Preparation, comprising at least one conversion product obtainable by reacting at least one compound of the formula and/or wherein R 1 is -X-Y-Z or -Z with X = -(CH 2) n" -, Y = Z=-(CH 2) m -CH 3, R 2 is R 3 is -X-Y-Z, -Z or -Y-Z, with the provision that in the case of the meaning of -Y-Z n is replaced by n" in residue R 2, R 4 is -X-Y-Z or -(CH 2) n' H, B 1 is -V-W-Z or -Z, with V = -(CH 2) n" - or W = B 2 is -(CH 2) n" -NH 2, or B 3 is -V-W-Z, -Z or B 4 is -V-W-Z or Q is -(CH 2) n" - and n, n', n", n'" and m are each independently an integer, with n = 0-2, n' = 0-4, n" = 1-4, n'" = 0-4 and m = 8-30, preferably 10-26, more preferably 10-22, with at least one unblocked or at least partially blocked di-, tri- or polyisocyanate, wherein the proportion of free isocyanate groups in the polyisocyanate is between 1.8 and 10 per mole, at least one copolymer comprising at least one building block of the formula wherein L is and/or and/or wherein R 5 is -H or -CH 3, R 6 is a C 12 -C 40 hydrocarbon residue, R 7 is a linear or branched aliphatic C 1 -C 8 hydrocarbon residue, U is -O- or -NH-, R 8 is or -CH 2 -(CH 2) p -OH, and k and p are each independently an integer with k = 1-5 and p = 0-10. optionally at least one unblocked or at least partially blocked di-, tri- or polyisocyanate, optionally water and/or at least one organic solvent and optionally at least one surface-active substance at least one conversion product obtainable by reacting at least one compound of the formula and/or wherein R 1 is -X-Y-Z or -Z with X = -(CH 2) n" -, Y = Z=-(CH 2) m -CH 3, R 2 is R 3 is -X-Y-Z, -Z or -Y-Z, with the provision that in the case of the meaning of -Y-Z n is replaced by n" in residue R 2, R 4 is -X-Y-Z or -(CH 2) n' H, B 1 is -V-W-Z or -Z, with V = -(CH 2) n" - or W = B 2 is -(CH 2) n" -NH 2, or B 3 is -V-W-Z, -Z or B 4 is -V-W-Z or Q is -(CH 2) n" - and n, n', n", n'" and m are each independently an integer, with n = 0-2, n' = 0-4, n" = 1-4, n'" = 0-4 and m = 8-30, preferably 10-26, more preferably 10-22, with at least one unblocked or at least partially blocked di-, tri- or polyisocyanate, wherein the proportion of free isocyanate groups in the polyisocyanate is between 1.8 and 10 per mole, wherein R 1 is -X-Y-Z or -Z with X = -(CH 2) n" -, Y = Z=-(CH 2) m -CH 3, R 2 is R 3 is -X-Y-Z, -Z or -Y-Z, with the provision that in the case of the meaning of -Y-Z n is replaced by n" in residue R 2, R 4 is -X-Y-Z or -(CH 2) n' H, B 1 is -V-W-Z or -Z, with V = -(CH 2) n" - or W = B 2 is -(CH 2) n" -NH 2, or B 3 is -V-W-Z, -Z or B 4 is -V-W-Z or Q is -(CH 2) n" - and n, n', n", n'" and m are each independently an integer, with n = 0-2, n' = 0-4, n" = 1-4, n'" = 0-4 and m = 8-30, preferably 10-26, more preferably 10-22, at least one copolymer comprising at least one building block of the formula wherein L is and/or and/or wherein R 5 is -H or -CH 3, R 6 is a C 12 -C 40 hydrocarbon residue, R 7 is a linear or branched aliphatic C 1 -C 8 hydrocarbon residue, U is -O- or -NH-, R 8 is or -CH 2 -(CH 2) p -OH, and k and p are each independently an integer with k = 1-5 and p = 0-10. R 5 is -H or -CH 3, R 6 is a C 12 -C 40 hydrocarbon residue, R 7 is a linear or branched aliphatic C 1 -C 8 hydrocarbon residue, U is -O- or -NH-, R 8 is or -CH 2 -(CH 2) p -OH, and k and p are each independently an integer with k = 1-5 and p = 0-10. optionally at least one unblocked or at least partially blocked di-, tri- or polyisocyanate, optionally water and/or at least one organic solvent and optionally at least one surface-active substance