C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 26/02 (2006.01) D06P 1/52 (2006.01) D06P 5/06 (2006.01) D06P 5/08 (2006.01) D06P 3/04 (2006.01)
Patent
CA 2237924
A method of fixing dyes on natural or synthetic polyamide fibre material, wherein the fibre material is treated, before, during or after dyeing, with a liquor comprising a homo- or copolymer having structural repeating units of at least one of formulae (1), (2) and (3) Image Image Image , wherein the variables are as defined in the claims. The resulting dyeings and prints are distinguished by improved fastness wetting, without the shade and the fastness to light being affected, and by improved fastness to ozone.
Méthode pour fixer des colorants sur des fibres de polyamide synthétique ou naturelle, consistant à traiter la fibre avant, pendant ou après la teinture, à l'aide d'une liqueur renfermant un homo- ou un copolymère possédant des unités structurelles récurrentes répondant à au moins l'une des formules (1), (2) et (3) Image Image Image , dont les variables sont définies comme dans les revendications. Les colorations et imprimés obtenus se caractérisent par un mouillage plus résistant, sans altération du ton ni de la solidité à la lumière, et par une plus grande solidité vis-à-vis de l'ozone.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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