POLYESTER RAW YARN

PROBLEM TO BE SOLVED: To obtain a polyester raw yarn excellent in fastness to nitrogen oxides and heat resistance. SOLUTION: This polyester raw yarn comprises a polyester prepared by copolymerizing 0.5-15 wt.% of a polyoxyalkylene glycol and having the residual ratio of the copolymerized polyoxyalky...

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Bibliographische Detailangaben
Hauptverfasser:	FUKAZAWA TOKUHARU, AYABE TOSHIHARU
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:	PROBLEM TO BE SOLVED: To obtain a polyester raw yarn excellent in fastness to nitrogen oxides and heat resistance. SOLUTION: This polyester raw yarn comprises a polyester prepared by copolymerizing 0.5-15 wt.% of a polyoxyalkylene glycol and having the residual ratio of the copolymerized polyoxyalkylene glycol to a phenolic antioxidant in the polyester raw yarn satisfying the formula: 3×10