Supramolecular mimics of phase separating covalent diblock copolymers

Jingyi Rao, Emilia Pǎunescu, Mohammad Mirmohades, Ikhlas Gadwal, Abbas Khaydarov, Craig J. Hawker, Joona Bang, Anzar Khan

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

In this study, we explore the supramolecular association and phase separation properties of non-covalent analogues of polystyrene-b-polyethylene glycol (PS-b-PEG) and polystyrene-b-polyisoprene (PS-b-PI) diblock copolymers. For this purpose, a PS homopolymer is end-functionalized with a quadruple hydrogen bonding unit and PEG and PI homopolymers are end-functionalized with a hetero-complementary hydrogen bonding group. Hetero-dimerization between the complementary chain ends of the respective homopolymers furnishes supramolecular (s) PS-s-PEG and PS-s-PI diblock copolymers with phase-separation studies in thin films and bulk demonstrating that the non-covalent block copolymers are capable of self-organizing into nanostructured morphologies reminiscent of their covalent analogues.

Original languageEnglish
Pages (from-to)2050-2056
Number of pages7
JournalPolymer Chemistry
Volume3
Issue number8
DOIs
Publication statusPublished - 2012 Aug

ASJC Scopus subject areas

  • Bioengineering
  • Biochemistry
  • Polymers and Plastics
  • Organic Chemistry

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  • Cite this

    Rao, J., Pǎunescu, E., Mirmohades, M., Gadwal, I., Khaydarov, A., Hawker, C. J., Bang, J., & Khan, A. (2012). Supramolecular mimics of phase separating covalent diblock copolymers. Polymer Chemistry, 3(8), 2050-2056. https://doi.org/10.1039/c2py20125a