Continuous synthesis of grafted polyesters through successive photocontrolled BIT-RDRP and ROP strategies in flow tube reactors

Abstract

Graft copolymer is of great interest for its unique physicochemical properties, and has been extensively applied in many fields. In this work, a facile and efficient strategy for preparing grafted...

Microreactor-Based Green Synthetic Platform for Flow Synthesis of Biodegradable Polymers

“…Cheng, Zhang, He, and co-workers combined the TBD catalzyed ROP and photocontrolled bromine−iodine transformation reversible-deactivation radical polymerization (BIT- RDRP) in the microreactor system (Figure 5b). 75 Ringopening-polymerization rates and radical polymerization rates were elevated into 1.2 and 2.2 times higher respectively than those in batch reactors. Well-defined polymethyl acrylates grafted PCL, PVL, and PLA with controlled molecular weights and relatively narrow polydispersities (Đ ≤ 1.30) were fabricated.…”

“…By the use of continuous flow organocatalysis, biodegradable polyester based functional materials were efficiently prepared. Cheng, Zhang, He, and co-workers combined the TBD catalzyed ROP and photocontrolled bromine–iodine transformation reversible-deactivation radical polymerization (BIT-RDRP) in the microreactor system (Figure b) . Ring-opening-polymerization rates and radical polymerization rates were elevated into 1.2 and 2.2 times higher respectively than those in batch reactors.…”

“…(b) Schematic illustration of the preparation of graft copolymers in continuous flow reactors via successive photocontrolled BIT-RDRP and TBD catalyzed ROP at room temperature. Reproduced with permission from ref . Copyright 2023 Royal Society of Chemistry.…”