4. Isobutylene undergoes cationic polymerization in the presence of strong Lewis acids like AICI, but it...
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4. Isobutylene undergoes cationic polymerization in the presence of strong Lewis acids like AICI, but it is not polymerized by free radicals or anionic initiators. Acrylonitrile, on the other hand, is polymerized commercially by free radical means also by anionic initiators like potassium amide but does not respond to cationic initiators. Explain this difference in behavior of isobutylene and acrylonitrile in terms of monomer structure and what intermediates would be formed under each polymerization condition. CN Isobutylene Acrylonitrile 4. Isobutylene undergoes cationic polymerization in the presence of strong Lewis acids like AICI, but it is not polymerized by free radicals or anionic initiators. Acrylonitrile, on the other hand, is polymerized commercially by free radical means also by anionic initiators like potassium amide but does not respond to cationic initiators. Explain this difference in behavior of isobutylene and acrylonitrile in terms of monomer structure and what intermediates would be formed under each polymerization condition. CN Isobutylene Acrylonitrile
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