PROCESS FOR MAKING VERY ELASTIC PROPYLEN FIBRE

Highly resilient polypropylene fiber having a compression recovery of at least 250% is provided by spinning and drawing a filament, imparting a non-helical or sawtooth crimp, for instance in a stuffer box, and thereafter heat setting to permanently impart the crimp.

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Bibliographische Detailangaben
Hauptverfasser:	BORENSTEIN D.E, WISHMAN M, LENINGER J.C
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 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:	Highly resilient polypropylene fiber having a compression recovery of at least 250% is provided by spinning and drawing a filament, imparting a non-helical or sawtooth crimp, for instance in a stuffer box, and thereafter heat setting to permanently impart the crimp.