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Preparation: Nylon-6 is prepared from caprolactam. Caprolactam is heated with water at about 533–543 K; the ring opens to give 6-aminohexanoic acid (ε-aminocaproic acid), which undergoes condensation polymerisation:

n (CH2)5(–NH–CO–) [caprolactam] + H2O —(533–543 K)→ n H2N–(CH2)5–COOH → –[NH–(CH2)5–CO]n– (Nylon-6) + water

Uses (any two): manufacture of tyre cords; ropes and fishing nets; fabrics (hosiery, carpets).

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report
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