poly(ether-ketone-ketone)；PEKK 是在主链结构中含有两个酮键和一个醚键的重复单元所构成的高聚物，属特种高分子材料。具有耐高温、耐化学药品腐蚀等物理化学性能，是一类结晶高分子材料，熔点大于300℃，软化点168℃，拉伸强度132～148MPa，可用作耐高温结构材料和电绝缘材料，可与玻璃纤维或碳纤维复合制备增强材料。典型的结构通式为,一般采用与芳香族二元酚缩合而得的一类聚芳醚类高聚物。
研究结果表明，在未经有机化处理的情况下，纳米碳管以纳米结构状态分散在基体中，显著地提高了聚醚酮酮的耐热性能，降低了其熔点。
The experimental results show that CNTs dispersed in matrix in the scale of nanometer without chemical processing, then thermal property of PEKK was improved obviously and its melting point reduced.
用挤出方法制备了新型聚芳醚酮（PEK-C）和聚醚醚酮（PEEK）共混物。对共混体系的相容性、转变、结晶结构及力学性能等进行了研究。
The compatibility, crystalline structure, transitions and some mechanical properties of PEK-C/PEEK blends were studied by DMS, DSC, X-ray diffraction and Instron.
本文综合了90年代以来聚醚醚酮共混的一些工作，综述了第二组分对聚醚醚酮结晶的影响。
This paper deals with some works that have been done in the PEEK blending since1990, the influences of the second component on the crystallization behaviors of PEEK are reviewed.
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