以无卤磷系阻燃荆双酚A-双(5,5-二溴甲基-1,3-二氧杂己内磷酸酯)(FR)制备了阻燃环氧树脂(EP)复合材料,并测定了阻燃EP的阻燃性能.由锥形量热仪(CONE)测定的释热速率(HRR)、释热总量(THR)、质量损失速率(MLR)、生烟量(TSP)及有毒气体释放量等阻燃参数表明,当复合材料中FR含量为20%时,阻燃EP与纯EP相比,HRR,THR,MLR及SEA分另1降低了70.9%,49.6%,90.8%及59.4%,呈现出良好的阻燃效果和抑烟性能;扫描电子显微镜(SEM)观测发现,经FR阻燃的EP在燃烧时形成了由封闭孔洞构成的均匀闭孔炭层.
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