| 3 | Scalable, Green Chain Transfer Agent for Cationic RAFT Polymerizations显示文摘Cationic polymerizations of vinyl ethers have gained recent attention due to their ability to produce robust,biorenewable materials.These developments have been largely enabled by the advent of cationic reversible addition−fragmentation chain-transfer(RAFT)polymerization;however,the scalability and sustainability of this method are hindered by current chain-transfer agents(CTAs),which exist as viscous,colored oils requiring complex syntheses and solvent-intensive purification.Herein,we produce a solid,colorless CTA through a green synthetic route in 83%yield on a 50-gram scale.We investigate the utility of this CTA in chemical,electrochemical,photochemical,and acid-initiated methods,revealing that it achieves efficient polymerization with excellent control over molecular weight,low dispersity values,high chain end fidelity,and temporal control in cationic RAFT polymerizations. | Scott W.Spring Chloe S.Cerione Jesse H.Hsu Shelby L.Shankel Brett P.Fors | 2023 | Chinese Journal of Chemistry2023，41，4： | 0 |
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