One-pot synthesis of 2-phenyl-2-oxazoline-containing quasi-diblock copoly(2-oxazoline)s under microwave irradiation

R. Hoogenboom, H.M.L. Thijs, M.W.M. Fijten, B.M. Lankvelt, van, U.S. Schubert

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Abstract

The microwave-assisted statistical copolymerization of 2-phenyl-2-oxazoline with 2-methyl-2-oxazoline or 2-ethyl-2-oxazoline is discussed in this contribution. Kinetic studies of these statistical copolymerizations as well as reactivity ratio determinations were performed to investigate the monomer distribution in these copoly(2-oxazoline)s, demonstrating the formation of quasi-diblock copolymers. In addition, the synthesis of copolymer series with monomer concentrations ranging from 0 to 100 mol % is described. These copolymer series were characterized with 1H NMR spectroscopy, gas chromatography, and gel permeation chromatography. Moreover, the glass-transition temperatures and solubility of these copolymers were studied, and this revealing better mixing of poly(2-methyl-2-oxazoline) (pMeOx) with poly(2-phenyl-2-oxazoline) (pPhOx) than poly(2-ethyl-2-oxazoline) (pEtOx) with poly(2-phenyl-2-oxazoline) (pPhOx). © 2006 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 45: 416-422, 2007
Original languageEnglish
Pages (from-to)416-422
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume45
Issue number3
DOIs
Publication statusPublished - 2007

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