The invention pertains to flame retardant polyurethane foams prepared by the reaction of a polyoxyalkylene polyether polyol with toluene diisocyanate and a blowing agent wherein the flame retardant compound is selected from the group consisting of dicyandiamide, oxamide and biuret. The amount of flame retardant may range from about 25 weight percent to about 75 weight percent of the total composition.
本发明涉及通过聚氧亚烷基聚醚多元醇与
甲苯二异氰酸酯和发泡剂反应制备的阻燃聚
氨酯泡沫,其中阻燃剂化合物选自双
氰胺、草胺和双
脲组成的组。阻燃剂的用量可占整个组合物的约 25% 至约 75%。