Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations

An aqueous pigment formulation which comprises about 5 to about 80 parts by weight of a pigment, 0 to about 20 parts by weight of a dispersing resin, about 0.1 to about 5 parts by weight of at least one auxiliary and/or additive, 0 to 20 parts by weight solvent about 3 to about 50 parts by weight of at least one organofunctional modified polysiloxane of the general formula

• in which
• R is in each case identical or different and is R1 or —CH3,
• R1 is —(CH2)e—O —(CH2—CH(Ph)—O)e—(CnH2n-xR2x—O)d—R3 wherein e is ≧1, or
• R1 is at least one —(CH2)c—O—(CH2—CH(Ph)—O)e—(CnH2n-xR2x—O)d—R3 and is at least one —CH2—CHR*—Ph wherein e is 0 or >1, with the proviso that if e is 0 the value of b is an integer >1;
• R* is H or —CH3,
• R2 is an alkyl residue having 1 to 5 carbon atoms,
• Ph is a phenyl derivative having the general formula
• —(C6H5-yR4y)—
• in which
• R4 is a hydroxyl residue, an alkyl residue or an alkoxy residue, and
• y is from 0 to 5,
• R3 is hydrogen, an alkyl chain, a benzyl residue, an alkyl-substituted benzyl residue, a group COR5 with a residue R5 which has an alkyl chain, a group CONHR6 with a residue R6 which comprises a hydrogen atom or an alkyl chain, or CO2R7, wherein R7 is alkyl chain,
• c is from 2 to 6,
• d is from 3 to 70,
• n is from 2 to 4,
• x is 0 or 1,
• a is from 0 to 100,
• b is from 1 to 100,
• with the proviso that a+b=1 to 100;
• and
• the remainder water.