On-line drying of hollow fiber membranes

The present invention relates to a continuous process for preparing permselective hollow fiber membranes being suitable e.g. for hemodialysis, hemodiafiltration and hemofiltration of blood which comprises a two-stage drying and tempering treatment of the hollow fiber membranes. According to a furthe...

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Bibliographische Detailangaben
Hauptverfasser: Buck, Reinhold, Krause, Bernd, Storr, Markus, Hildwein, Helmut, Wochner, Arnd, Bauer, Ulrich, Graf, Juergen
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention relates to a continuous process for preparing permselective hollow fiber membranes being suitable e.g. for hemodialysis, hemodiafiltration and hemofiltration of blood which comprises a two-stage drying and tempering treatment of the hollow fiber membranes. According to a further aspect, the invention relates to a continuous process for drying permselective hollow fiber membranes on-line. The invention also relates to devices for on-line drying of permselective hollow fiber membranes.