POLYESTER MULTIFILAMENT YARN HAVING THICK AND THIN PARTS AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To produce the subject stably producible multifilament yarn, capable of manifesting a dry tough feeling, a smooth touch feeling and a light and shade contrast with a short period length by dyeing and having a sprinkly colored natural uneven feeling by providing a specific uneve...

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Bibliographische Detailangaben
Hauptverfasser:	ONDA TAKAYOSHI, HIGUCHI MICHINORI
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 CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce the subject stably producible multifilament yarn, capable of manifesting a dry tough feeling, a smooth touch feeling and a light and shade contrast with a short period length by dyeing and having a sprinkly colored natural uneven feeling by providing a specific unevenness of thickness thereto and further regulating the standard deviations of the stress and breaking elongation to specific values or below. SOLUTION: This polyester multifilament yarn is produced by providing an unevenness of thickness of 1.5-8.0% Uster normal U% value in the longitudinal direction and >=10 number of peaks having >4.0% fluctuation in the thickness/m (yarn length) thereto and further regulating the standard deviation of stress at 40% elongation point to