Progress in Chemical Modification and Application of Lignin

doi:10.19894/j.issn.1000-0518.220363

Chinese Journal of Applied Chemistry ›› 2023, Vol. 40 ›› Issue (6): 806-819.DOI: 10.19894/j.issn.1000-0518.220363

• Review • Previous Articles Next Articles

Progress in Chemical Modification and Application of Lignin

Xing-Quan XIONG¹(), Hui ZHANG¹^,², Li-Zhu GAO¹

^1.College of Materials Science and Engineering，Huaqiao University，Xiamen 361021，China
^2.Shanghai Advanced Research Institute，Chinese Academy of Sciences，Shanghai 201204，China

Received:2022-11-08 Accepted:2023-05-05 Published:2023-06-01 Online:2023-06-27
Contact: Xing-Quan XIONG
About author:xxqluli@hqu.edu.cn
Supported by:
the New Century Excellent Talents in University of Fujian Province, the Promotion Program for Young and Middle-aged Teacher in Science and Technology Research of Huaqiao University(ZQN-YX103);the Natural Science Foundation of Fujian Province(2021J01294)

Abstract

Abstract:

Lignin is one of the most abundant and significant natural polymeric materials in the world， and its position is only second to cellulose. In woody plants， lignin content accounts for about 25%. Due to its chemical inertness and structural complexity， the application of lignin is very limited. Therefore， the chemical modification of lignin is the key method to transform lignin into functional materials， which is of great significance for the sustainable development of resources and environment. In this review， the research progress on the development of chemical modification of lignin and its applications， including wastewater treatment， heterogeneous catalysis and other aspects， are summarized. Furthermore， discussions on challenges and perspectives in the field of lignin modification are also presented.

Key words: Lignin, Chemical modification, Sewage treatment, Heterogeneous catalysis, Flame retardant

CLC Number:

O636

Xing-Quan XIONG, Hui ZHANG, Li-Zhu GAO. Progress in Chemical Modification and Application of Lignin[J]. Chinese Journal of Applied Chemistry, 2023, 40(6): 806-819.

Figures/Tables 9

Fig.1 Illustrative diagram of lignin structure

Fig.2 Synthesis route of AML from AL

Fig.3 Synthesis route of N-acetyl-L-cysteine （N-Cys）-functionalized lignin （CFL）

Fig.4 Synthesis of LBA via thiol-yne reaction

Fig.5 Synthesis route of lignin modified by sulfur-containing functional groups

Fig.6 Synthesis route of amino and sulfonic groups-functionalized lignin （ASL）

Fig.7 Synthesis route of LD

Fig.8 （a） Classic structure of sulfonic acid-modified lignin；（b） Synthesis route of N-substituted pyrroles

Fig.9 A typical approach to synthesis route of phosphorous and nitrogen-modified lignin

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Progress in Chemical Modification and Application of Lignin

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