Polymers can be cross-linked using a variety of reactions that create connections between different parts of the same polymer chain. Consider the repeat unit of the polystyrene derivative shown below.The homopolymer formed from this monomer has a low ceiling temperature (meaning it readily reverts to its monomers) and is unstable. It can be cross-linked by adding the terephthaloyl chloride (shown below) and AlCl3. Modify the structures provided to draw the result of the reaction of one repeat unit of the polymer with one unit of this cross-linking compound. Do not include lone pairs.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter23: Polymeric Materials And Soft Condensed Matter
Section: Chapter Questions
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Polymers can be cross-linked using a variety of reactions that create connections between different parts of the same polymer chain. Consider the repeat unit of the polystyrene derivative shown below.The homopolymer formed from this monomer has a low ceiling temperature (meaning it readily reverts to its monomers) and is unstable. It can be cross-linked by adding the terephthaloyl chloride (shown below) and AlCl3. Modify the structures provided to draw the result of the reaction of one repeat unit of the polymer with one unit of this cross-linking compound. Do not include lone pairs. 

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