SEARCH Articles Figures Tables Acid initiation Acids protonic Cation acidity Cation initiating Cationic initiation Cationic initiators Cationic polymerization Cationic polymerization initiation Cationic polymerization polymerizations Cationic polymerization protonic acids Cationic-initiated polymerization Initiator cationic polymerization Initiator polymeric Polymerization proton acid-initiated Proton acids Protonic initiation