In 2020 IND CROP PROD published article about LIGNOCELLULOSIC BIOMASS; LIGNIN; WOOD; CELLULOSE; PRETREATMENT; STRAW; VALORIZATION; DISSOLUTION; STATE; DES in [Wang, Wangxia; Gu, Feng; Sun, Kaiyong; Cai, Zhaosheng] Yancheng Inst Technol, Sch Chem & Chem Engn, Yancheng 224000, Peoples R China; [Wang, Wangxia; Wu, Wenjuan; Jin, Yongcan] Nanjing Forestry Univ, Jiangsu Prov Key Lab Pulp & Paper Sci & Technol, Nanjing 210037, Peoples R China; [Zhu, J. Y.] USDA Forest Serv, Forest Prod Lab, Madison, WI 53726 USA; [Yao, Shufeng] Jiangsu Prov Key Lab Biomass Energy & Mat, Nanjing 210042, Peoples R China in 2020, Cited 36. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4. Safety of Benzyl ether
Lignin valorization is significantly influenced by the degrees of lignin condensation measured by the amount of cleaved beta-O-4 ether linkages and interunit C-C linkages formed during biomass fractionation. To minimize the cleavage of aryl ether and formation of C-C linkages, a p-toluenesulfonic acid (p-TsOH)/choline chloride (ChCl) solvent system with hydrotropic properties was evaluated. The ChC1 was chosen to control the H+ concentration of the p-TsOH/ChCl solvent system. Compared with p-TsOH/H2O, the degradation of beta-O-4 was kept in a similar rate during p-TsOH/ChCl fractionation; however, the formation of C-C linkage was slower. Under 75/25 p-TsOH/ChCl mass ratio at 80 degrees C for 20 min, 76.6 % of miscanthus lignin, with beta-O-4 content of 30.9 %, and 88.9 % of wheat straw lignin, with beta-O-4 content of 33.6 %, can be dissolved. In addition, the low polar and layered structure of hydrotropic p-TsOH/ChCl system has a strong ability to dissolve lignin, which resulted in lignin with larger particle size and lower surface charge. The results also indicated that lignin from p-TsOH/ChCl solvent system has great potential for lignin depolymerization to aromatics for valorization.
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Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem