研究了聚碳酸亚环己酯(二氧化碳-氧化环己烯共聚物,简称PCHC)的非等温热分解行为的影响因素,并对热分解反应动力学及机理进行了研究.结果表明,碳酸酯键含量和升温速率等都对PCHC的热分解行为有较大影响;高交替度的PCHC在350℃左右完全分解,不残留炭黑,具有优良的热分解性能.用Flynn-Wall-Ozawa和Kinssinger两种方法求得PCHC的热分解反应的表现活化能分别为144.5l kJ/mol和143.23 kJ/mol.并结合Coats-Redfrn方法证明了PCHC的热分解为随机核化机理.
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