| abstract |
The invention relates to foamable preparations comprising siloxane (A) of formula V-(NHC(O)R 1 R 2 ) p-m-n (NHC(O)R 1 R 4 [SiR 2 O] a-SiR 2 R 4 R 1 H) m (NHC (O) NR 5 n 2 ) n (I), polyisocyanate (B), and organopolysiloxane resins (C), wherein the radicals and indices have the meanings indicated in claim 1, polyurethane foams comprising silicone, in particular molding foams, having low density, and to a method for producing same. |