CELLULOSIC SOLUTIONS AND THEIR USES

Solutions are disclosed which comprise (a) cellulose, (b) a tertiary amine N-oxide solvent for the cellulose, (c) a solution processability-enhancing amount of at least one co-solvent, miscible with the tertiary amine N-oxide, which is an amide selected from the group consisting of compounds of the...

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Bibliographische Detailangaben
1. Verfasser:	URBEN, PETER GEORGE
Format:	Patent
Sprache:	eng ; fre ; ger
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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Beschreibung
Zusammenfassung:	Solutions are disclosed which comprise (a) cellulose, (b) a tertiary amine N-oxide solvent for the cellulose, (c) a solution processability-enhancing amount of at least one co-solvent, miscible with the tertiary amine N-oxide, which is an amide selected from the group consisting of compounds of the formula R CONHR in which either (i) R represents H or C1-C3 alkyl and R represents H or methyl or (ii) R and R together represent 1,3-propylene, and, if desired, (d) a cellulose solubility-enhancing amount of water. Methods of manufacturing shaped cellulosic articles from such solutions are also disclosed.