By the means of WAXD, SEM, LOI, DSC and DTA, the PAN fibers blended with the flame retardant additives, FR and Sb_2O_3, in Various proportions have been investigated.

• 本研究采用广角x射线衍射、扫描电子显微镜、氧指数测定和热分析等方法,对添加不同量含溴阻燃剂FR和协同剂Sb_2O_3的共混阻燃PAN纤维的结构和性能进行分析。