TWI776814B

The present invention addresses the problem of providing a heat-fusible composite fiber which can be processed into a nonwoven fabric web with less damage to the fiber. This heat-fusible composite fiber comprises a first component containing a polyester resin and a second component containing a poly...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAUCHI, MINORU, UNNO, SHINICHI
Format:	Patent
Sprache:	chi
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 KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing a heat-fusible composite fiber which can be processed into a nonwoven fabric web with less damage to the fiber. This heat-fusible composite fiber comprises a first component containing a polyester resin and a second component containing a polyolefin resin. The melting point of the second component is at least 10°C lower than the melting point of the first component. The work of rupture obtained from tensile testing is at least 1.6 cN · cm/dtex. Since damage to the fiber is lessened with this heat-fusible composite fiber, higher-quality nonwoven fabric can be obtained in a more productive manner than in the past.