PRODUCTION OF PITCH BASED CARBON FIBER

PURPOSE:To obtain carbon fibers having a radial structure without cracks, by melt spinning anisotropic pitch through a spinneret satisfying specific conditions and infusibilizing and carbonizing the resultant fibers. CONSTITUTION:Anisotropic pitch containing >=60% optical anisotropic phase is mel...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMORI SHUICHI, SAKUNAGA KENICHI, SAIKI SUMITO, KOBAYASHI TOA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain carbon fibers having a radial structure without cracks, by melt spinning anisotropic pitch through a spinneret satisfying specific conditions and infusibilizing and carbonizing the resultant fibers. CONSTITUTION:Anisotropic pitch containing >=60% optical anisotropic phase is melt spun through a spinneret satisfying conditions of the formulas 0.1