Coloured polypropylene/polystyrene support

Details Coloured polypropylene/polystyrene support Coloured polypropylene/polystyrene support

D - Textiles, Paper

06

P

D06P 3/79 (2006.01) D06P 1/16 (2006.01) D06P 1/653 (2006.01) D06P 3/00 (2006.01) D06P 3/82 (2006.01)

Patent

CA 2581210

Colouring process of Polypropylene/polystyrene support, especially fibres, threads, layers and films, in which the support is coloured by means of an aqueous composition comprising from 0.1 to 4% by weight disperse dye, organic acid with 1 to 6 carbon atoms, and at least a surfactant, whereby said colouring is at least operated partly at a temperature higher than 90~C.

L'invention concerne un procédé de coloration de support en polypropylène/polystyrène, particulièrement sous forme de fibres, fils, couches et films. La coloration s'effectue au moyen d'une composition aqueuse qui comprend, en poids, entre 0,1 et 4 % de colorant en dispersion, d'acide organique ayant entre 1 et 6 atomes de carbone, et au moins un tensioactif ; cette coloration se déroule au moins en partie à une température supérieure à 90° C..

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