ACRYLONITRILE FILAMENT YARN AND ITS PRODUCTION

PURPOSE:To produce the titled filament yarn having hempy appearance and feeling, by extruding a spinning dope of an acrylonitrile polymer through a specific spinneret into an inert gas medium, introducing into a coagulation bath, and washing and drawing the obtained filament. CONSTITUTION:A spinning...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIMURA KAZUO, OCHI MITSUTOSHI
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 MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	PURPOSE:To produce the titled filament yarn having hempy appearance and feeling, by extruding a spinning dope of an acrylonitrile polymer through a specific spinneret into an inert gas medium, introducing into a coagulation bath, and washing and drawing the obtained filament. CONSTITUTION:A spinning dope of an acrylonitrile polymer is extruded through a spinneret furnished with a set of spinning nozzles consisting of a linearly arranged circular holes having plural openings, wherein the ratio of the nozzle spacing L and the nozzle radius R (L/R) is 0.3-2.0, preferably 0.5-1.5, and the area of the nozzle is