METHOD FOR PRODUCING POLYESTER FIBERS, POLYESTER FIBERS, YARNS AND TEXTILES

The present invention provides a method for producing polyester fibers which improves the defects that polyester fibers and the textiles thereof cannot be easily dyed. In such method, fibers could be dyed by using dispersed dyes at ambient pressure and a temperature of 100° C. or less without adding...

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Bibliographische Detailangaben
Hauptverfasser:	LIAO YUANN, TU YI-JEN, WU KUOUNG
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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a method for producing polyester fibers which improves the defects that polyester fibers and the textiles thereof cannot be easily dyed. In such method, fibers could be dyed by using dispersed dyes at ambient pressure and a temperature of 100° C. or less without adding carrying agents, and have good dyeability, high dyeing deepness and excellent color fastness. The textiles thereof have excellent dyeing retention. In the said method for producing fibers which could be easily dyed at low temperature, a composition consisting of 99.9 to 60% by weight of a first polyester component with a glass transition temperature (Tg) of greater than 20° C. to 100° C. and 0.1 to 40% by weight of a second polyester component with a glass transition temperature (Tg) of 20° C. to −50° C. is melted and spun to such polyester fibers.