采用热重分析仪研究了固相缩聚后SA型透明聚酰胺(简称SATPA)的热降解过程,并用Kissinger方法、Flynn-Wall-Ozawa方法,Coats-Redfern方法联合对其热降解机理进行了探讨.研究结果表明,固相后缩聚SATPA起始热降解温度均在440℃左右,其热稳定性良好.在氮气气氛中,固相后缩聚SATPA的热降解反应为一步反应,热降解机理为一维相界控制反应.
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