Synthesis and Characteristics of Novel Topologycalgel by Photopolymerization

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  • NUMATA Mutsuaki
    Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University
  • OKUBO Ken
    Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University
  • AKAMINE Kenta
    Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University
  • SAKURABA Hidetake
    Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University
  • KOUZAI Hiroaki
    Department of Applied Material and Life Science, College of Engineering, Kanto Gakuin University

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Other Title
  • 光重合法による新規トポロジカルゲルの合成と特性
  • ヒカリ ジュウゴウホウ ニ ヨル シンキ トポロジカルゲル ノ ゴウセイ ト トクセイ

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Abstract

<p>A novel supramolecular crosslinked polymer system (polybutadiene topologycal gel, PBTG) was constructed by combining two components, cyclodextrin (γ-CD) oligomer and terminal end-capped macromonomer having polybutadiene (PB) unit. Photopolymerization of N,N-dimethylacrylamide (DMAA) was carried out in the presence of PBTG to obtain gel composed of movable cross-linking. The obtained PBTG exhibited the unique property different that of a conventional chemical gel (PB-DMAA gel). The PBTG showed relatively high thermal stability and good film-forming property. The temperature for 10% weight loss of the polymers was 400°C. The stress and the strain of the PBTG were 0.325MPa and 590.2%, respectively. Young’s modulus was 0.55KPa. The gelled product swelled well in N,N-dimethylformamide (DMF ; percentage swelling 1580%) and water (H2O ; percentage swelling 1460%).</p>

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