EASILY DYEABLE POLYESTER COPOLYMER PRODUCED BY TEREPHTHALIC ACID TECHNIQUE, ITS FIBER AND ITS PRODUCING METHOD

PROBLEM TO BE SOLVED: To provide a polyester copolymer for a polyester fiber capable of being easily dyed at a temperature lower than the dyeing temperature of conventional polyester fibers while the mechanical properties inherent to the conventional polyester fibers are kept even when using a TPA t...

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Bibliographische Detailangaben
Hauptverfasser:	KEN EKIGEN, SON RYOKOKU, KIM OSHU, YANG SUNGOL
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 CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyester copolymer for a polyester fiber capable of being easily dyed at a temperature lower than the dyeing temperature of conventional polyester fibers while the mechanical properties inherent to the conventional polyester fibers are kept even when using a TPA technique having a low producing cost, and to provide its fiber and its producing method. SOLUTION: When the polyester copolymer is produced by using a TPA polymerization method, it is produced by copolymerizing 1-10 wt.% of a polyalkylene glycol having a number-average molecular weight of 200-2,000 against the polymer, and by adjusting the G value (mol ratio of ethylene glycol/terephthalic acid) to 1.05-1.15. COPYRIGHT: (C)2005,JPO&NCIPI