Abstract
High-performance polymers (HPPs) represent a class of materials known for their exceptional thermal stability, mechanical strength, and chemical resistance. These polymers, including polyimides, polyetheretherketones (PEEK), and polybenzoxazoles, are crucial in aerospace, electronics, and biomedical industries. This paper reviews advanced synthesis techniques—such as step-growth polymerization, ring-opening polymerization, and sol-gel processing—tailored for HPPs. Furthermore, it discusses characterization methods like spectroscopy, thermal analysis, and microscopy, which are essential for evaluating polymer structure-property relationships. Finally, the study addresses key challenges in processability and outlines future directions for tailoring polymers at the molecular level for specific performance criteria.
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