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  1. No Access

    Article

    Poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] and poly[6-fluoro-3-(pyridin-2-yl)-3,4-dihydro-2H-benzoxazine] based polymer electrolyte membranes for fuel cells at elevated temperature

    Cross-linked copolymer membranes were prepared by casting poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] (PBI) solutions containing 6-fluoro-3-(pyridin-2-yl)-3,4-dihydro-2H-benzoxazine (pF) in N,N-dimethylacetamid...

    Sung-Kon Kim, Taeyun Ko, Kihyun Kim, Seong-Woo Choi… in Macromolecular Research (2012)

  2. No Access

    Article

    Healable properties of polymethacrylate derivatives having photo crosslinkable cinnamoyl side groups with surface hardness control

    Based on reversible photo crosslinkable properties, a series of polymethacrylate derivatives having cinnamoyl group in the side chain has been designed and synthesized. By simple UV irradiation and thermal tre...

    Won Jae Choi, Jae-Seung Chung, **-joo Kim… in Journal of Coatings Technology and Research (2014)

  3. No Access

    Article

    Robust and Highly Ion-Conducting Gel Polymer Electrolytes with Semi-Interpenetrating Polymer Network Structure

    Here we report gel polymer electrolytes (GPEs) formed by the film casting of the solution containing poly(ethylene glycol) methyl ether methacrylate (PEGMA) and trimethylolpropane ethoxylate triacrylate (ETPTA...

    Min Guk Gu, Eunseok Song, Sung-Kon Kim in Macromolecular Research (2021)

  4. No Access

    Article

    Role of sulfuric acid in thermostabilization and carbonization of lyocell fibers

    Carbonized fibers with quantifiable mechanical properties were prepared from environmentally benign lyocell fibers (LFs) through sulfuric acid-catalyzed continuous thermostabilization and following carbonizati...

    Minjeong Jang, Dongcheon Choi, Younghyun Kim, Hyun-Sig Kil, Sung-Kon Kim… in Cellulose (2023)