CELLULOSE ACETATE FIBER HAVING SPECIFIC CROSS SECTION AND ITS PRODUCTION

PURPOSE: To obtain the subject fiber having peculiar gloss and feeling with reduced unevenness of fiber cross section by adding a polyethylene glycol into a spinning dope and dry spinning. CONSTITUTION: A spinning dope obtained by dissolving (A) acetate flakes and (B) a polyethylene glycol in an amo...

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Bibliographische Detailangaben
Hauptverfasser:	MORI HIROYUKI, NOSE KENKICHI
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 obtain the subject fiber having peculiar gloss and feeling with reduced unevenness of fiber cross section by adding a polyethylene glycol into a spinning dope and dry spinning. CONSTITUTION: A spinning dope obtained by dissolving (A) acetate flakes and (B) a polyethylene glycol in an amount of 5-40wt.% based on the component A in (C) a solvent capable of dissolving the components A and B is dry spun by extrusion from round spinning holes at 55-62 deg.C. Acetate fibers (single yarns) containing >=60% single yarns each having about cocoon-shaped cross section wherein two projecting parts 11 and 12 are bonded through a depressed part 13 with a depth (t) of