Poly(ether ether ketone) (PEEK), a high-performance engineering plastic, was investigated to evaluate how its aggregation structure is influenced by crystallization pathway, cold crystallization and melt crystallization, and temperature affect. The degree of crystallinity increased with increasing crystallization temperature, while crystallographic lattice distortion decreased, regardless of the crystallization pathway. These results indicate that crystallization temperature plays a more dominant role than the pathway in determining the structure. The findings highlight the importance of thermal molecular motion during crystallization and provide valuable insights for optimizing the processing and design of semicrystalline engineering plastics.
- Tatsuki Abe
- Chihiro Ikeda
- Keiji Tanaka
