Kevlar, a polymeric aromatic amide, is synthesized from the monomers p-phenylenediamine

Chapter 18, Problem 18.185

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Kevlar, a polymeric aromatic amide, is synthesized from the monomers p-phenylenediamine (left) and terephthaloyl chloride (right). The polymer strands are initially aligned randomly, but they are dissolved and spun to give a lightweight, flexible product that is five times stronger than steel of the same weight. (a) Describe this step in terms of a Lewis acid-base reaction. (b) Would you expect water or ammonia to react faster with an acid chloride? Explain.

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