Cationic polymerization initiated by super acid

Microsystem Controlled Cationic Polymerization of Vinyl Ethers Initiated by CF₃SO₃H.
Iwasaki, T.; Nagaki, A.; Yoshida, J.
Chem. Commun. 2007, 1263–1265.
DOI: 10.1039/b615159k

Cationic polymerization initiated by TfOH was achieved