In the step-growth polymerization to form Nylon-6,6, adipic acid is used as the diacid monomer. How — Polymers Chemistry Question
Question
In the step-growth polymerization to form Nylon-6,6, adipic acid is used as the diacid monomer. How many methylene ($-CH_2-$) groups are present in a single molecule of adipic acid?
Answer: 4
💡 Solution & Explanation
Adipic acid is hexanedioic acid. Its structural formula is $HOOC-(CH_2)_4-COOH$. Therefore, it contains exactly 4 central methylene ($-CH_2-$) groups separating the two carboxylic acid functional groups.
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