D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/238 (2006.01) D06M 15/41 (2006.01) D06P 1/56 (2006.01) D06P 1/653 (2006.01) D06P 5/22 (2006.01)
Patent
CA 2181914
The invention consists of a process to improve the resistance to stains on fibres, processed or not, finished or not on the basis of dyeable natural or synthetic fibres, in particular polyamide. According to the invention the fibres are treated with a solution containing tannic acid and a condensation product of a sulphonated phenol- or naphtol-derivate with an aldehyde. The treatment can be made before, during or after the dyeing process. The treatment is done in an acid medium.
Procédé permettant d'améliorer la résistance aux taches de fibres, transformées ou non et apprêtées ou non, à base de fibres naturelles ou synthétiques aptes à subir la teinture, et notamment de polyamide. Selon le procédé, on traite les fibres avec une solution renfermant de l'acide tannique et un produit de condensation d'un dérivé de phénol ou de naphtol sulfoné avec aldéhyde. Le traitement peut avoir lieu avant, pendant ou après le processus de teinture, et s'effectue en milieu acide.
Ascend Performance Materials Llc
Goudreau Gage Dubuc
N.v. Denderland-Martin
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