Grafting of Ethylene Glycol Chains in Lignin during the Solvolysis for Biomass Conversion Using Ethylene Carbonate/Ethylene Glycol System

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  • Satoshi Kubo
    Department of Biomass Chemistry, Forestry and Forest Products Research Institute
  • Tatsuhiko Yamada
    Department of Biomass Chemistry, Forestry and Forest Products Research Institute
  • Koh Hashida
    Department of Biomass Chemistry, Forestry and Forest Products Research Institute
  • Hirokuni Ono
    Department of Applied Chemistry, Faculty of Engineering, Kogakuin University

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Abstract

<jats:title>Abstract</jats:title> <jats:p>Solvolysis using mixed solvent of ethylene carbonate (EC) and ethylene glycol (EG) was applied to softwood. In this solvolysis, EG was substituted for hydroxy groups in the lignin molecules. Chain extension reaction of substituted EG occurred during the solvolysis, and DP = 3.0 of oligo EG chains are grafted by 60-min reaction. Linear EG chains are introduced into lignin molecules during the biomass conversion process without additional chemical modification.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 36 (4), 502-503, 2007-03-03

    Oxford University Press (OUP)

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