FINE CARBON FIBER WITH LINEARITY AND COMPOSITE MATERIAL USING THE SAME

PROBLEM TO BE SOLVED: To provide fine carbon fiber which exhibits excellent dispersibility when mixed with a matrix, can be readily oriented by means of an external force, and to provide a composite using the fiber. SOLUTION: The linear fine carbon fiber is provided, wherein each fiber includes a ho...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO TATSUYUKI, BEITAKE KOICHIRO, TAKAHASHI TATSUHIRO, MORITA TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide fine carbon fiber which exhibits excellent dispersibility when mixed with a matrix, can be readily oriented by means of an external force, and to provide a composite using the fiber. SOLUTION: The linear fine carbon fiber is provided, wherein each fiber includes a hollow space, and has an outer diameter of 1 to 1,000 nm, an aspect ratio of 5 to 1,000, and a BET specific surface area of 2 to 2,000 m2/g, wherein the average interlayer distance d002of (002) faces by an X-ray diffraction method is 0.345 nm or less, and the ratio of the peak height (Id) of the band 1,341 to 1,349 cm-1in a Raman scattering spectrum to that of the peak height (Ig) of the band 1,570 to 1,578 cm-1(Id/Ig) is 0.1 to 2, and has a linearity of fiber with a bending angle of 30° or less with respect to the longitudinal direction of the fiber. The fine carbon fiber has an 1×10-4or more of the anisotropic magnetic susceptibility measured by the suspension method, and the composite material using the same is provided. COPYRIGHT: (C)2010,JPO&INPIT