Can PVC Be Weakened by Bronsted-Lowry Acids Due to Chlorine Protonation?

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PVC may exhibit vulnerability to Bronsted-Lowry acids due to the potential protonation of chlorine, which could destabilize its bonding and increase susceptibility to water attacks. This raises questions about the comparative resistance of PVC against other plastics in acidic environments. Additionally, there is curiosity about whether a benzene side chain in polystyrene would react with sulfuric acid, potentially forming poly(styrenesulfonic acid). The discussion highlights the need for further investigation into the chemical interactions of these materials under acidic conditions. Understanding these reactions is crucial for applications involving PVC and polystyrene in acidic environments.
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Is it possible that PVC may have a weakness to Bronsted-Lowry acids as compared to other plastics, because of the ability of these acids to protonate the chlorine (because of chlorine's non-bonding electrons), therefore leading to bonding instability and vulnerability to attacks by water? Or is this totally wrong...

Thanks for your help!

Matt
 
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As well: does anyone know whether a benzene side chain (such as the one in polystyrene) would be affected by Sulfuric acid? e.g. react to form poly(styrenesulfonic acid), or something else.

Thanks for your help!
 
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