| abstract |
Pigment preparations comprising a) at least one monoazo pigment of the formula (I) <IMAGE> (I) in which R is identical or different at each occurrence and is C1-C3-alkyl, C1-C3-alkoxy, chlorine or hydrogen, and n is a number from 1 to 3, b) at least one compound of the formula (II) <IMAGE> (II) <IMAGE> in which R1 and R2 are identical or different and are a radical of the formula <IMAGE> (HOCH2CH2)2N,HOCH2CH2NH or a five- to seven-membered, saturated or unsaturated, aliphatic or aromatic heterocyclic ring which includes from 1 to 3 heteroatoms from the group consisting of nitrogen, oxygen and sulfur, m is the number 1 or 2, and X is hydrogen, an alkali metal or a stoichiometric equivalent of an alkaline earth metal; and, if desired, c) further, conventional constituents and additives are particularly suitable for the production of printing inks. |