PROCESS AND PRODUCT OF HIGH STRENGTH UHMW PE FIBERS

An improved process for solution spinning of ultra-high molecular weight polyethylene (UHMW PE) filaments, wherein the 10 wt% solution of the UHMW PE in mineral oil at 250Â°C has a Cogswell extensional viscosity and a shear viscosity within select ranges. Se describe un proceso mejorado para el hila...

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Bibliographische Detailangaben
Hauptverfasser:	JOHN A. YOUNG, CHARLES R. ARNETT, THOMAS Y. TAM, QIANG ZHOU, CONOR J. TWOMEY
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTIOND, RELATING TOTEXTILES MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	An improved process for solution spinning of ultra-high molecular weight polyethylene (UHMW PE) filaments, wherein the 10 wt% solution of the UHMW PE in mineral oil at 250Â°C has a Cogswell extensional viscosity and a shear viscosity within select ranges. Se describe un proceso mejorado para el hilado en solución de filamentos de polietileno de peso molecular ultra alto (UHMW PE), en donde la solución al 10% en peso del UHMW PE en aceite mineral a 250°C tiene una viscosidad extensional Cogswell y una viscosidad de cizallamiento dentro de los intervalos elegidos.