<b>Application of Phenolic Lignin for Epoxy Resins Derived from Biomass </b>

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  • TSUNODA Tomoki
    Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
  • OYAMA Toshiyuki
    Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
  • TAKAHASHI Akio
    Department of Advanced Materials Chemistry, Faculty of Engineering, Yokohama National University
  • KONO Tsuyoshi
    Kono New Material Development Co. Ltd.

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Other Title
  • <b>バイオマス由来エポキシ樹脂へのフェノリックリグニンの応用 </b>
  • バイオマス由来エポキシ樹脂へのフェノリックリグニンの応用
  • バイオマス ユライ エポキシ ジュシ エ ノ フェノリックリグニン ノ オウヨウ

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Synopsis: A phenolic lignin (PL) was synthesized by the reaction between lignin and phenolic compound. Industrial use of PL has been desired as a new recycle process of wood-resources. Phenolic lignin cured epoxy resins (PL-cured) were prepared as curing agent for epoxy resin to investigate the properties As a result, PL-cured showed well-balanced thermal and mechanical properties compared with lignin cured epoxy resin (LG-cured) and with phenol novolac cured epoxy resin (Standard). Next, epoxidization of phenolic lignin was performed via a two-step reaction consist of ring-opening reaction and ring-closing reaction. An epoxidized phenolic lignin (EPL) was cured with phenol novolac to investigate their properties. Accordingly, it was revealed that EPL was possible to be applied as epoxy resins.

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