PROCESS FOR PREPARING COLD MOULDABLE POLYURETHANE SOLID FOAMY MATERIALS WITH OPENED PORES AND THEIR UTILIZATION FOR THE MANUFACTURE OF CAR ROOF LOWER CEILINGS

摘要

The foam is prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates with a polyol component consisting of difunctional and / or trifunctional hydroxyl-containing polyethers, difunctional phthalic acid polyester, glycerol, water, a built-in tertiary amine catalyst and foam stabilizer. The foam is used for the production of car roof ceilings