Synthesis and Properties of Novel Polymer from Plant-based Curcumin

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  • OTANI Takuma
    Department of Material life and Science, Graduate School of Industrial Chemistry Kanto Gakuin University
  • KOUZAI Hiroaki
    Department of Applied Chemistry, College of Science and Engineering, Kanto Gakuin University Materials and Surface Engineering Laboratory, Kanto Gakuin University

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  • 植物由来のクルクミンを原料とした新規な高分子の合成および特性
  • ショクブツ ユライ ノ クルクミン オ ゲンリョウ ト シタ シンキ ナ コウブンシ ノ ゴウセイ オヨビ トクセイ

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Abstract

<p>Polyurethane CU-LTI was synthesized by curcumin and lysine triisocyanate. The structural analysis of the obtained CU-LTI was measured by FT-IR spectrum. Peaks attributed to N-H groups and C＝O groups were confirmed. From the ultraviolet-visible absorption spectrum of CU-LTI, the absorption peak at 450 nm was confirmed. In the fluorescence spectrum of CU-LTI, an emission peak at 520 nm was confirmed. From the result of TG measurement, the starting temperature of thermogravimetric loss of polyurethane was about 200℃. The glass transition temperature of CU-LTI was 70℃. The stress-strain curve shows that polyurethane is relatively soft and stretchable.</p>

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