CARBON FIBER PRECURSOR FIBER AND METHOD FOR PRODUCING CARBON FIBER BY USING THE SAME

PROBLEM TO BE SOLVED: To provide a method and a means for efficiently performing especially a flame-resisting treatment for improving productivity of carbon fibers. SOLUTION: The carbon fiber precursor fiber comprises: 100 pts.wt. of a polyacrylonitrile polymer and 0.01-5 pts.wt. of a carbon materia...

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Bibliographic Details
Main Authors WOELKI MICHAEL, SUZUKI TAKAYA, ZUSHI HIROAKI, HUNYAR CHRISTIAN
Format Patent
LanguageEnglish
Published 25.08.2011
Subjects
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
NATURAL OR ARTIFICIAL THREADS OR FIBRES
ORGANIC MACROMOLECULAR COMPOUNDS
SPINNING
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PROBLEM TO BE SOLVED: To provide a method and a means for efficiently performing especially a flame-resisting treatment for improving productivity of carbon fibers. SOLUTION: The carbon fiber precursor fiber comprises: 100 pts.wt. of a polyacrylonitrile polymer and 0.01-5 pts.wt. of a carbon material having a microwave absorbing efficiency higher than that of the polyacrylonitrile polymer; and a relative dielectric constant [ r] of not less than 5 as an additive. The additive is preferably one or more substances selected from the group consisting of activated carbon, carbon nanotube (CNT), carbon nanofiber, fullerene, carbon black, graphite, silicon carbide, pitch coke, diamond, and diamond-like carbon. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20100024905