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Carbon nanofibers, method of producing carbon nanofibers, carbon fiber composite material using carbon nanofibers, and method of producing the carbon fiber composite material
Carbon nanofibers, method of producing carbon nanofibers, carbon fiber composite material using carbon nanofibers, and method of producing the carbon fiber composite material
A method of producing carbon nanofibers includes grinding untreated carbon nanofibers produced by a vapor growth method. The untreated carbon nanofibers are ground so that the ground carbon nanofibers have a tap density 1.5 to 10 times higher than that of the untreated carbon nanofibers. A method of producing a carbon fiber composite material includes mixing carbon nanofibers into an elastomer, and uniformly dispersing the carbon nanofibers in the elastomer by applying a shear force to obtain a carbon fiber composite material.
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