C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/00 (2006.01) D21H 21/28 (2006.01)
Patent
CA 2749995
The present invention relates to storage stable aqueous dye dispersions, comprising (a) 2.0 to 30.0 % by weight, based on the sum of (a), (b) and (c), of a dye of the formula (3) in which KK is a residue of a coupling component; (b) 0.1 to 20.0 % by weight, based on the sum of (a), (b) and (c), of at least one additive selected from the group consisting of wetting agents, dispersing agents, rheology modifiers, and preservatives; and (c) 50.0 to 97.9 % by weight, based on the sum of (a), (b) and (c), of water. The invention moreover relates to a process for their preparation and the use thereof for the dyeing, in particular of paper.
La présente invention porte sur des dispersions aqueuses de colorant stables au stockage comprenant (a) 2,0 à 30,0 % en poids, sur la base de la somme de (a), (b) et (c), d'un colorant représenté par la formule (3) dans laquelle KK représente un résidu d'un composant de couplage ; (b) 0,1 à 20,0 % en poids, sur la base de la somme de (a), (b) et (c), d'au moins un additif choisi dans le groupe constitué par les agents mouillants, les agents dispersants, les modificateurs de rhéologie et les conservateurs ; et (c) 50,0 à 97,9 % en poids, sur la base de la somme de (a), (b) et (c), d'eau. L'invention porte de plus sur un procédé pour leur préparation et sur leur utilisation pour la coloration, en particulier de papier.
Lautenbach Holger
Traber Rainer Hans
Urbing Heidemarie
Basf Se
Robic
LandOfFree
Aqueous dye dispersions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Aqueous dye dispersions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aqueous dye dispersions will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1695180