SEARCH Articles Figures Tables Anionic initiation Anionic initiators Anionic polymerization initiator Anionic polymerization reagents Anionic reagents Anionic ring opening Anionic ring-opening polymerization Anionically initiated polymerizations Anions initiating Initial reagents Initiator polymeric Initiators anions Polymerization by Anionic Initiators Ring anionic Ring initiators