Synthesis of Photocrosslinkable Polymers Using Abietic Acid and Their Characterization

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  • Kim Woo-Sik
    Department of Polymer Science, Kyungpook National University
  • Byun Kyung-Rock
    Department of Polymer Science, Kyungpook National University
  • Lee Dong-Ho
    Department of Polymer Science, Kyungpook National University
  • Min Kyung-Eun
    Department of Polymer Science, Kyungpook National University
  • Park Lee-Soon
    Department of Polymer Science, Kyungpook National University
  • Seo Kwan-Ho
    Department of Polymer Science, Kyungpook National University
  • Kang Inn-Kyu
    Department of Polymer Science, Kyungpook National University
  • Park Soo-Young
    Department of Polymer Science, Kyungpook National University

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Description

Vinylbenzyl abietate (VBA) was synthesized by the reaction of 4-vinylbenzyl chloride with sodium abietate. VBA homopolymer and copolymers of VBA with methyl methacrylate (MMA) were prepared in benzene using azobisisobutyronitrile as an initiator. The compositions of the copolymers were measured with 1H NMR. The monomer reactivity ratios were determined by Kelen–Tüdös plot. The reactivity of VBA for the copolymerization was much larger than that of MMA. The glass transition temperature and the initial decomposition temperature of the homopolymer were higher than those of the copolymers. The polymers with the abietic acid moiety were crosslinked with UV irradiation. This result means that VBA can be a vinyl monomer for the preparation of photocrosslinkable polymers.

Journal

  • Polymer Journal

    Polymer Journal 35 (5), 450-454, 2003

    The Society of Polymer Science, Japan

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