Abstract
Two star triblock terpolymers (PS-b-P2VP-b-PEO)3 and one dendritic-like terpolymer [PS-b-P2VP-b-(PEO)2]3 of PS (polystyrene), P2VP (poly(2-vinylpyridine)), and PEO (poly(ethylene oxide)), never reported before, were synthesized by combining atom transfer radical and anionic polymerizations. The synthesis involves the transformation of the -Br groups of the previously reported Br-terminated 3-arm star diblock copolymers to one or two -OH groups, followed by anionic polymerization of ethylene oxide to afford the star or dendritic structure, respectively. The well-defined structure of the terpolymers was confirmed by static light scattering, size exclusion chromatography, and NMR spectroscopy. The self-assembly in solution and the morphology in bulk of the terpolymers, studied by dynamic light scattering and transmission electron microscopy, respectively, reveal new insights in the phase separation of these materials with complex macromolecular architecture. © 2015 American Chemical Society.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1392-1397 |
| Number of pages | 6 |
| Journal | ACS Macro Letters |
| Volume | 4 |
| Issue number | 12 |
| DOIs | |
| State | Published - Nov 25 2015 |
Bibliographical note
KAUST Repository Item: Exported on 2020-10-01Acknowledgements: G.P. and A.A. would like to acknowledge cofinancing of this research project by the European Union (European Regional Development Fund- ERDF) and Greek national funds through the Operational Program "THESSALY- MAINLAND GREECE AND EPIRUS-2007-2013" of the National Strategic Reference Framework (NSRF 2007-2013). G.P., G.Z., and A.A. would like to acknowledge the Network of Research Supporting Laboratories at the University of Ioannina for using the Electron Microscopy Facility. G.P. and N.H. would like to acknowledge the support by King Abdullah University of Science and Technology.