综述了一步法、二步法形成聚酰亚胺反应的机理和模型方程研究进展.形成聚酰亚胺的化学反应包括酰胺化反应和亚胺化反应,其反应机理和动力学模型因反应条件、加工方法不同而不同.形成四面体形中间产物的无催化机理和二级级数模型可用来描述酰胺化反应,活化态理论认为亚胺化过程中反应基团有活化和非活化两种状态,只有当反应基团处于活化态时才能发生亚胺化反应.一步法形成聚酰亚胺的过程中,二酐的存在已被证实,反应/扩散模型能够合理地预测反应程度随时间、温度的变化情况.
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