id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-23744	Hao, Yinan; Zhang, Kai; Wang, Jingwen; Wang, Renfei; Zhang, Guo; Duan, Rao; Li, Mengyao; Ren, Zhiyuan; Wang, Shuo; Wang, Ximing	Bio-based Lubricants: Progress in Research	2025	25	.pdf	application/pdf	12597	601	48	Ester bio-based lubricating oil base oil can also be prepared by epoxidation of carbon-carbon double bonds and then ring-opening esterification, which can not only reduce the number of carbon-carbon double bonds, but also increase the content of ester groups in lubricating oil base oil, so as to improve the polarity of oil. Through complex physical and chemical processes, the carbon chains of biomass are recombined to meet the structural and performance requirements of lubricating oil base oils (as shown in Fig. 4).	cache/brj-23744.pdf	txt/brj-23744.txt