[1] GUO Y J,HU L H,JIA P Y,et al. Enhancement of thermal stability and chemical reactivity of phenolic resin ameliorated by nanoSiO2[J]. Korean Journal of Chemical Engineering,2018,35(1):298-302. [2] LI B,WANG Y Y,MAHMOOD N,et al. Preparation of bio-based phenol formaldehyde foams using depolymerized hydrolysis lignin[J]. Industrial Crops and Products,2017,97:409-416. [3] LACOSTE C,BASSO M C,PIZZI A,et al. Pine tannin-based rigid foams:Mechanical and thermal properties[J]. Industrial Crops and Products,2013,43:245-250. [4] QIAO W,LI S J,GUO G W,et al. Synthesis and characterization of phenol-formaldehyde resin using enzymatic hydrolysis lignin[J]. Journal of Industrial and Engineering Chemistry,2015,21:1417-1422. [5] WANG G H,CHEN H Z. Carbohydrate elimination of alkaline-extracted lignin liquor by steam explosion and its methylolation for substitution of phenolic adhesive[J]. Industrial Crops and Products,2014,53:93-101. [6] ROUCHES E,HERPOËL-GIMBERT I,STEYER J P,et al. Improvement of anaerobic degradation by white-rot fungi pretreatment of lignocellulosic biomass:A review[J]. Renewable & Sustainable Energy Reviews,2016,59:179-198. [7] SHAO Y,XIA Q E,DONG L,et al. Selective production of arenes via direct lignin upgrading over a niobium-based catalyst[J]. Nature Communications,2017,8:1-9[2017-07-24].https://www.nature.com/articles/ncomms16104. [8] MA X L,MA R,HAO W Y,et al. Common pathways in ethanolysis of kraft lignin to platform chemicals over molybdenum-based catalysts[J]. ACS Catalysis,2015,5(8):4803-4813. [9] HU L H,ZHOU Y H,LIU R J,et al. Synthesis of foaming resol resin modified with oxidatively degraded lignosulfonate[J]. Industrial Crops and Products,2013,44:364-366. [10] DE GREGORIO G F,WEBER C C,GRÄSVIK J,et al. Mechanistic insights into lignin depolymerization in acidic ionic liquids[J]. Green Chemistry,2016,18:5456-5465. [11] COX B J,EKERDT J G. Depolymerization of oak wood lignin under mild conditions using the acidic ionic liquid 1-H-3-methylimidazolium chloride as both solvent and catalyst[J]. Bioresource Technology,2012,118:584-588. [12] LUTERBACHER J S,AZARPIRA A,MOTAGAMWALA A H,et al. Lignin monomer production integrated into the γ-valerolactone sugar platform[J]. Energy & Environmental Science,2015,8:2657-2663. [13] LAHIVE C W,DEUSS P,LANCEFIELD C S,et al. Advanced model compounds for understanding acid-catalyzed lignin depolymerization:Identification of renewable aromatics and a lignin-derived solvent[J]. Journal of the American Chemical Society,2016,138:8900-8911. [14] DEUSS P J,LANCEFIELD C S,NARANI A,et al. Phenolic acetals from lignins of varying compositions via iron (Ⅲ) triflate catalyzed depolymerisation[J]. Green Chemistry,2017,19:2774-2782. [15] RAHIMI A,ULBRICH A,COON J J,et al. Formic-acid-induced depolymerization of oxidized lignin to aromatics[J]. Nature,2014,515:249-252. [16] YANG X H,LI N,LIN X L,et al. Selective cleavage of the aryl ether bonds in lignin for depolymerization by acidic lithium bromide molten salt hydrate under mild conditions[J]. Journal of Agricultural and Food Chemistry,2016,64(44):8379-8387. [17] WANG G H,CHEN H Z. Fractionation of alkali-extracted lignin from steam-exploded stalk by gradient acid precipitation[J]. Separation and Purification Technology,2013,105:98-105. [18] NADA A M A,EL-SAIED H,FADL M H,et al. Infrared spectroscopic characteristics of bagasse cresol lignin[J]. Polymer Degradation and Stability,1994,43(1):55-59. |