| abstract |
Compositions suitable for production of polyurethane foams, comprising at least one OH-functional compound (OHC) obtainable by the partial or complete hydrogenation of ketone-aldehyde resins, wherein the OH-functional compound contains at least one structural element of the formula (1a) and optionally of the formulae (1b) and/or (1c), n n n n n n n n n n withn 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—) y —Hn nwhere R′ is hydrogen, methyl, ethyl or phenyl and y=1 to 50,n k=2 to 15, preferably 3 to 12, more preferably 4 to 11, m=0 to 13, preferably 0 to 9, l=0 to 2,n nwhere the sum of k+1+m is from 5 to 15, preferably from 5 to 12, and k>m, are described. |