POLYESTER COMBINED FILAMENT YARN HAVING DIFFERENT SHRINKAGE

PROBLEM TO BE SOLVED: To provide a polyester combined filament yarn having different shrinkages, affording a fabric having slight fluff and high bulkinesss, assuming excellent deep dyeability and having a wool-like touch feeling. SOLUTION: The combined filament yarn having the different shrinkages i...

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Hauptverfasser:	AISAKA HIROYUKI, HATTORI KEIJIRO
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 CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MECHANICAL FINISHING OF YARNS OR ROPES METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyester combined filament yarn having different shrinkages, affording a fabric having slight fluff and high bulkinesss, assuming excellent deep dyeability and having a wool-like touch feeling. SOLUTION: The combined filament yarn having the different shrinkages is obtained by interlacing a sheath yarn which is a relaxed heat-treated yarn of a semidrawn polyester yarn having ≤5% shrinkage percentage in boiling water with a core yarn which is a polyester yarn having ≥8% shrinkage percentage in boiling water. Each polyester constituting the core yarn and the sheath yarn is a polyester polymer obtained by carrying out polycondensation of an aromatic dicarboxylate ester in the presence of a catalyst containing a specific titanium compound component and a specified phosphorus compound. COPYRIGHT: (C)2005,JPO&NCIPI