采用双酚A双(二苯基)磷酸酯(BDP)/三聚氰胺尿酸盐(MCA)/3.5水硼酸锌(ZnB)复合阻燃剂制备了无卤阻燃的聚苯醚电线电缆专用料,对材料的阻燃性能、热稳定性、残炭结构及力学性能进行了研究,并对阻燃机理进行了讨论.实验结果表明,复合阻燃剂的加入改变了燃烧后残炭的结构,提高了材料的阻燃性能,材料的极限氧指数(LOI)从未加阻燃剂的24.5提高到29.4,水平燃烧级别从FH-3.37mm/min提高到FH-1,但材料的力学性能出现不同程度的降低.
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