The flame-retardant thermoplastic polyurethane elastomer composition of the present invention includes a thermoplastic polyurethane elastomer, (A) a (poly)phosphate compound represented by general formula (1), (B) a (poly)phosphate compound represented by general formula (3), and (C) silicon dioxide. The composition preferably contains (D) zinc oxide. Symbols n, X1, and p in formula (1) and r, Y1, and q in formula (3) are as defined in the description.
本发明的阻燃性热塑性聚
氨酯弹性体组合物包括热塑性聚
氨酯弹性体、(A) 通式(1)代表的(多)
磷酸化合物、(B) 通式(3)代表的(多)
磷酸化合物和(C)
二氧化硅。组合物最好含有 (D)
氧化锌。式(1)中的符号 n、X1 和 p 以及式(3)中的符号 r、Y1 和 q 如说明中所定义。