Pigment Disperser And Easily Dispersed Solid Pigment Preparations

A solid pigment preparation comprising

• (a) 5% to 99% by weight of at least one pigment,
• (b) 1% to 95% by weight of a copolymer consisting of the following structural units:
• 0 to 20 mol % of structural unit A
• 0 to 20 mol % of structural unit B
• 1 to 79 mol % of structural unit C
• 1 to 79 mol % of structural unit D
• and
• 20 to 80 mol % of structural unit E
• wherein
• R1 and R2 are each independently hydrogen, methyl or methylene,
• a, b are each zero or one and a+b is one,
• R3 is C1-C40-alkyl, C5-C30-cycloalkyl, C6-C30-aryl, C1-C4-alkylene-C6-C30-aryl, C3-C30-hetaryl, C1-C4-alkylene-C3-C30-hetaryl or C2-C40-alkenyl,
• X and Y are each independently —OH, NR4R5, or —O−N+H2R4R5,
• R4 and R5 are each independently hydrogen, R3 or R,
• R is
• Z is C2-C4-alkylene,
• n is a number between 1 and 1000,
• R6 is hydrogen, C1-C30-alkyl, C5-C12-cycloalkyl or C6-C30-aryl,
• R7 is hydrogen or C1-C4-alkyl,
• R8 is hydrogen or C1-C4-alkyl, and
• R9 is C1-C60-alkyl or C6-C10-aryl;
• and
• (c) 0 to 10% by weight of an auxiliary selected from the group consisting of fillers, flame retardants, preservatives, photoprotectants, pigmentary dispersants, nonpigmentary dispersants, surfactants, antioxidants, defoamers, resins, antistats, each based on the total weight of the pigment preparation.