Self-organization of stack-up block copolymers into polymeric supramolecules

  • Yong J. Yuan1Email author,

    Affiliated with

    • Ka-Wai Choi1 and

      Affiliated with

      • Herbert Wong1

        Affiliated with

        Nanoscale Research Letters20072:104

        DOI: 10.1007/s11671-007-9038-8

        Received: 13 November 2006

        Accepted: 2 January 2007

        Published: 24 January 2007

        Abstract

        Polyethylene oxide –b– polypropylene oxide -b- polyethylene oxide (EO106PO70EO106) block copolymer self-organizes into polymeric supramolecules, characterized by NMR as phase transition from the isotropic stack-up block structure to the ordered cubic polymeric supramolecular structure. Its dependence on both temperature and copolymer concentration is clearly shown by the changes in line shape and chemical shift of the PO70blockβ,γ resonances.

        Keywords

        Self-assembly Block co-polymer NMR

        [115]

        Authors’ Affiliations

        (1)
        Industrial Research Ltd., Crown Research Institutes

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        © to the authors 2007