主链由醚键和酮键交替形成的高分子聚合物。
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.
熔融温度升高时，聚醚醚酮的结晶峰强度减弱，峰宽增加；而冷结晶峰温度提高。
With increasing melting temperature, the cold crystallization peak temperature increases, the crystallization peak strength of PEEK weakens and the peak width increases.
熔融时间延长时，聚醚醚酮的玻璃化转变温度和冷结晶峰温度均提高，熔融峰强度减弱。
On the other hand, both the glass temperature and cold crystallization peak temperature of PEEK increases and melting peak strength decreases while the melting time becomes longer.
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