Modification of Kraft Lignin with Dodecyl Glycidyl Ether.

作者: Norah S. Alwadani , Pedram Fatehi

DOI: 10.1002/OPEN.201900263

关键词: Nuclear magnetic resonance spectroscopyDifferential scanning calorimetryLigninGraftingAlkylThermogravimetric analysisThermal stabilityThermal analysisOrganic chemistryChemistry

摘要: Kraft lignin (KL) is extensively produced in industry but mainly burned as fuel. To broaden its use, KL was grafted with dodecyl glycidyl ether to alter thermal properties. The reaction of (DGE) analyzed using nuclear magnetic resonance (NMR), Fourier infrared spectroscopy (FT-IR) and elemental analysis. Alternatively, methylated mask phenolic hydroxy groups investigate how impact the grafting alkyl chain DGE onto (methylated lignin, MKL). methylation facilitated molecular weight enhancement stability reduction via DGE. influence chains on structural properties MKL studied thermogravimetric analysis differential scanning calorimetry Our data suggest that, due their high weights lower glass transition temperatures, derivatives may be promising feedstocks for composite production.

参考文章(59)
Alex Berlin, Mikhail Balakshin, None, Industrial Lignins: Analysis, Properties, and Applications Bioenergy Research: Advances and Applications. pp. 315- 336 ,(2014) , 10.1016/B978-0-444-59561-4.00018-8
Mohan K. Konduri, Fangong Kong, Pedram Fatehi, Production of carboxymethylated lignin and its application as a dispersant European Polymer Journal. ,vol. 70, pp. 371- 383 ,(2015) , 10.1016/J.EURPOLYMJ.2015.07.028
Huiran Wu, Fangeng Chen, Qinghua Feng, Xiaopeng Yue, OXIDATION AND SULFOMETHYLATION OF ALKALI-EXTRACTED LIGNIN FROM CORN STALK Bioresources. ,vol. 7, pp. 2742- 2751 ,(2012) , 10.15376/BIORES.7.3.2742-2751
Andrea Kuchenbuch, Ralf Giernoth, Ionic Liquids Beyond Simple Solvents: Glimpses at the State of the Art in Organic Chemistry ChemistryOpen. ,vol. 4, pp. 677- 681 ,(2015) , 10.1002/OPEN.201500113
Behzad Ahvazi, Olivia Wojciechowicz, Tan-Minh Ton-That, Jalal Hawari, Preparation of lignopolyols from wheat straw soda lignin. Journal of Agricultural and Food Chemistry. ,vol. 59, pp. 10505- 10516 ,(2011) , 10.1021/JF202452M
Yan Li, Simo Sarkanen, Miscible Blends of Kraft Lignin Derivatives with Low-Tg Polymers Macromolecules. ,vol. 38, pp. 2296- 2306 ,(2005) , 10.1021/MA047546G
Marina Alekhina, Olga Ershova, Andreas Ebert, Sami Heikkinen, Herbert Sixta, Softwood kraft lignin for value-added applications: Fractionation and structural characterization Industrial Crops and Products. ,vol. 66, pp. 220- 228 ,(2015) , 10.1016/J.INDCROP.2014.12.021
A. J. Ragauskas, G. T. Beckham, M. J. Biddy, R. Chandra, F. Chen, M. F. Davis, B. H. Davison, R. A. Dixon, P. Gilna, M. Keller, P. Langan, A. K. Naskar, J. N. Saddler, T. J. Tschaplinski, G. A. Tuskan, C. E. Wyman, Lignin Valorization: Improving Lignin Processing in the Biorefinery Science. ,vol. 344, pp. 1246843- 1246843 ,(2014) , 10.1126/SCIENCE.1246843
Magnus Norgren, Sofia Mackin, Sulfate and Surfactants as Boosters of Kraft Lignin Precipitation Industrial & Engineering Chemistry Research. ,vol. 48, pp. 5098- 5104 ,(2009) , 10.1021/IE900141S
Sanghamitra Sen, Hasan Sadeghifar, Dimitris S. Argyropoulos, Kraft Lignin Chain Extension Chemistry via Propargylation, Oxidative Coupling, and Claisen Rearrangement Biomacromolecules. ,vol. 14, pp. 3399- 3408 ,(2013) , 10.1021/BM4010172