| abstract |
Compositions suitable for producing polyurethane foams comprising at least one OH-functional compound (OHV) obtainable by the partial or complete hydrogenation of ketone-aldehyde resins, where the OH-functional compound comprises at least one structural element of the formula (1a) and optionally of the formulas ( 1b) and / or (1c), where R = aromatic with 6-14 carbon atoms, (cyclo) aliphatic with 1-12 carbon atoms, R 1 = H, CH 2 OH, R 2 = H, or a radical of the formula (CH 2 -CH (R ') O-) yH with R' is hydrogen, methyl, ethyl or phenyl and y = 1 to 50, k = 2 to 15, preferably 3 to 12, particularly preferably 4 to 11 m = 0 to 13, preferably 0 to 9 I = 0 to 2 wherein the sum of k + l + m is between 5 and 15, preferably between 5 and 12, and k> m are described. |