, JP 204 2847

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