SEA-ISLAND-TYPE COMPOSITE FIBER, AND FIBER PRODUCT INCLUDING SEA-ISLAND-TYPE COMPOSITE FIBER

A fiber is a sea-island-type composite fiber in which the primary constituent component of the sea section is an aromatic polyester, the moisture absorption/desorption parameter ΔMR is at least 2.0%, and a diagram obtained by connecting the center of gravity of the islands positioned on the outermos...

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Bibliographische Detailangaben
Hauptverfasser:	Nagao, Masashi, Sato, Kirita, Masuda, Masato
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:	A fiber is a sea-island-type composite fiber in which the primary constituent component of the sea section is an aromatic polyester, the moisture absorption/desorption parameter ΔMR is at least 2.0%, and a diagram obtained by connecting the center of gravity of the islands positioned on the outermost periphery of the fiber cross-sectional surface with line segments is a regular polygon having the center of gravity as an apex. A polyester fiber having superior quality with no splitting of the fiber surface caused by dispersion of stress generated due to volume expansion of the fibers when absorbing moisture, no dyeing irregularity or fuzzing when used in a woven or knitted fabric, and no reduction in moisture absorption due to hot-water processing.