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| Research Progress on Preparation and Corrosion Inhibition Mechanism of Lignin-based Corrosion Inhibitors |
| Received:February 17, 2026 Revised:April 24, 2026 |
| DOI：10.11980/j.issn.0254-508X.2026.07.006 |
| Key Words:lignin corrosion inhibitor metal corrosion preparation mechanism |
| Fund Project:辽宁省自然科学基金（2023-MSLH-318）；辽宁省化学助剂合成与分离重点实验室基金项目（ZJNK2514）；营口市新质生产力技术支撑与验证中心（JSZCZX-03-07）；营口市新质生产力技术支撑与验证中心（JSZCZX-03-05）。 |
| Author Name | Affiliation | Postcode | | Zhang Jingyu* | 1Yingkou Center for Technical Support and Verification of New Quality Productive Forces, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014
2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 | | Ye Yuhan | 2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 | | Yang Aiyu | 2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 | | Meng Zhilei | 2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 | | Zeng Xiangrui | 2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 | | Zhu Baowei* | 1Yingkou Center for Technical Support and Verification of New Quality Productive Forces, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014
2School of Chemistry and Environmental Engineering, Yingkou Institute of Technology, Yingkou, Liaoning Province, 115014 | 115014 |
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| Abstract:Metal corrosion in industrial production not only causes severe economic losses but may also trigger a series of potential safety hazards. Lignin is characterized by wide availability， renewability， and biodegradability， which endows it with excellent potential in the development of green corrosion inhibitors. This paper reviewed the research progress of lignin-based corrosion inhibitors in detail， introduced the current main preparation methods， including direct utilization， physical nanonization treatment， chemical modification methods such as amination and sulfonation， and composite modification technologies. It also elaborated on the mechanisms by which such corrosion inhibitors inhibited metal corrosion， including interfacial adsorption and film formation， physical barrier isolation， and synergistic effects of multiple components. On this basis， the research status of current lignin-based corrosion inhibitors was summarized. The core challenges of the heterogeneity of lignin structure and the environmental impact of some preparation methods were objectively analyzed. This review was expected to provide a reference for the high-value utilization of lignin and the research and development of environmentally friendly corrosion inhibitors. |
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