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Sizing agent for carbon fiber, carbon fiber with improved interfacial adhesion, polymerization reaction type carbon fiber reinforced polymer composite material using the carbon fiber, and methods for producing the same
Sizing agent for carbon fiber, carbon fiber with improved interfacial adhesion, polymerization reaction type carbon fiber reinforced polymer composite material using the carbon fiber, and methods for producing the same
The present invention relates to a sizing agent for carbon fibers, a carbon fiber with improved interfacial adhesion, a polymerization reaction type carbon fiber-reinforced polymer composite material using the same, and a production method therefor and, more specifically, to a sizing agent for carbon fibers, comprising a phenoxy resin and a block isocyanate compound prepared through a reaction of ε-caprolactam with one of two isocyanate groups of a diisocyanate compound, and the production of a carbon fiber with improved interfacial adhesion using the same, a polymerization reaction type carbon fiber-reinforced polymer composite material using the carbon fiber with improved interfacial adhesion, and a production method therefor.
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