PRODUCTION OF PRECURSOR PITCH FOR CARBON FIBER

PURPOSE:Soft or medium coal tar pitch is treated under specific conditions to prepare a pitch free from free carbon and the product is heat-treated to give precursor pitch for carbon fiber which has good fiber-forming, preoxidizing and carbonizing properties. CONSTITUTION:Soft or medium coal tar pit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAMISHITA MAMORU, YUMITATE KOZO, OOSUGI YUKIHIRO
Format: Patent
Sprache:eng
Schlagworte:
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