Interpretation:
Para-methoxystyrene undergoes cationic
Concept introduction:
Polymerization is a reaction when monomer molecules are reacted to form a
- Cationic polymerization
- Radical polymerization
- Anionic polymerization
Cationic polymerization is the polymerization of the monomer (vinyl) with strong electron donating groups. In this method cationic initiator transfers charge to the monomer which becomes active and further propagates with another molecules. If the electron donating group is present in the ortho or para position it stabilizes the formed positive charge than the same group present in meta position.
Anionic polymerization is the polymerization of the monomer (vinyl) with strong electron-withdrawing groups (electronegative groups). In this polymerization carbanion is the active species.
Radical polymerization is a type of polymerization where the reaction occurs by successive addition of free-radicals.
To explain: To explain why para-methoxystyrene undergoes cationic polymerization rapidly than meta-methoxystyrene
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