| abstract |
The use of linked siloxane block polymers of general average formula (I) M a M 1 b D c D 1 d T e Q f G g as an additive in the production of PUR foam using at least one polyol component and at least one isocyanate component, wherein the total polyol used has an average hydroxyl number, determined according to DIN 53240-1: 2012-07, of> 56 to <450 mg KOH / g, preferably from 57 to 300 mg KOH / g, and wherein the preparation of the polyurethane foam at an isocyanate index of 65 to 108, is described. |