Star-shaped Poly(2-oxazoline)s by Dendrimer Endcapping

H.M.L. Lambermont-Thijs, M.W.M. Fijten, U.S. Schubert, R. Hoogenboom

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    Abstract

    The synthesis of star-shaped poly(2-ethyl-2-oxazoline) is reported by direct end-capping of the living polymer chains with dendritic multiamines. The end-capping kinetics after addition of a first generation polypropylenimine dendrimer are discussed based on monitoring by size exclusion chromatography, revealing less efficient end-capping with larger poly(2-ethyl-2-oxazoline) chains and increasing dendrimer generation. In addition, it is demonstrated that the solution viscosity and cloud point temperature of the star-shaped polymers are much less affected by chain length compared with their linear analogues.
    Original languageEnglish
    Pages (from-to)1026-1032
    JournalAustralian Journal of Chemistry
    Volume64
    Issue number8
    DOIs
    Publication statusPublished - 2011

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