PRODUCTION OF MODIFIED POLYESTER YARN

PURPOSE: To provide a method capable of increasing the efficiency of the elution treatment process with an aqueous solution of an alkali and improving yarn performances in a method for treating yarn of mixed spinning or conjugate yarn with an aqueous solution of an alkali and eluting and removing at...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA KENJI, HIRANO MADOKA, KIRIYAMA SHUNICHI
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 FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	PURPOSE: To provide a method capable of increasing the efficiency of the elution treatment process with an aqueous solution of an alkali and improving yarn performances in a method for treating yarn of mixed spinning or conjugate yarn with an aqueous solution of an alkali and eluting and removing at least a part of one component to produce modified polyester yarn. CONSTITUTION: Yarn comprising a composition consisting of 2-20 pts.wt. component A composed of a thermoplastic aliphatic polyester and 9880 pts.wt. component B composed of a thermoplastic polyester having solubility in an aqueous solution of an alkali lower than that of the component A and excellent in fiber- forming properties, amounting to at least a part of yarn surface, is made by melt spinning method, the prepared yarn is treated with an aqueous solution of an alkali at