Essential Chemistry for IGCSE - Polymers (Section 1 - No. 47)
What is the general formula for the formation of a polyamide?
Acid + Alcohol -> Ester + Water
Acid + Amine -> Amide + Water
Alcohol + Alcohol -> Ether + Water
Ester + Amine -> Amide + Alcohol
Shpjegimi
Polyamides, like nylon, are formed by the reaction of a carboxylic acid and an amine, with the elimination of water (condensation reaction).