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Various Brush Polymers Through Ring Opening Metathesis Polymerization and Nitroxide Radical Coupling Reaction

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Date
2011-07-01T00:00:00Z
Authors
Cerit, Nese
Cakir, Nese
Dag, Aydan
Sirkecioğlu, Okan
Durmaz, Hakan
Hızal, Gürkan
Tunca, Ümit
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Abstract
A 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-terminated poly(ethylene glycol) (PEG) or -poly(epsilon-caprolactone) (PCL) (PEG(11)-TEMPO or PCL(23)-TEMPO) is grafted as a side chain onto a ROMP-generated polyoxanorbornene (PONB) main backbone with bromide pendant groups (PONB(20)-Br) using the NRC click reaction to yield related the brush copolymers, PONB(20)-g-PEG(11) or PONB(20)-g-PCL(23) catalyzed by Cu(I), Cu(0), and N,N,N-,N -,N--pentamethyldiethylenetriamine in N,N-dimethylformamide at room temperature. Additionally, a ROMP-generated brush copolymer PONB(9)-g-poly(methyl methacrylate)(24) (PMMA)(24)-Cl was reacted with a PEG(11)-TEMPO or a PCL(23)-TEMPO precursor via the NRC click reaction to yield a corresponding brush terpolymer, PONB(9)-g-(PMMA(24)-b-PEG(11)) or PONB(9)-g-(PMMA(24)-b-PCL(23)) under a similar reaction condition described above. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 49: 2850-2858, 2011
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Cerit N., Cakir N., Dag A., Sirkecioğlu O., Durmaz H., Hızal G., Tunca Ü., -Various Brush Polymers Through Ring Opening Metathesis Polymerization and Nitroxide Radical Coupling Reaction-, JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, cilt.49, ss.2850-2858, 2011
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