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Multifunctional Lubricant Additive Improves Lubrication and Antioxidation Properties of Tung Oil
1
Institute of Chemical Industry of Forest Products, CAF, National Engineering Laboratory for Biomass Chemical Utilization, Key
Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Key Laboratory of
Biomass Energy and Material of Jiangsu Province, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest
Resources, Nanjing, 210042, China
2
Institute of Ecological Conservation and Restoration, CAF, Beijing, 100091, China
* Corresponding Author: Haiyang Ding. Email:
Journal of Renewable Materials 2023, 11(7), 3115-3128. https://doi.org/10.32604/jrm.2023.026823
Received 27 September 2022; Accepted 07 December 2022; Issue published 05 June 2023
Abstract
It is of considerable significance to develop efficient and environmentally friendly machinery lubricant additives because of the increasing depletion of petrochemical resources and severe environmental problems. Herein, we proposed a facile strategy to synthesize a multifunctional vegetable oil-based lubricant via the lignin derivative vanillin coupled to amine and diethyl phosphite to produce a lubricating additive with both extreme pressure and antioxidant properties. Compared with pure tung oil, the lubricating and antioxidant performance of tung oil is significantly improved after adding additives. Adding the 1.0 wt% additive to the tung oil reduced the friction wear coefficient and the volume, and the oxidation induction time was much longer than pure tung oil.Graphic Abstract
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