The flame-retardant urethane resin composition contains a polyisocyanate compound, a polyol compound, a trimerization catalyst, a blowing agent, and an additive, wherein the additives include red phosphorus and a filler, and the filler has an aspect ratio of 5 to 50, an average particle diameter of 0.1 µm or larger, but smaller than 15 µm, and a melting point of 750°C or higher.
阻燃聚
氨酯
树脂组合物包含一种多
异氰酸酯化合物、一种多元醇化合物、一种三聚催化剂、一种发泡剂和一种添加剂,其中添加剂包括红
磷和一种填料,填料的长径比为 5 至 50,平均颗粒直径为 0.1 微米或更大,但小于 15 微米,熔点为 750°C 或更高。