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Analysis of the Polymer Type of Nylon 6 (Polyamide 6) 1. Chemical Nature Repeating Unit Characteristics: The Nylon 6 molecular chain is composed of amide bonds (-CONH-) and 5 methylene groups (-CH₂-) in a repeating cycle, belonging to the linear polyamide family. Polymerization Mechanism: Formed through the ring-opening polymerization of caprolactam (different from the dual-monomer condensation polymerization of Nylon 66 ). 2. Material Category Thermoplastic: Can be heated and molded multiple times (injection molding/extrusion), and waste can be recycled. Semi-crystalline Polymer: During cooling,...
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