Acrylic fiber production method

The present invention relates to an acrylic fiber production method by which a spinning dope obtained by dissolving an acrylic polymer in an organic solvent is wet-spun, wherein the acrylic polymer contains, with respect to the total mass of the acrylic polymer, 20-85 mass% of acrylonitrile, 14.5-79...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAMURA, MASANOBU, NOISHIKI, RYOHEI, KANO, AKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARTIFICIAL FLOWERS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS FEATHERS HUMAN NECESSITIES MASKS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WEARING APPAREL WIGS
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Beschreibung
Zusammenfassung:	The present invention relates to an acrylic fiber production method by which a spinning dope obtained by dissolving an acrylic polymer in an organic solvent is wet-spun, wherein the acrylic polymer contains, with respect to the total mass of the acrylic polymer, 20-85 mass% of acrylonitrile, 14.5-79.5 mass% of vinyl chloride, and 0.5-10 mass% of a sulfonic acid group-containing monomer, the organic solvent is dimethyl sulfoxide, and the spinning dope contains 8-16 mass% of water with respect to the dry mass of the acrylic polymer. The present invention provides an acrylic fiber production method by which acrylic fibers that have favorable hackling properties can be obtained.