Solventborne pigment pastes comprising metallic pigments and use thereof for producing solventborne effect coating materials

1. A solventborne pigment paste (PP) comprising effect pigments, wherein the solventborne pigment paste comprises, based in each case on the overall composition of the pigment paste (PP),

(A) 10% to 30% by weight of at least one lamellar effect pigment (P),

(B) 0.1% to 2.0% by weight of a waxlike compound (W),

(C) 0.1% to 3.0% by weight of cellulose acetobutyrate (CAB),

(D) 5.0% to 20% by weight of a polyester resin (PE),

(E) 2.0% to 7% by weight of a melamine resin,

(F) 0.1% to 0.5% by weight of a urea-based thickener, and

(G) 30% to 80% by weight of organic solvents;

wherein the solventborne pigment paste is effective as an additive in production and tinting of a coating system and (A), (B), (C), (D), (E), (F), and (G) add to 100%.

2. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , wherein the lamellar effect pigment is a mica pigment and/or metallic effect pigment.

3. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 15% to 25% by weight of the lamellar effect pigment (P).

4. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 0.5% to 1.5% by weight of the waxlike compound (W).

5. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , wherein the waxlike compound (W) is a polyolefin wax.

6. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 0.5% to 2.5% by weight of cellulose acetobutyrate (CAB).

7. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 5.0% to 15% by weight of the polyester resin (PE).

8. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , wherein the polyester resin has a weight-average molecular weight of 2000 to 20 000 g/mol, an acid number of 3 to 50 mg KOH/g and a hydroxyl number of 30 to 500 mg KOH/g.

9. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 4% to 7% by weight of the melamine resin.

10. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , wherein said melamine resin is a high-imino butanol-etherified melamine resin.

11. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 0.1% to 0.3% by weight of a urea-based thickener.

12. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , wherein the urea-based thickener is a polyurethane-modified urea.

13. The solventborne pigment paste (PP) comprising effect pigments, according to claim 1 , comprising 40% to 70% by weight of solvent.

14. The solventborne pigment paste (PP) comprising effect pigments, according to claim 13 , comprising at least 10% by weight, based on the overall composition of the pigment paste (PP), of butyl acetate in the solvent fraction.

15. A process for producing solventborne coating materials (B), the process comprising mixing the solventborne pigment paste (PP) of claim 1 with at least one coating constituent.

16. A solventborne coating material (B) comprising at least one solventborne pigment paste (PP) comprising lamellar effect pigments, according to claim 1 .

17. The solventborne pigment paste (PP) comprising effect pigments according to claim 1 , wherein upon storage at 25° C. for up to 3 months, the PP exhibits no settling and no coagulum being formed.

18. The solventborne pigment paste (PP) comprising effect pigments according to claim 1 , wherein the solventborne pigment paste is effective to incorporate pigments into coating materials.

19. The solventborne pigment paste (PP) comprising effect pigments according to claim 1 , wherein the lamellar effect pigment (P) is an aluminum pigment.

20. The solventborne pigment paste (PP) comprising effect pigments according to claim 1 , wherein the effect pigment paste (PP) does not any comprise any pigment further to the lamellar effect pigment (P).

21. A solventborne pigment paste (PP) comprising effect pigments, wherein the solventborne pigment paste comprises, based in each case on the overall composition of the pigment paste (PP):

(A) 10% to 30% by weight of at least one lamellar effect pigment (P);

(B) 0.1% to 2.0% by weight of a waxlike compound (W);

(C) 0.1% to 3.0% by weight of cellulose acetobutyrate (CAB);

(D) 2.0% to 20% by weight of a polyester resin (PE) having a weight-average molecular weight of 2000 to 20,000 g/mol, an acid number of 3 to 50 mg KOH/g and a hydroxyl number of 30 to 500 mg KOH/g;

(E) 4.0% to 7% by weight of a melamine resin;

(F) 0.05% to 0.5% by weight of a urea-based thickener; and

(G) 30% to 80% by weight of organic solvents;

wherein the solventborne pigment paste is effective as an additive in production and tinting of a coating system.

22. The solventborne pigment paste (PP) comprising effect pigments according to claim 21 , wherein the solventborne pigment paste is effective to incorporate pigments into coating materials.

23. The solventborne pigment paste (PP) comprising effect pigments according to claim 21 , wherein (A), (B), (C), (D), (E), (F), and (G) add to 100%.

24. The solventborne pigment paste (PP) comprising effect pigments according to claim 23 , wherein upon storage at 25° C. for up to 3 months, the PP exhibits no settling and no coagulum being formed.

25. The solventborne pigment paste (PP) comprising effect pigments according to claim 21 , wherein the lamellar effect pigment (P) is an aluminum pigment.

26. The solventborne pigment paste (PP) comprising effect pigments according to claim 21 , wherein the effect pigment paste (PP) does not any comprise any pigment further to the lamellar effect pigment (A).