Individually addressable thermo- and redox-responsive block copolymers by combining anionic polymerization and RAFT protocols

Schmidt, B. V. K. J., Elbert, J., Barner-Kowollik, C., & Gallei, M. (2014) Individually addressable thermo- and redox-responsive block copolymers by combining anionic polymerization and RAFT protocols. Macromolecular Rapid Communications, 35(7).

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A novel diblock copolymer consisting of poly(vinylferrocene) (PVFc) and poly(N,N-diethylacrylamide) (PDEA) is synthesized via a combination of anionic and RAFT polymerization. The use of a novel route to hydroxyl-end-functionalized metallopolymers in anionic polymerization and subsequent esterification with a RAFT agent leads to a PVFc macro-CTA (M̄n = 3800 g mol -1; D = 1.17). RAFT polymerization with DEA affords block copolymers as evidenced by 1H NMR spectroscopy as well as size exclusion chromatography (6400 ≤ M̄n≤ 33700 g mol-1; 1.31 ≤D 1.28). Self-assembly of the amphiphilic block copolymers in aqueous solution leads to micelles as shown via TEM. Importantly, the distinct thermo-responsive and redox-responsive character of the blocks is probed via dynamic light scattering and found to be individually and repeatedly addressable. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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19 citations in Scopus
20 citations in Web of Science®
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ID Code: 99407
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :10
Export Date: 5 September 2016
Correspondence Address: Gallei, M.; Ernst-Berl Institut für Technische und Makromolekulare Chemie, Technische Universität Darmstadt, Alarich-Weiss-Straße 4, 64287 Darmstadt, Germany; email:
Chemicals/CAS: Anions; Polymers
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Keywords: anionic polymerization, ferrocene, RAFT polymerization, redox-responsive, thermo-responsive, Living polymerization, Organometallics, Amphiphilic block copolymers, Ferrocenes, H NMR spectroscopy, Poly(N , N-diethylacrylamide), Poly(vinylferrocene), Block copolymers, anion, polymer, chemical structure, chemistry, oxidation reduction reaction, particle size, polymerization, surface property, synthesis, temperature, Anions, Molecular Structure, Oxidation-Reduction, Polymers, Surface Properties
DOI: 10.1002/marc.201300870
ISSN: 10221336
Divisions: Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Sep 2016 04:50
Last Modified: 24 Jun 2017 14:39

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