Pigment preparations with anthraquinone derivatives as dispersing agents.

摘要

Pigment preparations comprising (a) at least one organic pigment; (b) at least one anthraquinone derivative of the general formula I where A is =O or =NR<1>; X is an amino group -N(R<3>)2 Y is an acid group -SO3<(-)>Ka<(+)> or -CO2<(-)>Ka<(+)> Z is halogen; C1-C30-alkyl, -alkoxy, -alkylthio; C3-C30-alkenyl, -alkenoxy; C5-C8-cycloalkyl, -cycloalkoxy, -cycloalkylthio; phenyl, phenoxy, phenylthio; m is from 1 to 4; n is from 1 to 4; p is from 0 to 6 as dispersant (dispersing agent); (c) if desired further additives customary for pigment preparations.