Water-based colorant preparations

Details Water-based colorant preparations Water-based colorant preparations

C - Chemistry, Metallurgy

09

B

C09B 67/20 (2006.01) C09B 67/46 (2006.01) C09D 11/00 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2453351

The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant, B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether, C) between 0 and 30 wt. % of at least one organic solvent, D) between 0 and 20 wt. % of other standard additives, and E) between 10 and 90 wt. % of water, respectively in relation to the total weight (100 wt. %) of the colorant preparation. The invention also relates to the use of said preparations in printing inks, especially ink jet printing inks.

Préparations colorantes aqueuses qui contiennent (A) 0,1 à 50 % en poids d'au moins un pigment organique et /ou inorganique et / ou d'au moins un colorant organique, (B) 0,01 à 80 % en poids d'au moins d'un sulfopropyléther de naphtol-oxalkylate, d'un sulfopropyléther d'alcanol-oxalkylate ou d'un sulfopropyléther d'alkylphénol-oxalkylate, (C) 0 à 30 % en poids d'au moins un solvant organique, (D) 0 à 20 % en poids d'autres additifs habituels et (E) 10 à 90 % en poids d'eau, les pourcentages étant indiqués par rapport au poids total (100 % en poids) de la préparation colorante. La présente invention concerne également l'utilisation desdites préparations colorantes dans des encres d'impression, en particulier des encres d'impression à jet d'encre.

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