Macromolecular Research

, Volume 25, Issue 5, pp 452–460 | Cite as

Chemical modification of graphene oxide through poly(ethylene oxide)-conjugations

  • Abu Bakkar Siddique
  • Jin Wook An
  • Hyun Jun Kim
  • Hyeonjong Park
  • Geon Chang Lee
  • Jae Yeol Lee
  • Sehoon Kim
  • Minhoo Byeon
  • Chong Rae Park
  • Jungahn Kim


This paper introduces poly(ethylene oxide) (PEO)-based modification of graphene oxide (GO) layers through the grafting onto the surface of GO as one of the excellent tools to improve the solubility and the processing ability of graphene. Methylene blue (MB)-mediated intercalation of graphite (flake) was first performed at 25 °C in aqueous media, followed by the Hummers’ process for oxidation, leading to an efficient production of GO. Direct oxidation of graphite (powder) also yielded the corresponding GO. The reaction of neutralized GO with “living” PEOs synthesized from alkyllithium- or sodium azide-initiated polymerization of ethylene oxide (EO) in polar solvents led to the production of the corresponding graphene oxide-g-PEOs soluble in different solvents such as tetrahydrofuran (THF), methanol, dimethyl sulfoxide (DMSO), and H2O, etc. The resulting products were characterized by the combination of size exclusion chromatographic, 1H nuclear magnetic resonance (1H NMR), Raman, thermogravimetric anlysis (TGA), transmission electron microscopy (TEM), and atomic force microscopy (AFM) analyses.


living anionic ring-opening polymerization methylene blue-mediated intercalation soluble graphene oxides graphene oxide-g-PEO graphene oxide-g-PEO-N3 


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Copyright information

© The Polymer Society of Korea and Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Abu Bakkar Siddique
    • 1
  • Jin Wook An
    • 1
  • Hyun Jun Kim
    • 1
  • Hyeonjong Park
    • 1
  • Geon Chang Lee
    • 1
  • Jae Yeol Lee
    • 1
  • Sehoon Kim
    • 2
  • Minhoo Byeon
    • 3
  • Chong Rae Park
    • 3
  • Jungahn Kim
    • 1
  1. 1.Department of ChemistryKyung Hee UniversitySeoulKorea
  2. 2.Center for TheragnosisKISTSeoulKorea
  3. 3.School of Material Science and EngineeringSeoul National UniversitySeoulKorea

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