Core-sheath conjugated fiber, slit fiber, and method of manufacturing such fibers

A core-sheath conjugated fiber comprising two kinds of polymer, wherein the core-sheath conjugated fiber is characterized in that the core component has projected shapes having projections and grooves alternately in a cross section in a direction perpendicular to the fiber axis, the projections are...

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Bibliographische Detailangaben
Hauptverfasser:	Kanemori, Yasunori, Matsuura, Tomohiko, Masuda, Masato
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 KNITTING LACE-MAKING LOOMS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METHODS OF WEAVING NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TRIMMINGS WEAVING WOVEN FABRICS
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Beschreibung
Zusammenfassung:	A core-sheath conjugated fiber comprising two kinds of polymer, wherein the core-sheath conjugated fiber is characterized in that the core component has projected shapes having projections and grooves alternately in a cross section in a direction perpendicular to the fiber axis, the projections are formed continuously in the direction of the fiber axis, and the height (H) of the projections, the width (WA) at the tip of the projections, and the width (WB) of the bottom surface satisfy the formulas at the same time. 1.0 ¤ H / WA 1 / 2 ¤ 3.0 0.7 ¤ WB / WA ¤ 3.0 A slit fiber is provided in which the projections are self-supporting, the crushing of a slit shape is greatly suppressed, and various features due to slits on the surface of fiber can be expressed with high durability.