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Study on extraction of lignin and synthesis of lignin-based epoxy resins using ionic liquid
Miao, Changlin1,2,3; Xinshu, Zhuang1,2,3; Yang, Lingmei1,2,3; Li, Huiwen1,2,3; Lv, Pengmei1,2,3; Luo, Wen1,2,3
2021-02-04
发表期刊BIOMASS CONVERSION AND BIOREFINERY
ISSN2190-6815
页码12
通讯作者Li, Huiwen(huiwl@ms.giec.ac.cn)
摘要Lignin molecules contain alcohol hydroxyl and phenolic hydroxyl, so lignin can be used instead of toxic bisphenol A (BPA) to synthesize epoxy resin, which can not only reduce the amount of formaldehyde emission but also achieve the purpose of waste utilization and environmental protection. In this study, the lignin of Eucalyptus urophylla was extracted with ionic liquid as the extraction agent, and subsequently phenolated by methylphenol as phenolic agent with concentrated sulfuric acid as catalyst to prepare phenolated lignin (PLG). Then, using NaOH as catalyst, the PLG was epoxidized with epoxy chloropropane (ECH) to synthesize the lignin-based epoxy resin (LGEP). The extraction of lignin and the synthesis of LGEP were investigated by the single-factor and orthogonal test, and the Eucalyptus urophylla raw materials, lignin, PLG, and LGEP were characterized by UV, FTIR, XRD, SEM, and TGA. The results demonstrated that when the ionic liquid was [ChCl][Gly], the temperature was 90 degrees C, the time was 4 h, and the liquid-solid ratio was 20:1; the extraction rate of lignin reached 93.73%, and the purity of the regenerated lignin was 96.3%. The mass ratio of PLG to ECH was 1:2.5, the mass fraction of NaOH was 20% of the mass of PLG, the reaction time was 3 h, and the reaction temperature was 95 degrees C. Under this condition, the epoxy value of LGEP was 0.364.
关键词Epoxy resin Lignin Ionic liquid Phenolation
DOI10.1007/s13399-021-01295-2
收录类别SCI
语种英语
资助项目Guangdong science project[2015B020241002] ; National Key RD Program[2017YFD0601003] ; National Natural Science Foundation of China (NSFC)[21506217]
WOS研究方向Energy & Fuels ; Engineering
项目资助者Guangdong science project ; National Key RD Program ; National Natural Science Foundation of China (NSFC)
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000614712600001
出版者SPRINGER HEIDELBERG
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/32569
专题中国科学院广州能源研究所
通讯作者Li, Huiwen
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
3.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Miao, Changlin,Xinshu, Zhuang,Yang, Lingmei,et al. Study on extraction of lignin and synthesis of lignin-based epoxy resins using ionic liquid[J]. BIOMASS CONVERSION AND BIOREFINERY,2021:12.
APA Miao, Changlin,Xinshu, Zhuang,Yang, Lingmei,Li, Huiwen,Lv, Pengmei,&Luo, Wen.(2021).Study on extraction of lignin and synthesis of lignin-based epoxy resins using ionic liquid.BIOMASS CONVERSION AND BIOREFINERY,12.
MLA Miao, Changlin,et al."Study on extraction of lignin and synthesis of lignin-based epoxy resins using ionic liquid".BIOMASS CONVERSION AND BIOREFINERY (2021):12.
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