将自合成的一种新型台磷阻燃剂DPWDF与PC/ABS共混;利用热重分析(TGA)法研究了PC/ABS和阻燃PC/ABS在空气氛围中的热稳定性.利用Flynn-Wall-Ozawa方法研究了PC/ABS及阻燃PC/ABS的热降解动力学.结果表明,阻燃剂降低了PC/ABS初始分解温度(IDT)而提高了它的高温残炭量;在转化率70%以前,阻燃PC/ABS的活化能低于PC/ABS,而在转化率70%以后,阻燃PC/ABS的活化能高于PC/ABS.此实验结果体现了该含磷阻燃剂的凝聚相阻燃机理.
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