Sizing agent for carbon fibers, aqueous dispersion of sizing agent for carbon fibers, and sizing agent-adhered carbon fiber bundle

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United States of America Patent

PATENT NO 11787913
APP PUB NO 20190249358A1
SERIAL NO

16392190

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Abstract

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A sizing agent for carbon fiber includes component (A), component (B), and component (C), in which the component (A) is at least one selected from the group consisting of component (A-1), component (A-2), and component (A-3); the component (A-1) is a urethane compound having a structure of Formula (1-1) in the molecule, the component (A-2) is an ester compound having a structure represented by Formula (1-2) in the molecule, the component (A-3) is an amide compound having a structure of Formula (1-3) in the molecule; the component (B) is an epoxy compound selected from the group consisting of an epoxy compound represented by Formula (2), an epoxy compound represented by Formula (3), and an epoxy compound represented by Formula (4); and the component (C) is a bisphenol type epoxy compound.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI CHEMICAL CORPORATIONTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Akihiro Tokyo, JP 139 1028
Kaneta, Kenji Tokyo, JP 7 30
Sugiura, Naoki Tokyo, JP 31 163
Suzuki, Takaaki Tokyo, JP 179 2002
Wakabayashi, Kouki Tokyo, JP 15 83

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