| 摘要 |
(Co)polymers which contain a) structural units of the general formula I in which W represents a trivalent radical from the group in which * indicates the orientation for the incorporation of the radical W into the formula I, and Z represents the radicals -OH, -O<->M<+> or -N-R<1>R<2>, in which R<1 >and R<2>, independently of one another, represent hydrogen, optionally substituted alkyl radicals, alkenyl radicals, aralkyl radicals or cycloalkyl radicals, which may be interrupted by 0 atoms, N atoms, Si atoms or amido, carbonate, urethane, urea, allophanate, biuret or isocyanurate groups or mixtures thereof, and M<+> represents H<+> or an alkali metal ion, an NH4 ion or a primary, secondary, tertiary or quaternary aliphatic ammonium radical which preferably carries a C1-C22-alkyl or C1-C22-hydroxyalkyl group, b) at least 10 mol %, based on the units of the formula I, of structural units of the general formula Ia in which R<3 >represents a hydrocarbon radical having C1-C60-atoms, preferably a saturated C1-C60-alkyl radical, in particular C12-C30-alkyl radical, and R<4 >represents hydrogen or has the same meaning as R<3>, and e) polyether units having an average molecular weight of 200-6000 g/mol.
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