Process for the treatment of cellulose fibres and of assemblies

Details Process for the treatment of cellulose fibres and of assemblies Process for the treatment of cellulose fibres and of assemblies

1998-12-15

2000-02-08

Gupta, Yogendra

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

8566, D06M 13322

Patent

active

060223782

ABSTRACT:
A process for the treatment of cellulose fibers of the Lyocell type, wherein said fibers are contacted with a textile auxiliary agent, characterized in that as said textile auxiliary agent a compound of the general formula ##STR1## or its alkaline metal salt is employed, wherein X is halogen, alkoxy having 1-4 carbon atoms, amino, alkylamino having 1-4 carbon atoms, hydroxysulphonyl or 1-nicotinyl; Y having the general formula ##STR2## wherein n is the number 1 or 2; R.sup.1 is hydrogen, alkyl having 1-4 carbon atoms or phenyl; R.sup.2 and R.sup.3 are hydrogen, hydroxysulphonyl, hydroxyl, halogen, alkyl having 1-4 carbon atoms or carboxyl; A is vinyl or --C.sub.2 H.sub.4 B, wherein B is a group capable of being cleaved under alkaline conditions; and Z is Y or X.

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Ullmann's Encyclopedia of Industrial Chemistry, Fifth, Completely Revised Edition, vol. A22, pp. 652-654.
Ullmann's Encyklopadie der technischen Chemie, 4.sup.th Edition, vol. 20, pp. 114-117 (English translation not available.
Presentation by S. Mortimer at the CELLUCON Conference, Lund, Sweden, 1993, "72 Spinning of Fibres through the N-methylmorpholine-N-oxide process".

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