Process for removing residual spin solvent from a gel spun filament, the filament, multi-filament yarn and products comprising the filament

Process for removing residual spin solvent from a gel spun filament, the filament, multi-filament yarn and products comprising the filament

Process for removing residual spin solvent from a gel spun, UHMwPE filament having an effective diameter of above 16 μm, comprising the steps of: removing residual spin solvent from the filament to a level of below 100 ppm at elevated temperature, while keeping the filament taut. The invention also...

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Bibliographische Detailangaben
Hauptverfasser: MARISSEN ROELOF R, SIMMELINK JOSEPH ARNOLD PAUL MARIA J A P M, NIELABA LEONARD JOSEF ARNOLD L. J. A, SNIJDER CARINA SACHA C. S, VAZ CLAUDIA MARIA C. M
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:Process for removing residual spin solvent from a gel spun, UHMwPE filament having an effective diameter of above 16 μm, comprising the steps of: removing residual spin solvent from the filament to a level of below 100 ppm at elevated temperature, while keeping the filament taut. The invention also relates to gel spun UHMwPE filament having an effective diameter of above 16 μm and a residual spin solvent residue of less than 100 ppm. Preferably the filament has a creep rate, measured at 50° C., under a load, so that the initial stress is 600 MPa, of less than 510−6 sec−1.