| abstract |
ThenThe invention relates to a method for producing a light,nSound insulating panel (1 '') for a body part of anMotor vehicle, in particular a light end wall paneling,nand such a panel (1 ''). The panel (1 '') isnas foamed,nSound-absorbing molding in a one-step operation bynInjecting a polyol and isocyanate-containing reaction mixtureninto a cavity of anfoaming toolngenerated, before and / or duringnthe injection at least a predetermined, the cavity delimitingnsurface areanof the foaming toolnis heated so that the foamed molding on one sidenan integral, substantially non-porous skin (1.1) with anThickness of at least 0.5 mm and on his, the saidnSkin (1.1) oppositenPage an open-pored surfacen(1.2) and / or thinner,nsound-permeablenSkin (1.4). |