There is provided herein a flame retardant additive composition comprising (a) a cyclic phosphonate mixture of (i) (5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl methyl ester of P-alkylphosphonic acid and (ii) bis[(5-ethyl-2-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl]ester of P-alkyl phosphonic acid; and, (b) an aryl bisphosphate ester of the general formula (I) herein. There is also provided herein a polyurethane foam containing the flame retardant additive composition as well as articles made comprising said polyurethane foam.
本文提供了一种阻燃添加剂组合物,该组合物包含(a) (i)(5-乙基-2-甲基-2-氧代-1,3,2-二氧
磷杂环戊烷-5-基)P-烷基
膦酸甲基酯和(ii)P-烷基
膦酸双[(5-乙基-2-甲基-2-氧代-1,3,2-二氧
磷杂环戊烷-5-基)甲基]酯的环状
膦酸盐混合物;(b) 本文通式(I)的芳基双
磷酸酯。本文还提供了一种含有阻燃添加剂组合物的聚
氨酯泡沫,以及由所述聚
氨酯泡沫制成的物品。