Patent ID: 7019061

Claim:
A composition comprising at least one polyurethane which contains, as incorporated units, a) at least one diisocyanate, b) at least one polytetrahydrofuran having two active hydrogen atoms per molecule and c) at least one compound of the formula I R 1 —Z 1 (I) where R 1 is C 8 - to C 30 -alkyl, C 8 - to C 30 -alkenyl, aryl-C 6 –C 22 -alkyl or aryl-C 6 –C 22 -alkenyl, the alkenyl groups having 1, 2, 3 or 4 nonneighboring double bonds, and Z 1 is OH, SH or NHR 2 , where R 2 is hydrogen, C 1 - to C 6 -alkyl or C 5 - to C 8 -cycloalkyl and additionally at least one component which is selected from d) polysiloxanes having at least two active hydrogen atoms per molecule, e) compounds which differ from a) to d), have a molecular weight of from 56 to 600 and contain two active hydrogen atoms per molecule and mixtures thereof, as a component of a homogeneous or heterogeneous composition which contains at least one water-soluble compound liquid at 20° C. for modifying the rheological properties of this composition.