STAPLE FIBER FOR BINDER

PURPOSE:To provide the titled hot-melt fiber which is a sheath-core conjugate fiber composed of a low-melting polymer as the core component and polyethylene terephthalate as the sheath component, having a specific fiber length, free from blocking during the spinning and drawing steps, and having exc...

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Bibliographische Detailangaben
Hauptverfasser:	SHIOZAKI KAZUHIRO, ISHII KIMIYOSHI
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 NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the titled hot-melt fiber which is a sheath-core conjugate fiber composed of a low-melting polymer as the core component and polyethylene terephthalate as the sheath component, having a specific fiber length, free from blocking during the spinning and drawing steps, and having excellent elastic recovery. CONSTITUTION:The objective fiber is sheath-core conjugate fiber having a fiber length of 5-60mm. and consisting of a core component composed of a low-melting polymer having a melting point of 130-200 deg.C (preferably a polyester copolymer containing 20-50mol% of copolymerized isophthalic acid component, having a relative viscosity of 1.48-1.76, and containing 0.5-3.0wt%, based on the polymer, of diethylene glycol component), and a sheath component composed of polyethylene terephthalate.