Title (en)

CELLULOSIC SOLUTIONS AND THEIR USES

Title (de)

CELLULOSELÖSUNGEN UND DEREN VERWENDUNG

Title (fr)

SOLUTIONS CELLULOSIQUES ET LEUR UTILISATION

Publication

EP 1086139 A1 20010328 (EN)

Application

EP 99922339 A 19990517

Priority

• GB 9901566 W 19990517
• GB 9810778 A 19980519

Abstract (en)

[origin: WO9960026A1] 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<1>CONHR<2> in which either (i) R<1> represents H or C1-C3 alkyl and R<2> represents H or methyl or (ii) R<1> and R<2> 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.

IPC 1-7

C08B 1/00; C08L 1/02; D01F 2/00; C08J 5/18

IPC 8 full level

C08B 1/00 (2006.01); D01F 2/00 (2006.01)

CPC (source: EP)

C08B 1/003 (2013.01); D01F 2/00 (2013.01)

Citation (search report)

See references of WO 9960026A1

Designated contracting state (EPC)

AT DE ES FR GB IT

DOCDB simple family (publication)

WO 9960026 A1 19991125; AU 3944199 A 19991206; EP 1086139 A1 20010328; GB 9810778 D0 19980715

DOCDB simple family (application)

GB 9901566 W 19990517; AU 3944199 A 19990517; EP 99922339 A 19990517; GB 9810778 A 19980519