<b>High Performance Phenolic Resin using Benzoxazine-Modified </b><b>Herbaceous Lignin </b>

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  • Hajime Kimura
    ganic Materials Research Division, Osaka Research Institute of Industrial Science and Technology
  • Keiko Ohtsuka
    ganic Materials Research Division, Osaka Research Institute of Industrial Science and Technology
  • Morio Ｙonekawa
    ganic Materials Research Division, Osaka Research Institute of Industrial Science and Technology
  • Akihiro Matsumoto
    ganic Materials Research Division, Osaka Research Institute of Industrial Science and Technology

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Other Title
  • <b>ベンゾオキサジン変性草本系リグニンによる </b><b>フェノール樹脂の高性能化 </b>
  • ベンゾオキサジン変性草本系リグニンによるフェノール樹脂の高性能化
  • ベンゾオキサジン ヘンセイ ソウホンケイ リグニン ニ ヨル フェノール ジュシ ノ コウセイノウカ

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<p>We researched the increase in performance of phenolic resins using lignin-based natural materials, a non-fossil resource without a concern of becoming a cause of environmental problems, and without using fossil resources such as oil and coal, for which there are concerns of depletion and which place major burdens on the environment. First, modified (reactive) lignin with imparted reactivity to herbaceous lignin was newly developed. The developed modified lignin was compounded with phenolic resin, and a phenolic resin molding material containing the modified herbaceous lignin, and molded articles thereof were produced. The produced phenolic resin molded articles containing the modified lignin exhibited an improvement in water resistance, which was a drawback of phenolic resin molded articles produced using herbaceous Synopsis (natural) lignin, and it was clear that phenolic resin molded articles also excelling in heat resistance and electrical insulation properties can be obtained. Moreover, it was also demonstrated that the characteristics of the obtained phenolic resin can be varied by changing the blending ratios of the formaldehyde, aniline, and herbaceous lignin used as raw materials to produce the modified lignin.</p>

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