CARBON FIBER PRECURSORS AND METHOD FOR PRODUCING CARBON FIBERS

CARBON FIBER PRECURSORS AND METHOD FOR PRODUCING CARBON FIBERS

PROBLEM TO BE SOLVED: To provide carbon fiber precursors from which carbon fibers having a high grade and a high quality can be produced even under calcination condition of high tension or draw ratio without deteriorating productivity, while suppressing the formation of fuzz and the breakage of the...

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Bibliographische Detailangaben
Hauptverfasser: ENDO MAKOTO, TANAKA FUMIHIKO, OKUDA HARUMI
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
NATURAL OR ARTIFICIAL THREADS OR FIBRES
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide carbon fiber precursors from which carbon fibers having a high grade and a high quality can be produced even under calcination condition of high tension or draw ratio without deteriorating productivity, while suppressing the formation of fuzz and the breakage of the fiber precursors. SOLUTION: Provided are the carbon fiber precursors having a degree of orientation of 92 to 95% and a single fiber creep rate of 0.01 to 0.1%/min under a load of 1.25 g/dtex at 130°C, and a method for producing carbon fibers from the carbon fiber precursors. COPYRIGHT: (C)2010,JPO&INPIT