PROCEDIMENTO PER LA PRODUZIONE DI ARTICOLI DI CELLULOSA RIGENERATA CON RICUPERO DEI SOLVENTI

A process for producing regenerated cellulosic articles from cellulose which has been dissolved in a mixture of dimethyl sulfoxide (DMSO) and formaldehyde, and for recovering the solvent chemicals. The DMSO/formaldehyde solution of cellulose is brought into contact with an aqueous solution, the pH o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MARTTI ALKIO, OLLI AALTONEN
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 CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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