PROCEDIMENTO PER LA PRODUZIONE DIPRODOTTI SAGOMATI IN PARTICOLARE FIBRE DA CELLULOSA RIGENERATA

A method of producing shaped articles e.g. fibres of regenerated cellulose comprises dissolving cellulose in a mixture of dimethylsulphoxide (DMSO) and formaldehyde, extruding the solution into an aqueous coagulant bath containing a basic salt of an amidine, (e.g. guanidinium carbonate) and, if desi...

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Bibliographische Detailangaben
Hauptverfasser:	MARINI INGO, KORGER DIETMAR
Format:	Patent
Sprache:	ita
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:	A method of producing shaped articles e.g. fibres of regenerated cellulose comprises dissolving cellulose in a mixture of dimethylsulphoxide (DMSO) and formaldehyde, extruding the solution into an aqueous coagulant bath containing a basic salt of an amidine, (e.g. guanidinium carbonate) and, if desired, drawing and aftertreating the regenerated articles.