PRODUCTION OF PRECURSOR PITCH FOR CARBON FIBER

PURPOSE:To produce a precursor high for carbon fiber, having low viscosity and suitable for melt-spinning, by using a specific hydrogenation solvent and an assistant solvent in the hydrogenation treatment of coal tar pitch. CONSTITUTION:A hydrogenated pitch is produced by carrying out the hydrogena...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KAMISHITA MAMORU, MIYOSHI FUMIHIRO, OOSUGI YUKIHIRO
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 CHEMISTRY FUELS LUBRICANTS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES PEAT PETROLEUM, GAS OR COKE INDUSTRIES PYROLIGNEOUS ACID SPINNING TECHNICAL GASES CONTAINING CARBON MONOXIDE TEXTILES WORKING-UP PITCH, ASPHALT, BITUMEN, TAR
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