聚芳醚酮（PAEK）是一类主链由芳环和醚键、酮键交替连接而成的高性能半结晶热塑性树脂，具有耐高温（长期使用温度可达 260℃）、耐强化学腐蚀、机械强度高、阻燃性好、尺寸稳定性优异等综合性能，是目前综合性能最优异的工程塑料之一，已广泛应用于航空航天、医疗设备、半导体、新能源汽车、人形机器人及低空经济等高端领域。按照分子结构差异划分，PAEK 树脂主要可分为聚醚醚酮（PEEK）、聚醚酮酮（PEKK）、聚醚酮（PEK）及聚醚醚酮酮（PEEKK）四大类，其中 PEEK 是目前应用最广泛、产量最大的品种。
现阶段中国 PAEK 树脂材料行业的发展正受到多重因素驱动：全球高端制造产业链向中国大陆转移，航空航天、半导体等领域对高性能材料的需求激增；国家对关键战略材料自主可控的政策扶持加速了国产替代进程，逐步打破国外企业长期垄断的局面；医疗领域植入器械需求快速增长，医用级 PAEK 材料的临床应用不断拓展；同时，人形机器人、低空经济等新兴下游领域的爆发式增长为行业带来了新的增量空间。整体来说，高端制造升级需求拉动、国产替代政策深化落地、下游新兴领域爆发是推动中国 PAEK 树脂材料市场规模持续增长的核心驱动力。
Polyaryletherketone (PAEK) is a class of high-performance semi-crystalline thermoplastic resins whose backbone consists of alternating aromatic rings, ether linkages, and ketone linkages. It possesses comprehensive properties including high temperature resistance (long-term service temperature up to 260°C), excellent resistance to strong chemical corrosion, high mechanical strength, good flame retardancy, and outstanding dimensional stability. As one of the engineering plastics with the most comprehensive superior performance available today, PAEK has been widely applied in high-end fields such as aerospace, medical devices, semiconductors, new energy vehicles, humanoid robots, and low-altitude economy. Based on differences in molecular structure, PAEK resins are primarily divided into four major categories: polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyetherketone (PEK), and polyetheretherketoneketone (PEEKK), among which PEEK is currently the most widely used and highest-yielding variety.
At present, the development of China's PAEK resin materials industry is driven by multiple factors: the global shift of high-end manufacturing industrial chains to mainland China has triggered a surge in demand for high-performance materials in sectors such as aerospace and semiconductors; national policy support for the self-sufficiency of key strategic materials has accelerated the domestic substitution process, gradually breaking the long-term monopoly held by foreign enterprises; the rapid growth in demand for implantable devices in the medical field has continuously expanded the clinical applications of medical-grade PAEK materials; meanwhile, the explosive growth of emerging downstream sectors such as humanoid robots and low-altitude economy has brought new incremental space for the industry. Overall, the demand pull from high-end manufacturing upgrading, the deepening implementation of domestic substitution policies, and the outbreak of emerging downstream fields are the core drivers for the sustained growth of China's PAEK resin materials market size.
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