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http://hdl.handle.net/1942/28844
Title: | Ultrafast PhotoRAFT Block Copolymerization of Isoprene and Styrene Facilitated through Continuous-Flow Operation | Authors: | Lauterbach, Felix RUBENS, Maarten Abetz, Volker JUNKERS, Tanja |
Issue Date: | 2018 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 57(43), p. 14260-14264 | Abstract: | Polymers made from isoprene and styrene resemble an important class of synthetic macromolecules found in a wide range of everyday commodity products. Their synthesis is usually limited to radical emulsion or anionic polymerization. Herein, we report on ultrafast photoiniferter reversible addition-fragmentation chain transfer (RAFT) polymerization of isoprene and styrene in a continuous-flow microreactor. The cooperative action of a high photoinitiation efficiency and use of elevated temperatures considerably reduces the reaction times to less than half an hour to give high monomer conversions, allowing for the first time polyisoprene to be yielded from controlled radical polymerization in high definition and reasonable reaction times. High chain-end fidelities are maintained and block copolymers were prepared including a polystyrene-block-polyisoprene-block-polystyrene (PS-b-PI-b-PS) triblock copolymer. | Notes: | [Lauterbach, Felix; Abetz, Volker] Univ Hamburg, Inst Phys Chem, Grindelallee 117, D-20146 Hamburg, Germany. [Rubens, Maarten; Junkers, Tanja] Monash Univ, Sch Chem, Polymer React Design Grp, 19 Rainforest Walk, Clayton, Vic 3800, Australia. [Rubens, Maarten; Junkers, Tanja] Hasselt Univ, Martelarenlaan 42, B-3500 Hasselt, Belgium. [Abetz, Volker] Helmholtz Zentrum Geesthacht, Polymer Res Inst, Max Planck Str 1, D-21502 Geesthacht, Germany. | Keywords: | continuous flow; photoiniferter; RAFT polymerization; isoprene; styrene;continuous flow; isoprene; photoiniferter; RAFT polymerization; styrene | Document URI: | http://hdl.handle.net/1942/28844 | ISSN: | 1433-7851 | e-ISSN: | 1521-3773 | DOI: | 10.1002/anie.201809759 | ISI #: | 000447371500051 | Rights: | 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2019 |
Appears in Collections: | Research publications |
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