The incombustibility of the military rigid polyurethane (PU) foam materials was studied.The optimum formula of compound flame retardant was determined by screening and orthogonal test.

• 为提高军用聚氨酯硬质泡沫迷彩伪装材料的阻燃性能,对各种阻燃剂进行了筛选并进行正交复配试验,确定了复配阻燃剂的最佳配方。