Preparation of Artificial Urushi via Environmentally Benign Process

DOI PDF Web Site 被引用文献4件 参考文献84件
  • Ikeda Ryohei
    Joint Research Center for Precision Polymerization (JRCPP)-Japan Chemical Innovation Institute (JCII)
  • Tanaka Hozumi
    Toyo Ink Mfg. Co., Ltd.
  • Oyabu Hiroshi
    Kyoto Municipal Institute of Industrial Research
  • Uyama Hiroshi
    Department of Materials Chemistry, Graduate School of Engineering, Kyoto University
  • Kobayashi Shiro
    Department of Materials Chemistry, Graduate School of Engineering, Kyoto University

書誌事項

タイトル別名
  • Preparation of Artificial Urushi via an Environmentally Benign Process.
公開日
2001
DOI
  • 10.1246/bcsj.74.1067
公開者
公益社団法人 日本化学会

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説明

“Artificial urushi” has been developed by laccase-catalyzed curing of new urushiol analogues. The analogues were designed and conveniently synthesized by regioselective acylation of phenol derivatives having a primary alcohol with unsaturated fatty acids using lipase as catalyst. The curing of the catechol derivative having a linolenoyl group proceeded in the presence of acetone powder from Chinese urushi, yielding the crosslinked film (“artificial urushi”) with high hardness and gloss surface, which are comparable with those of natural urushi coating. The analogues obtained from vanillyl alcohol were also cured. FT-IR monitoring of the curing showed that the crosslinking mechanism was similar to that of the natural urushi. The curing of the urushiol analogues in the presence of starch–urea phosphate took place to give the artificial urushi consisting exclusively of synthetic compounds.

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