Polymerizable composition containing a) at least one polyisocyanate having isocyanate groups selected from the group consisting of aliphatically, cycloaliphatically, araliphatically and aromatically bonded isocyanate groups; and b) at least one compound of formula wherein R 1 and R 2 are independently of one another selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, branched C5-alkyl, unbranched C5-alkyl, branched C6-alkyl, unbranched C6-alkyl, branched C7-alkyl and unbranched C7-alkyl; R 5 is selected from the group consisting of propylene, butylene, pentylene and a radical of formula, preferably from butylene and the radical of formula; wherein A in formula is selected from the group consisting of O, S and NR 3, wherein R 3 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl and isobutyl; and B is independently of A selected from the group consisting of OH, SH NHR 4 and NH 2, wherein R 4 is selected from the group consisting of methyl, ethyl and propyl; wherein the ratio of isocyanate groups to isocyanate-reactive groups in the polymerizable composition is at least 2:1 and at least 80% of the isocyanate groups present in the polymerizable composition are aliphatically, cycloaliphatically or araliphatically bonded and N, N, N'-trimethylaminoethylethanolamine is excluded from the scope of protection of the claims. a) at least one polyisocyanate having isocyanate groups selected from the group consisting of aliphatically, cycloaliphatically, araliphatically and aromatically bonded isocyanate groups; and b) at least one compound of formula wherein R 1 and R 2 are independently of one another selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, branched C5-alkyl, unbranched C5-alkyl, branched C6-alkyl, unbranched C6-alkyl, branched C7-alkyl and unbranched C7-alkyl; R 5 is selected from the group consisting of propylene, butylene, pentylene and a radical of formula, preferably from butylene and the radical of formula; wherein A in formula is selected from the group consisting of O, S and NR 3, wherein R 3 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl and isobutyl; and B is independently of A selected from the group consisting of OH, SH NHR 4 and NH 2, wherein R 4 is selected from the group consisting of methyl, ethyl and propyl; wherein R 1 and R 2 are independently of one another selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, branched C5-alkyl, unbranched C5-alkyl, branched C6-alkyl, unbranched C6-alkyl, branched C7-alkyl and unbranched C7-alkyl; R 5 is selected from the group consisting of propylene, butylene, pentylene and a radical of formula, preferably from butylene and the radical of formula; wherein A in formula is selected from the group consisting of O, S and NR 3, wherein R 3 is selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, butyl and isobutyl; and B is independently of A selected from the group consisting of OH, SH NHR 4 and NH 2, wherein R 4 is selected from the group consisting of methyl, ethyl and propyl;