PRODUCTION OF PITCH-BASED HOLLOW CARBON YARN

PRODUCTION OF PITCH-BASED HOLLOW CARBON YARN

PURPOSE:To readily obtain the title yarn having excellent stability continuously by coating resin-based yarn such as phenol-based yarn with a metal, then covering the coated yarn with a pitch raw material, then, successively carbonizing and graphitizing. CONSTITUTION:Resin-based yarn such as phenol-...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TAKEGAWA TOMEI, MOROTOMI HIDETOSHI, SHIODE TETSUO
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
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PURPOSE:To readily obtain the title yarn having excellent stability continuously by coating resin-based yarn such as phenol-based yarn with a metal, then covering the coated yarn with a pitch raw material, then, successively carbonizing and graphitizing. CONSTITUTION:Resin-based yarn such as phenol-based or polyethylene-based yarn is coated with a metal such as nickel preferably in 1-10mum thickness. Then the metal coated yarn is covered with an isotropic or anisotropic pitch raw material in an inert atmosphere of argon, nitrogen, etc., then successively carbonized at 1,00-1,200 deg.C and graphitized at 2,000-2,500 deg.C to give the objective yarn. The pitch raw material preferably contains bulk mesophase.