Question: Polyararrud is a term applied ro polyamides containing aromatic groups. These polymers were originally made for use as tire cords but have since found many

Polyararrud is a term applied ro polyamides containing aromatic groups. These polymers were originally made for use as tire cords but have since found many other uses.
a. Kevlar is used in bulletproof vests and many high-strength composites. The structure of Kevlar is

Which monomers are used to make Kevlar?
b. Nomex is a potyaramid used in fire-resistant clothing. It is a copolymer of

Draw the structure of the Nomex polymer. How do the structures of Kevlar and Nomex differ?

NH2 HO2C CO2H and

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