SETT ATT FRAMSTELLA POLYURETANSKUMPLASTER FRAN POLYISOCYANATER OCH DISPERSIONER AV POLYMERER INNEHALLANDE HOGMOLEKYLERA HYDROXYLFORENINGAR

摘要

The instant invention is directed to polyurethane foams and the process for their manufacture, wherein an organic polyisocyanate is reacted, in the presence of a blowing agent, with a dispersion of a polyurea and/or a polyhydrazodicarbonamide in a relatively high molecular weight organic compound containing at least one hydroxyl group.