Process of making a crimped multicomponent fiber web

The present invention provides continuously crimped propylene polymer nonwoven fabrics as well as processes for forming crimped multicomponent propylene polymer fibers by melt-attenuating extruded multicomponent fibers with heated or unheated air wherein the fibers spontaneously crimp without the ne...

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Bibliographische Detailangaben
Hauptverfasser:	STOKES TY JACKSON, NEELY JAMES RICHARD, CLARK DARRYL FRANKLIN, FREESE CHAD MICHAEL, GRIFFIN REBECCA WILLEY
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TRIMMINGS WADDING WARPING OR BEAMING YARNS
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Beschreibung
Zusammenfassung:	The present invention provides continuously crimped propylene polymer nonwoven fabrics as well as processes for forming crimped multicomponent propylene polymer fibers by melt-attenuating extruded multicomponent fibers with heated or unheated air wherein the fibers spontaneously crimp without the need for additional heating and/or stretching steps.