ACRYLIC FIBER BUNDLE, FLAME RESISTANT FIBER BUNDLE, CARBON FIBER BUNDLE AND METHODS FOR PRODUCING THEM

ACRYLIC FIBER BUNDLE, FLAME RESISTANT FIBER BUNDLE, CARBON FIBER BUNDLE AND METHODS FOR PRODUCING THEM

PROBLEM TO BE SOLVED: To provide an acrylic fiber with high quality/high appearance quality, having excellent spreadability, and hardly causing single fiber breakage; to provide a flame retardant fiber obtained by flame retardizing the acrylic fiber; to provide a carbon fiber obtained by carbonizing...

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Bibliographische Detailangaben
Hauptverfasser: MATSUMAE HIDEYO, TOBA SUNAO, YAMAMOTO EIICHI
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
SPINNING
TEXTILES
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an acrylic fiber with high quality/high appearance quality, having excellent spreadability, and hardly causing single fiber breakage; to provide a flame retardant fiber obtained by flame retardizing the acrylic fiber; to provide a carbon fiber obtained by carbonizing the flame retardant fiber; and to achieve a method for simply producing the carbon fiber at a low cost. SOLUTION: The acrylic fiber includes ≤0.04% number of single fibers which are arranged at ≥20° oblique angle to the substantial longitudinal direction of a coagulated fiber bundle collected after spinning based on the number of the single fibers in the coagulated fiber bundle at an arbitrary selected position in 0.5 m length. COPYRIGHT: (C)2004,JPO