Simultaneous Cationic/PET-RAFT Copolymerization Combining Photoredox Catalyst and Lewis Acid

摘要

Recently, we have reported the interconvertible controlled cationic and radical copolymerization of methyl acrylate (MA) and isobutyl vinyl ether (IBVE) via dual activation of dormant RAFT terminal using a radical initiator and a Lewis acid. In this study, the photo-switchable interconvertible cationic/radical copolymerization was investigated via photoinduced electron transfer (PET) RAFT polymerization using photoredox catalysts zinc porphyrin complex (ZnTPP) under red light irradiation in place of radical source (Scheme 1).