What is the polymer created by reacting sulfanilic acid in PCl5

Also, why does p-acetamidobenzenesulfonyl chloride
not produce a polymer?

Thanks.

What is the polymer created by reacting sulfanilic acid in PCl5?
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The product (before polymerization) is H2N-C3H4-SO2Cl, and the polymer is

~~~(-NH-C6H4-SO2-)n~~~

where n is a fairly large number.
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Also, why does p-acetamidobenzenesulfonyl chloride not produce a polymer?

It does not produce a polymer because the
p-acetamido group is unreactive, and cannot produce a chain polymer like the first one.