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  1. No Access

    Article

    Preparation and characterization of surface energy of BPDA-BAPP polyimide

    The surface properties (water sorption and repellency, adhesion) are closely related to the surface tension of polymer solids. The critical surface tension (γ c

    Kyung-Hoe Kim, Yong-Gwon Kim, Younghwan Kwon in Macromolecular Research (2009)

  2. No Access

    Article

    Amphiphilic norbornene-based diblock copolymers containing polyhedral oligomeric silsesquioxane prepared by living ring opening metathesis polymerization

    We report the successful synthesis of poly(NBECOOH-b-NBEPOSS) copolymers, taking advantage of the sequential, living ring opening metathesis polymerization of NBETMS and NBEPOSS using the RuCl2 (=CHPh)(PCy3)2/CH2

    Su-Dong Park, Wentao Xu, Chanhong Chung, Younghwan Kwon in Macromolecular Research (2008)

  3. No Access

    Article

    Synthesis of norbornene block copolymers containing polyhedral oligomeric silsesquioxane by sequential ring-opening metathesis polymerization

    The synthesis of a series of poly(POSS-NBE-b-MTD) copolymers was successfully accomplished, taking advantage of sequential, ring-opening, metathesis block copolymerization using RuCl2(=CHPh)(PCy3)2 catalyst. By u...

    Younghwan Kwon, Kyung-Hoe Kim in Macromolecular Research (2006)

  4. No Access

    Chapter

    Synthesis of Polyisobutylene-Based Block Copolymers with Precisely Controlled Architecture by Living Cationic Polymerization

    During the last two decades we have witnessed the discovery and development of living cationic polymerization. As a result of persistent growth in this field, today living cationic polymerization is an equal c...

    Younghwan Kwon, Rudolf Faust in New Synthetic Methods (2004)