PROCESS FOR THE PRODUCTION OF CONTINUOUSLY DYED, HIGH-SHRINKAGE FILAMENTS AND FIBRES

The invention relates to a process for the continuous production of filaments of high-shrinking dyed acrylonitrile copolymer which contains at least 150 milliequivalents of acid groups per kg of polymer, wherein the dry-spun and unstretched filaments are exposed to a special washing-, squeezing- and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	REINEHR, ULRICH, NOGAJ, ALFRED, LENZ, HANS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	The invention relates to a process for the continuous production of filaments of high-shrinking dyed acrylonitrile copolymer which contains at least 150 milliequivalents of acid groups per kg of polymer, wherein the dry-spun and unstretched filaments are exposed to a special washing-, squeezing- and drying procedure prior to the dyeing and stretching.