PROCESS FOR THE WET SPINNING OF POLYPYRROLIDONE

Wet spinning of polypyrrolodone fibers comprises dissolving polypyrrolidone in a solvent selected from the gps. of alkali metal formate, ammonium- or ter-ammonium basic formate or their mixt.; extruding the soln. into a coagulating bath conrq. 0-35% isolated formic acid; and continuously drawing, wa...

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Bibliographische Detailangaben
Hauptverfasser:	SALAN ANTONINO, TEMPESTI ALDO, CAVALLARO ANTONINO, CAZZARO GIORGIO
Format:	Patent
Sprache:	eng ; kor
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
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Beschreibung
Zusammenfassung:	Wet spinning of polypyrrolodone fibers comprises dissolving polypyrrolidone in a solvent selected from the gps. of alkali metal formate, ammonium- or ter-ammonium basic formate or their mixt.; extruding the soln. into a coagulating bath conrq. 0-35% isolated formic acid; and continuously drawing, washing, and drying the coagulated filaments.