A composition for making a polyurethane foam includes a non-fugitive tertiary amine urethane catalyst and an alkylated polyamine crosslinking additives. Foams prepared from the reaction of a polyol and an organic isocyanate in the presence of these ingredients show improved resistance to deterioration of physical properties upon humid aging.
一种制备聚
氨酯泡沫的配方包括非挥发性三级胺
脲催化剂和烷基化聚胺交联添加剂。在这些成分的存在下,聚醚和有机
异氰酸酯反应制备的泡沫在湿度老化时显示出改善的物理性能耐久性。