SIZING AGENT-COATED CARBON FIBER
PROBLEM TO BE SOLVED: To provide a sizing agent-coated carbon fiber for producing a carbon fiber composite material which exhibits excellent tensile modulus of elasticity and tensile strength of a perforated plate, and to provide a method for producing the same.SOLUTION: In a carbon fiber, when a si...
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| creator | WATANABE JUN TANAKA FUMIHIKO OKUDA HARUMI |
| description | PROBLEM TO BE SOLVED: To provide a sizing agent-coated carbon fiber for producing a carbon fiber composite material which exhibits excellent tensile modulus of elasticity and tensile strength of a perforated plate, and to provide a method for producing the same.SOLUTION: In a carbon fiber, when a single fiber apparent stress is 15.3 GPa in a fragmentation method of a single fiber composite of the carbon fiber, the number of fiber breaks is 2.0 pieces/mm or more, and when the single fiber apparent stress is 12.2 GPa, the number of fiber breaks is 1.3 pieces/mm or less. Preferably, a sizing agent-coated carbon fiber is obtained by applying a sizing agent containing an epoxy compound to the carbon fiber. In the sizing agent-coated carbon fiber, when a single fiber diameter of the carbon fiber is 4.5 μm or less, and a single fiber apparent stress is 10.0 GPa, the number of fiber breaks is 0.8 pieces/mm or less, and an average tearable distance is 300-710 mm, and the sizing agent-coated carbon fiber is substantially twistless. |
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Preferably, a sizing agent-coated carbon fiber is obtained by applying a sizing agent containing an epoxy compound to the carbon fiber. 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Preferably, a sizing agent-coated carbon fiber is obtained by applying a sizing agent containing an epoxy compound to the carbon fiber. In the sizing agent-coated carbon fiber, when a single fiber diameter of the carbon fiber is 4.5 μm or less, and a single fiber apparent stress is 10.0 GPa, the number of fiber breaks is 0.8 pieces/mm or less, and an average tearable distance is 300-710 mm, and the sizing agent-coated carbon fiber is substantially twistless.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS |
| title | SIZING AGENT-COATED CARBON FIBER |
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