Synthesis and characterization of a series of diverse poly(2-oxazoline)s

This article describes the synthesis and characterization of a variety of new poly(2-oxazoline)s. With regard to functional polymers, 2-oxazolines represent an interesting class of monomers because of the easy variation of the substituent in 2-position. Starting from the corresponding nitriles, diff...

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Bibliographic Details
Published in:Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 2009-08, Vol.47 (15), p.3829-3838
Main Authors: Kempe, Kristian, Lobert, Matthias, Hoogenboom, Richard, Schubert, Ulrich S
Format: Article
Language:English
Subjects:
2-oxazolines
Applied sciences
Exact sciences and technology
kinetic study
living polymerization
Organic polymers
Physicochemistry of polymers
poly(2-oxazoline)s
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
structure-property relations
surface energy
thermal transitions
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Summary:This article describes the synthesis and characterization of a variety of new poly(2-oxazoline)s. With regard to functional polymers, 2-oxazolines represent an interesting class of monomers because of the easy variation of the substituent in 2-position. Starting from the corresponding nitriles, different 2-oxazolines were obtained containing a diverse set of 2-substituents, including thioether bonds (M11), trifluoromethyl groups (M8, M10), and alkyl- or aryl groups (M1-M7). The subsequent polymerization of the majority of these monomers proceeded in a living manner, which was demonstrated by linear first-order kinetics, a linear increase of molar mass with conversion, and relatively narrow molar mass distributions. In addition, selected thermal and surface properties of the polymers were studied utilizing DSC and contact-angle measurements to determine the effects of different 2-substituents on the macroscopic properties.
ISSN:0887-624X
1099-0518
DOI:10.1002/pola.23448