SUPERFINE POLYESTER FIBER AND TUBULAR SEAMLESS FABRIC

Provided is a superfine polyester fiber containing at least 98 wt% of a polyethylene terephthalate component, and characterized by fulfilling the following conditions: (1) the reduced viscosity (.eta.sp/c) is at least 0.80 dl/g; (2) the total fineness is 7-120 dtex, and the single filament fineness...

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Bibliographische Detailangaben
Hauptverfasser:	TOYODA, KEIICHI, TAKAHASHI, TETSUKO, KOJIMA, JUNICHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE LOOMS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OF WEAVING METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WEAVING WOVEN FABRICS
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Beschreibung
Zusammenfassung:	Provided is a superfine polyester fiber containing at least 98 wt% of a polyethylene terephthalate component, and characterized by fulfilling the following conditions: (1) the reduced viscosity (.eta.sp/c) is at least 0.80 dl/g; (2) the total fineness is 7-120 dtex, and the single filament fineness is no more than 0.5 dtex; and (3) the toughness parameter (X) indicated by formula (1) is at least 2.0, the tensile strength is at least 3.5 cN/dtex and the tensile elongation is at least 12%. X - (tensile strength × .sqroot.tensile elongation)/(total fineness × single filament fineness)... formula (1). L'invention concerne une fibre polyester superfine contenant au moins 98 % en poids d'un composant polyéthylènetéréphthalate, et caractérisé par le fait qu'elle remplit les conditions suivantes : (1) la viscosité réduite (?sp/c) atteint au moins 0,80 dl/g ; (2) la finesse totale atteint 7-120 dtex et la finesse de la monofibre n'est pas supérieure à 0,5 dtex ; le paramètre de ténacité (X) indiqué par la formule (1) atteint au moins 2,0, la résistance à la traction atteint au moins 3,5 cN/dtex et l'allongement à la traction atteint au moins 12%. X = (résistance à la traction ×vallongement à la traction)/(finesse totale × finesse de la monofibre) formule (1).