Process for the treatment of cellulose fibres and of assemblies made from these fibres
US6022378A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/66
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.