通过己内酯和氨基己酸开环、缩合反应制备了酯段含量为81％的线性聚酯酰胺(PEA),并用熔融共混的方法制备了PEA/聚碳酸亚丙酯(PPC)共混物,考察了PEA的引入对共混体系相容性、热力学稳定性和机械性能的影响.结果表明,PEA与PPC之间有较好的相容性,共混物的热力学稳定性比PPC有显著提高,当PEA质量分数为3％时,共混体系的起始分解温度(T-5％)和最大分解速率时的温度(Lmax)比PPC分别提高了52.7％和46.4％.通过调节PEA的含量可以使共混体系同时达到增强和增韧的效果.
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