POLYAMIDE FIBER CAPABLE OF HIGH-TEMPERATURE DYEING

The present invention relates to a polyamide fiber which has a single fiber fineness of less than 5 dtex, and has a stress per unit fineness of 0.7 cN/dtex or more in 3% elongation in a tensile test of the fiber, in which a stress F1 in 3% elongation in a tensile test of the fiber before 100°C boili...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Sato, Yoshifumi, Sato, Kirita
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 METHODS OF WEAVING NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TRIMMINGS WEAVING WOVEN FABRICS
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Beschreibung
Zusammenfassung:	The present invention relates to a polyamide fiber which has a single fiber fineness of less than 5 dtex, and has a stress per unit fineness of 0.7 cN/dtex or more in 3% elongation in a tensile test of the fiber, in which a stress F1 in 3% elongation in a tensile test of the fiber before 100°C boiling water treatment and a stress F2 in 3% elongation in a tensile test of the fiber after the treatment satisfy the following formula (1): F 2 / F 1 > 0.7