On April 14, 2026, a significant advancement was achieved in the modification of polytetrafluoroethylene (PTFE), elevating this "king of plastics" from traditional non-stick coatings to a core material for high-end manufacturing. PTFE boasts exceptional heat resistance, chemical inertness, and low friction, yet its low surface energy, insufficient mechanical strength, and creep deformation have long limited wider applications. Researchers have overcome these drawbacks via three major pathways: surface modification to boost bondability, filler reinforcement with glass fiber, carbon fiber, and graphene to enhance mechanics and thermal conductivity, and polymer blending for synergistic performance. Modified PTFE now serves as a critical material in 5G/6G communications, new energy vehicles, semiconductors, aerospace, and medical devices, supporting high-frequency circuits, extreme-condition seals, and biocompatible implants. Moving forward, green processing, ultra-high performance, and smart multi-functionalization will dominate development, continuously empowering breakthroughs in high-tech industries.
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