Dry pigment preparations comprising anionic additives

1. A pigment formulation comprising

(i) at least one organic pigment, at least one inorganic pigment or a combination thereof,

(ii) a dispersant of formula (I) or (II), or mixtures of dispersants of formulae (I) and (II),

wherein

a=0.001−0.9

b=0.001−0.9

c=0.001−0.9

d=0.001−0.9

subject to the proviso that the sum of a+b+c+d equals 1;

A is a C 2 -to C 4 alkylene,

B is a C 2 -to C 4 -alkylene other than A,

R is hydrogen or methyl,

m is from 1 to 500;

n is from 1 to 500,

subject to the proviso that the sum of m+n equals 2 to 1000;

D is a C 3 -alkylene,

o is from 2 to 500;

XA is an aromatic or araliphatic radical having 3 to 30 carbon atoms optionally containing heteroatoms selected from the group consisting of N, O and S,

ZA is H or (C 1 -C 4 )-alkyl,

ZB is H or (C 1 -C 4 )-alkyl,

ZC is H or (C 1 -C 4 )-alkyl;

R 1 is hydrogen or methyl,

XB is an aromatic or araliphatic radical having 3 to 30 carbon atoms optionally containing heteroatoms selected from the group consisting of N, O and S,

WA is oxygen or an NH group;

R 2 is hydrogen or methyl,

Y is an aliphatic hydrocarbyl radical having 1 to 30 carbon atoms, optionally linear, branched or cyclic, and optionally containing heteroatoms selected from the group consisting of O, N and S, and optionally is unsaturated,

WB is oxygen or an NH group;

Q is SO 3 , CH 2 COO, PO 3 M,

or QM is

M is H, a metal cation or ammonium, an alkylated ammonium ion, or a combination thereof and wherein

the asterisk in the formula QM represents a free valency and indicates the linkage to the group (B—O)n.

2. The pigment formulation as claimed in claim 1 , containing from 30% to 90% by weight of dry component (i).

3. The pigment formulation as claimed in claim 1 , containing from 0.1% to 30% by weight of dry component (ii).

4. The pigment formulation as claimed claim 1 , containing by way of component

(i) 60% to 85% by weight,

(ii) 10% to 30% by weight,

all based on the total weight of the pigment formulation when dry.

5. The pigment formulation as claimed in claim 1 , wherein the organic pigment is a monoazo, disazo, laked azo, β-naphthol, Naphthol AS, benzimidazolone, disazo condensation, azo metal complex pigment, phthalocyanine, quinacridone, perylene, perinone, thioindigo, anthanthrone, anthraquinone, flavanthrone, indanthrone, isoviolanthrone, pyranthrone, dioxazine, quinophthalone, isoindolinone, isoindoline or diketopyrrolopyrrole pigment or a carbon black.

6. The pigment formulation as claimed in claim 1 , wherein the alkylene oxide units (A-O) m and (B—O) n are present in blocks.

7. A process for preparing a pigment formulation as claimed in claim 1 , comprising the step of dispersing component (i) in the form of powder, granulate or aqueous presscake in the presence of water and component (ii).

8. A dyed or pigmented natural or synthetic material dyed or pigmented with the pigment formulation as claimed in claim 1 .

9. A pigmented aqueous paint, emulsion, varnish color or solvent-containing varnish pigmented with pigment formulation as claimed in claim 1 .