Nylon threads are made up of

Polyamide polymers are the amide linkage polymer formed by the condensation of amine group and carbonyl group. The repeated amide linkage (-CONH) can be seen in the structure of nylon-6 or nylon-6, 6 or nylon threads. Thus, the correct option is-(c) polyamide polymer. 12. Which one of the following is not correctly matched (a) Neoprene (b) Nylon-6,6 (c) Terylene (d) PMMA Terylene is a polymer of ethylene glycol and terephthalic acid. The Terylene is as shown below, Hence, the given Terylene structure is incorrect. Thus, (c) is the correct option.