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Synthesis and characterization of well-defined [polystyrene-b-poly(2-vinylpyridine)]n star-block copolymers with poly(2-vinylpyridine) corona blocks

Authors

  • Haining Ji,

    1. Department of Chemistry, University of Tennessee at Knoxville, Knoxville, Tennessee 37996
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  • Georgios Sakellariou,

    1. Department of Chemistry, University of Tennessee at Knoxville, Knoxville, Tennessee 37996
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  • Rigoberto C. Advincula,

    1. Department of Chemistry, University of Houston, Houston, Texas 77204
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  • Grant D. Smith,

    1. Department of Materials Science and Engineering, University of Utah, Salt Lake City, Utah 84112
    2. Department of Chemical and Fuel Engineering, University of Utah, Salt Lake City, Utah 84112
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  • S. Michael Kilbey II,

    1. Department of Chemical Engineering, Clemson University, Clemson, South Carolina 29634
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  • Mark D. Dadmun,

    1. Department of Chemistry, University of Tennessee at Knoxville, Knoxville, Tennessee 37996
    2. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
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  • Jimmy W. Mays

    Corresponding author
    1. Department of Chemistry, University of Tennessee at Knoxville, Knoxville, Tennessee 37996
    2. Chemical Sciences Division and Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
    • Department of Chemistry, University of Tennessee at Knoxville, Knoxville, Tennessee 37996
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Abstract

This article describes the synthesis and characterization of [polystyrene-b-poly(2-vinylpyridine)]n star-block copolymers with the poly(2-vinylpyridine) blocks at the periphery. A two-step living anionic polymerization method was used. Firstly, oligo(styryl)lithium grafted poly(divinylbenzene) cores were used as multifunctional initiators to initiate living anionic polymerization of styrene in benzene at room temperature. Secondly, vinylpyridine was polymerized at the periphery of these living (polystyrene)n stars in tetrahydrofuran at −78 °C. The resulting copolymers were characterized using size exclusion chromatography, multiangle laser light scattering, 1H NMR, elemental analysis, and intrinsic viscosity measurements. © 2007 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 45: 3949–3955, 2007

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