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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Romulus, Joy
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article
Facile synthesis of flexible, donor-acceptor side-chain functionalized copolymers via ring-opening metathesis polymerization
Abstract
<p>A series of polymers has been synthesized via ring-opening metathesis polymerization of donor-acceptor side-chain functionalized monomers. The backbones of the polymers are based on poly(norbornene)s and/or poly(cyclooctene)s, while the side-chains consist of electron-rich 1,5-dialkoxynaphthalene and electron-deficient 1,2,4,5-benzenetetracarboxylic dianhydride (pyromellitic dianhydride). The monomers were proven to be living which allowed for the generation of controlled homopolymers and block copolymers. Side-chain functionalized alternating poly(norbornene/cyclooctene)s were generated using a Grubbs-type initiator containing an unsymmetrical N-heterocyclic carbene ligand. Using UV-vis spectroscopy, a charge-transfer band was detected in random and alternating copolymer solutions due to intramolecular interactions.</p>