SEARCH Articles Figures Tables Butyl cation Butyl ether Butyl polymerization Cationic polymerization Cationic polymerization ethers Cationic polymerization polymerizations Cationic polymerization vinyl ethers Cationic vinyl ether Polymerization vinylic Vinyl cations Vinyl ether cations Vinyl ethers, polymerization Vinyl polymerization Vinylic cations