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1. WO2020110632 - METHOD FOR PRODUCING FLAME-PROOF FIBER BUNDLE, AND METHOD FOR PRODUCING CARBON FIBER BUNDLE

Publication Number WO/2020/110632
Publication Date 04.06.2020
International Application No. PCT/JP2019/043415
International Filing Date 06.11.2019
IPC
D01F 9/22 2006.01
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
9Man-made filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
08of inorganic material
12Carbon filaments; Apparatus specially adapted for the manufacture thereof
14by decomposition of organic filaments
20from polyaddition, polycondensation or polymerisation products
21from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
22from polyacrylonitriles
D01F 9/32 2006.01
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
9Man-made filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
08of inorganic material
12Carbon filaments; Apparatus specially adapted for the manufacture thereof
14by decomposition of organic filaments
32Apparatus therefor
CPC
D01F 9/22
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
9Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
08of inorganic material
12Carbon filaments; Apparatus specially adapted for the manufacture thereof
14by decomposition of organic filaments
20from polyaddition, polycondensation or polymerisation products
21from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
22from polyacrylonitriles
D01F 9/32
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
9Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
08of inorganic material
12Carbon filaments; Apparatus specially adapted for the manufacture thereof
14by decomposition of organic filaments
32Apparatus therefor
Applicants
  • 東レ株式会社 TORAY INDUSTRIES, INC. [JP]/[JP]
Inventors
  • 細谷直人 HOSOTANI, Naoto
  • 山本拓 YAMAMOTO, Taku
  • 権藤和之 GONDO, Kazuyuki
  • 高松幸平 TAKAMATSU, Kohei
  • 久慈祐介 KUJI, Yusuke
Priority Data
2018-22003426.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) METHOD FOR PRODUCING FLAME-PROOF FIBER BUNDLE, AND METHOD FOR PRODUCING CARBON FIBER BUNDLE
(FR) PROCÉDÉ PERMETTANT DE PRODUIRE UN FAISCEAU DE FIBRES RÉSISTANT À LA FLAMME ET PROCÉDÉ PERMETTANT DE PRODUIRE UN FAISCEAU DE FIBRES DE CARBONE
(JA) 耐炎化繊維束の製造方法および炭素繊維束の製造方法
Abstract
(EN)
A method for producing a flame-proof fiber bundle, comprising subjecting a paralleled acrylic fiber bundle 2 to a heat treatment in an oxidative atmosphere while folding back the acrylic fiber bundle 2 with guide rollers 4 respectively arranged at both ends in the outside of a hot-blast heating-type flame-proofing furnace 1, wherein the flow velocity Vm of first hot air that is fed from a feed nozzle 5 arranged above and/or below the fiber bundle running in the flame-proofing furnace 1 in a direction approximately parallel to the direction of the running of the fiber bundle and the flow velocity Vf of second hot air that flows through a fiber bundle passing flow path 10 through which the fiber bundle runs satisfy the requirement represented by formula (1). 0.2 ≦ Vf/Vm ≦ 2.0 (1) It is possible to produce a high-quality flame-proof fiber bundle and a high-quality carbon fiber bundle with high efficiency without any operational trouble.
(FR)
La présente invention concerne un procédé permettant de produire un faisceau de fibres résistant à la flamme, consistant à soumettre un faisceau de fibres acryliques parallèles (2) à un traitement thermique dans une atmosphère oxydante tout en repliant le faisceau de fibres acryliques (2) avec des rouleaux de guidage (4) disposés respectivement aux deux extrémités à l'extérieur d'un four d'ignifugation de type à chauffage à chaud (1), la vitesse d'écoulement (Vm) d'un premier air chaud qui est alimenté à partir d'une buse d'alimentation (5) disposée au-dessus et/ou en dessous du faisceau de fibres s'étendant dans le four d'ignifugation (1) dans une direction approximativement parallèle à la direction de déplacement du faisceau de fibres et la vitesse d'écoulement (Vf) du second air chaud qui circule à travers un trajet d'écoulement de passage de faisceau de fibres (10) à travers lequel se déplace le faisceau de fibres, satisfaisant l'exigence représentée par la formule (1). 0,2 ≦ Vf/Vm ≦ 2,0 (1). Il est possible de produire un faisceau de fibres résistant à la flamme de haute qualité et un faisceau de fibres de carbone de haute qualité ayant une efficacité élevée sans aucun problème de fonctionnement.
(JA)
引き揃えたアクリル系繊維束2を、熱風加熱式の耐炎化炉1外の両端に設置されたガイドローラー4で折り返しながら酸化性雰囲気中で熱処理する耐炎化繊維束の製造方法であって、耐炎化炉1内を走行する繊維束の上方および/または下方に配置された供給ノズル5から繊維束の走行方向に対して略平行方向に送風される第1の熱風の風速Vmと、繊維束が走行する繊維束通過流路10を流れる第2の熱風の風速Vfとが、式1)を満足する耐炎化繊維束の製造方法。 0.2 ≦ Vf/Vm ≦ 2.0 1)。 高品質な耐炎化繊維束ならびに炭素繊維束を操業トラブルなく効率よく生産する。
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