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  1. No Access

    Article

    Synthesis of a novel compound based on chitosan and ammonium polyphosphate for flame retardancy applications

    In this investigation, a novel compound (NCSAPP) based on chitosan (CS) and ammonium polyphosphate (APP) was synthesized by employing solutions of chitosan and ammonium polyphosphate. The synthesized compound ...

    M. N. Prabhakar, G. M. Raghavendra, B. V. D. Vijaykumar, Kalpesh Patil… in Cellulose (2019)

  2. No Access

    Article

    Mechanical, thermal, and water vapor barrier properties of regenerated cellulose/nano-SiO2 composite films

    Bionanocomposite films were fabricated by reinforcing regenerated cellulose (RC) with 3-aminopropyl-functionalized silica nanoparticles (nano-SiO2). The composite films were prepared by dissolving cotton linter R...

    Jeevan Prasad Reddy, A. Varada Rajulu, Jong-Whan Rhim, Jongchul Seo in Cellulose (2018)

  3. No Access

    Article

    Water resistance and antimicrobial properties of poly(vinyl alcohol) composite films containing surface-modified tetrapod zinc oxide whiskers

    Tetrapod zinc oxide whiskers (TZnO-W) were successfully synthesized via a thermal oxidation method and surface-modified TZnO-W (STZnO-W) were prepared using a silane coupling agent to ensure good dispersion in...

    Dowan Kim, Soni Lee, Hyok Kwon, Jongchul Seo in Macromolecular Research (2015)

  4. No Access

    Article

    Effect of tetrapod ZnO whiskers on the physical and moisture barrier properties of transparent polyimide/TZnO-W composite films

    Tetrapod zinc oxide whiskers (TZnO-Ws) were successfully prepared by a thermal oxidation method and confirmed using scanning electron microscopy (SEM) and wide angle X-ray diffraction (WAXD). A series of polyi...

    Ki-Ho Nam, Dowan Kim, Jongchul Seo, Kwangwon Seo, Haksoo Han in Macromolecular Research (2014)

  5. No Access

    Article

    Preparation and properties of poly(vinyl alcohol)/vinyltrimethoxysilane (PVA/VTMS) hybrid films with enhanced thermal stability and oxygen barrier properties

    To enhance the thermal stability and barrier properties of pure poly(vinyl alcohol) (PVA), a series of poly(vinyl alcohol)/vinyltrimethoxysilane (PVA/VTMS) hybrid films were prepared via a sol-gel process, and th...

    Mi** Lim, Dowan Kim, Jongchul Seo, Haksoo Han in Macromolecular Research (2014)

  6. No Access

    Article

    Residual stress behavior and physical properties of transparent polyimide/surface-modified CaCO3 nanocomposite films

    A series of polyimide (PI) nanocomposite films with various surface-modified colloidal calcium carbonate (SCaCO3) contents were prepared and their physical properties were investigated to understand their possibl...

    Ki-Ho Nam, Jongchul Seo, Kwangwon Seo, Wonbong Jang, Haksoo Han in Macromolecular Research (2014)

  7. No Access

    Article

    Water sorption behavior in polyimide thin films controlled by inorganic additives

    We investigated the decreased water diffusivity depending on the content and size of carbon black (CB) added to polyimide (PI) in order to synthesize composite films (PI-CB). CBs with different diameters were ...

    **uk Kwon, **young Kim, Dongmyung Park, Jongchul Seo… in Macromolecular Research (2014)

  8. No Access

    Article

    Enhanced moisture barrier films based on EVOH/exfoliated graphite (EGn) nanocomposite films by solution blending

    A series of ethyl-vinyl alcohol (EVOH) nanocomposite films with exfoliated graphite nanosheets (EGn) were prepared via a solution blending method and their physical and moisture barrier properties were investigat...

    Hyok Kwon, Dowan Kim, Jongchul Seo, Haksoo Han in Macromolecular Research (2013)

  9. No Access

    Article

    Preparation of cationic latent initiators containing imidazole group and their effects on the properties of DGEBA epoxy resin

    The thermal cationic latent initiators, N-benzyl-3-methylimidazolium hexafluoroantimonate (BMH1) and N-butyl-3-methylimidazolium hexafluoroantimonate (BMH2) were synthesized and applied to the thermal cationic po...

    Eui Soung Jang, Sher Bahadar Khan, Jongchul Seo, Kalsoom Akhtar… in Macromolecular Research (2011)

  10. No Access

    Article

    Synthesis and characterization of novel UV-Curable PU-Si hybrids: Influence of silica on thermal, mechanical, and water sorption properties of polyurethane acrylates

    Organic-inorganic hybrid membranes (HM1-HM4) were synthesized by incorporating 3 wt% (HM1), 5 wt% (HM2), 10 wt% (HM3), and 20 wt% (HM4) of silica precursors into UV-curable polyurethane acrylate (PU) matrix us...

    Eui Soung Jang, Sher Bahadar Khan, Jongchul Seo, Kalsoom Akhtar… in Macromolecular Research (2011)

  11. No Access

    Article

    Synthesis and characterization of novel PPC-silica hybrid with improved thermal, mechanical, and water sorption properties

    Organic-inorganic hybrids (H1-H5) based on environmentally friendly and biodegradable polymer, poly (propylene carbonate) (PPC) and tetraethoxysilane (TEOS) were synthesized using the sol-gel technique. The sy...

    Sher Bahadar Khan, Jongchul Seo, Eui Soung Jang, Kalsoom Akhtar… in Macromolecular Research (2011)

  12. No Access

    Article

    Thermal properties and water sorption behaviors of epoxy and bismaleimide composites

    In this work, we prepared epoxy/BMI composites by usingN,Nā€²-bismaleimide-4,4ā€²-diphenylmethane (BMI), epoxy resin (diglycidyl ether of bisphenol-A (DGEBA)), and 4,4ā€™-diamino diphenyl methane (DDM). The thermal pro...

    Jongchul Seo, Wonbong Jang, Haksoo Han in Macromolecular Research (2007)