DE2311180

Flame-retardant fibers of regenerated cellulose are produced by adding one or more flame-retardant phosphorus compounds to the viscose, extruding the viscose into a spinning bath and, if desired, stretching and after-treating the resulting filaments or staple fibers. The flame-retardant agent is a c...

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Bibliographische Detailangaben
Hauptverfasser:	GSCHAIDER, WERNER., VOECKLABRUCK, CREMER, JOSEPH. DR., 5030 HERMUELHEIM, HARNISCH, HEINZ- . DR., 5023 LOEVENICH, HUEPFL, JOHANNES, KRAESSIG, JOHANNES ADOLF
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:	Flame-retardant fibers of regenerated cellulose are produced by adding one or more flame-retardant phosphorus compounds to the viscose, extruding the viscose into a spinning bath and, if desired, stretching and after-treating the resulting filaments or staple fibers. The flame-retardant agent is a compound of the general formula PNxOy IN WHICH X STANDS FOR A NUMBER BETWEEN 0.9 AND 1.7 AND Y STANDS FOR A NUMBER BETWEEN 1.2 AND 0, WHERE THE Y-VALUES CONVERGE TOWARDS ZERO AS THE X-VALUES INCREASE. The flame-retardant agent is more particularly used in a proportion approximately between 5 and 30 weight %, based on the weight of the cellulose.