Facile synthesis of lignin-based epoxy resins with excellent thermal-mechanical performance

doi:10.1016/j.ijbiomac.2021.03.203

	Facile synthesis of lignin-based epoxy resins with excellent thermal-mechanical performance
	Zhen, Xiang 1,2,3,4; Li, Huiwen 2,3,4; Xu, Zhongbin 2,3,4; Wang, Qingfeng 1,2,3,4; Zhu, Shunni 2,3,4; Wang, Zhongming 2,3,4; Yuan, Zhenhong 2,3,4
刊名	INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
	2021-07-01
卷号	182 页码:276-285
关键词	Lignin Epoxy resin Modification One-pot
ISSN号	0141-8130
DOI	10.1016/j.ijbiomac.2021.03.203
通讯作者	Wang, Zhongming(wangzm@ms.giec.ac.cn)
英文摘要	Up to now, various approaches have been used to fabricate lignin-based epoxy thermosets by utilizing lignin or lignin-derivatives, but there is still lack of a simple, effective and environmental-friendly pathway for producing lignin-based epoxy resins from industrial lignin. In this work, a novel strategy - one-pot to synthesize phenolated lignin incorporated novolac epoxy networks (PLIENs) was proposed. As expected, PLIENs obtained from the novel route exhibited preferable mechanical and thermal properties compared with the epoxy resins which obtained from common route. Moreover, increasing the loading of lignin did not significantly deteriorate the thermal-mechanical performance of cured epoxy resins. However, the T-g of PLIENs was slightly lowered compared with conventional petroleum-based epoxy resins (DGEBA). Nonetheless, the flexural strength and storage modulus of PLIENs were higher than that of DGEBA. Especially, the char yield of PLIENs at 800 degrees C was up to 28.9%, much higher than that of DGEBA (only 6.9%), which indicated that lignin has a certain promoting effect on the flame retardancy of epoxy resins. This research provides a new insight for producing commercially viable lignin-based epoxy thermosets. (C) 2021 Published by Elsevier B.V.
资助项目	National Key Research and Development Program of China[2017YFD0601003] ; National Natural Science Foundation of China[51861145103] ; National Natural Science Foundation of China[21878291]
WOS关键词	CROSS-LINK DENSITY ; DEGRADATION ; THERMOSETS ; DEPOLYMERIZATION ; PRECURSORS ; NETWORKS
WOS研究方向	Biochemistry & Molecular Biology ; Chemistry ; Polymer Science
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000671664000012
资助机构	National Key Research and Development Program of China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/33445]
专题	中国科学院广州能源研究所
通讯作者	Wang, Zhongming
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 3.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
推荐引用方式 GB/T 7714	Zhen, Xiang,Li, Huiwen,Xu, Zhongbin,et al. Facile synthesis of lignin-based epoxy resins with excellent thermal-mechanical performance[J]. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,2021,182:276-285.
APA	Zhen, Xiang.,Li, Huiwen.,Xu, Zhongbin.,Wang, Qingfeng.,Zhu, Shunni.,...&Yuan, Zhenhong.(2021).Facile synthesis of lignin-based epoxy resins with excellent thermal-mechanical performance.INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,182,276-285.
MLA	Zhen, Xiang,et al."Facile synthesis of lignin-based epoxy resins with excellent thermal-mechanical performance".INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 182(2021):276-285.