PRODUCTION OF MODIFIED POLYESTER YARN

PURPOSE:To obtain the titled yarn of basic dyeable type having high strength, excellent alkali resistance, dyeability and fastness to light of dyed material, by spinning a specific modified polyester under a specific condition and drawing. CONSTITUTION:A modified polyester which is obtained by copol...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO TADAYUKI, MITSUYOSHI TAKEHIKO, SANO KEIZO
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:	PURPOSE:To obtain the titled yarn of basic dyeable type having high strength, excellent alkali resistance, dyeability and fastness to light of dyed material, by spinning a specific modified polyester under a specific condition and drawing. CONSTITUTION:A modified polyester which is obtained by copolymerization of an isophthalic acid component containing 1.0-2.0mol% sulfonate group and 0.5-1.9wt% glycol component preferably polyalkylene glycol shown by formula A(CnH2nO)m [A is ClH2l+1O or OH (l is 1-10); n is 2-5; m is 3-100] having 400-6,000mol.wt. and has 82-105 polymerization degree is spun under conditions wherein shear rate (gamma)