A MANUFACTURING METHOD OF POLYESTER YARN

The present invention relates to a method for preparing a polyester fiber having wear resistance, comprising (S1) a step of forming an undrawn fiber having a monofilament fitness of 90 to 300 deniers by melt-spinning a polyester resin through a spinneret and cooling the polyester resin at 10 to 20°C...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JANG, KI HYUK, CHOI, JAE HO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for preparing a polyester fiber having wear resistance, comprising (S1) a step of forming an undrawn fiber having a monofilament fitness of 90 to 300 deniers by melt-spinning a polyester resin through a spinneret and cooling the polyester resin at 10 to 20°C and at a wind speed of 0.8 to 1.5 m/sec; (S2) a step of supplying and attaching a radiation emulsion to the undrawn fiber; (S3) a step of forming a drawn fiber by drawing the undrawn fiber to which the oil is applied; and (S4) a step of preparing a polyester fiber having a monofilament fitness of 15 to 50 deniers by winding the undrawn fiber.