KRÄUSELUNG VON AUS CELLULOSELÖSUNGEN GESPONNENEN FASERN

Staple fibres of solvent-spun cellulose are made by a method in which: i) cellulose is dissolved in an amine oxide solvent to form a hot cellulose solution, ii) the hot cellulose solution is extruded through a die assembly to form a tow of continuous filaments, iii) the tow is passed through a water...

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Bibliographische Detailangaben
Hauptverfasser:	ROBINSON, PHILLIP IAN, SELLARS, ALAN, WHITE, PATRICK
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	Staple fibres of solvent-spun cellulose are made by a method in which: i) cellulose is dissolved in an amine oxide solvent to form a hot cellulose solution, ii) the hot cellulose solution is extruded through a die assembly to form a tow of continuous filaments, iii) the tow is passed through a water bath to leach out the amine oxide, iv) the tow is crimped by passing through a stuffer box in which it is compressed to apply crimp, v) dry steam being injected into the stuffer box during the crimping process, and vi) the crimped tow is passed to a cutter and cut to the desired fibre length. An apparatus is also provided in which the staple fibres can be made.