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    Article

    Improvement of ammonia sensing properties of polypyrrole by nanocomposite with graphitic materials

    The more sensitive and rapid ammonia gas sensors were prepared with nanocomposites of polypyrrole (PPy) and graphitic materials such as graphite, graphite oxide (GO), and reduced graphene oxide (RGO). Pyrrole ...

    Woo-Kyung Jang, Jumi Yun, Hyung-Il Kim, Young-Seak Lee in Colloid and Polymer Science (2013)

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    Article

    A selective drug-release system consisting of surface-modified electrospun carbon fibers by oxy/fluorination

    A selective drug-release system was prepared for a controlled drug release between hydrophobic and hydrophilic drugs by using a prepared membrane. A membrane was constructed by electrospun carbon fibers. A por...

    Jumi Yun, Ji Sun Im, Sung Kyu Lee, Hyung-il Kim in Journal of Porous Materials (2012)

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    Article

    Control of drug release behavior of pH-responsive PVA/PAAc hydrogel by surface modification with oxyfluorination

    The pH-responsive poly(vinyl alcohol)/poly(acrylic acid) hydrogel was prepared as a drug-delivery carrier. The drug release rate from hydrogels was controlled by surface modification with oxyfluorination. The ...

    Jumi Yun, Ae-Ri Oh, Ji Sun Im, Hyung-Il Kim, Young-Seak Lee in Macromolecular Research (2012)

  4. Article

    Erratum to: Electromagnetic interference shielding effects of polyaniline-coated multi-wall carbon nanotubes/maghemite nanocomposites

    Jumi Yun, Hyung-Il Kim in Polymer Bulletin (2012)

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    Article

    Dual-responsive release behavior of pH-sensitive PVA/PAAc hydrogels containing temperature-sensitive PVA/PNIPAAm microcapsules

    Both temperature and pH responsive drug delivery system was prepared by combining temperature-sensitive poly(vinyl alcohol) (PVA)/poly(N-isopropylacrylamide) (PNIPAAm) microcapsules and pH-sensitive PVA/poly(acry...

    Jumi Yun, Hyung-Il Kim in Polymer Bulletin (2012)

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    Article

    Electromagnetic interference shielding effects of polyaniline-coated multi-wall carbon nanotubes/maghemite nanocomposites

    Highly conductive nanocomposites were prepared by in situ polymerization of polyaniline (PANi) and multi-walled carbon nanotubes (MWCNTs) as electromagnetic interference shielding materials. γ-Fe2O3 nanoparticles...

    Jumi Yun, Hyung-Il Kim in Polymer Bulletin (2012)

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    Article

    Effect of oxyfluorination on electromagnetic interference shielding of polyaniline-coated multi-walled carbon nanotubes

    Highly conducting polyaniline (PANi)-coated multi-walled carbon nanotubes (MWCNTs) were prepared by in situ polymerization method for electromagnetic interference shielding. The thickness of the PANi coatings ...

    Jumi Yun, Ji Sun Im, Hyung-Il Kim, Young-Seak Lee in Colloid and Polymer Science (2011)

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    Article

    Novel synthesis of silica/polypyrrole hybrid nanocomposites via microemulsion polymerization with a vapor monomer feeding system

    Silica/polypyrrole hybrid nanoparticles were synthesized by microemulsion polymerization using a vapor monomer feeding system. In contrast to the traditional monomer feeding methods of microemulsion polymeriza...

    Wenbao Chen, Xuyan Liu, Yangshuo Liu, Youngkil Bang in Macromolecular Research (2011)

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    Article

    Synthesis of microcapsules with polystyrene/ZnO hybrid shell by Pickering emulsion polymerization

    Polystyrene/zinc oxide (ZnO) hybrid microcapsules having polystyrene as inner shell and ZnO nanoparticles as outer shell were synthesized by Pickering emulsion polymerization method. ZnO nanoparticles were use...

    Wenbao Chen, Xuyan Liu, Yangshuo Liu, Hyung-Il Kim in Colloid and Polymer Science (2010)

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    Article

    Dynamic mechanical properties of natural fiber/polymer biocomposites: The effect of fiber treatment with electron beam

    Environmentally friendly biocomposites were made using plant-based natural fibers, such as henequen and kenaf. The natural fiber reinforced polypropylene (PP) and unsaturated polyester (UP) biocomposites were ...

    Young Hee Han, Seong Ok Han, Donghwan Cho, Hyung-Il Kim in Macromolecular Research (2008)

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    Article

    Evaluation of internal structure and morphology of poly(benzyl ether) dendrimers by molecular dynamics simulations

    We performed molecular dynamics (MD) simulations at 300 K on a series of poly(benzyl ether) (PBE) dendrimers having a different core functionalities. We used the rotational isomeric state Metropolis Monte Carl...

    Taewan Hong, Hyung-Il Kim in Macromolecular Research (2004)