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    • 4. 发明申请
    • METHOD FOR MANUFACTURING LIGNIN DEGRADATION PRODUCT
    • 制造木质素降解产物的方法
    • US20160145398A1
    • 2016-05-26
    • US14776718
    • 2014-03-13
    • IDEMITSU KOSAN CO., LTD.NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    • Satoshi KAJITANINaonori RYUMONYoshihito KOYAMATakao MASUDATeruoki TAGO
    • C08H7/00
    • C08H6/00B09B3/0016C07D307/46C07D307/50C07G1/00C08H8/00
    • Provided is a method for producing a lignin degradation product that includes (1) a degradation step of degrading a raw material containing a plant biomass, in a mixed solvent of water and an aliphatic alcohol having from 4 to 10 carbon atoms, which separates into two phases at 0° C. or higher and 50° C. or lower, under the following conditions, and (2) after the degradation step, a liquid-liquid separation step of separating the lignin degradation product-containing organic phase from the solvent that has separated at the temperature for two-phase separation. The method produces a lignin degradation product at a high yield from lignin or a material containing lignin. Condition A: The concentration of the raw material to be in the mixed solvent is 1% by mass or more and 20% by mass or less. Condition B: The reaction temperature is 100° C. or higher and 350° C. or lower. Condition C: The reaction time is 0.1 hours or more and 10 hours or less.
    • 本发明提供一种生产木质素降解产物的方法,该方法包括:(1)在水和具有4至10个碳原子的脂族醇的混合溶剂中降解包含植物生物质的原料的降解步骤,其分成两部分 在以下条件下,在0℃以上且50℃以下的相,和(2)在所述降解步骤后的液 - 液分离步骤,从所述溶剂中分离含木质素降解产物的有机相, 在两相分离温度下分离。 该方法以木质素或含有木质素的材料以高产率产生木质素降解产物。 条件A:混合溶剂中的原料浓度为1质量%以上20质量%以下。 条件B:反应温度为100℃以上且350℃以下。 条件C:反应时间为0.1小时以上10小时以下。