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Amine-functionalized metal-organic frameworks for the transesterification of triglycerides
Chen, Jinzhu1; Liu, Ruliang1,3; Gao, Hui1,2; Chen, Limin2; Ye, Daiqi2
2014
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
卷号2期号:20页码:7205-7213
摘要For the application of functionalized metal-organic frameworks (MOFs) as a solid base, amine-functionalized MOF materials are achieved by (i) dative modification of unsaturated metal sites located at the secondary building units of MOFs with diamine, and (ii) covalent modification of the amine-tagged organic linkers within the MOF by alkylation with 2-dimethylaminoethyl chloride. The resulting amine-functionalized MOFs exhibit excellent results in the liquid phase transesterification of triglycerides and methanol, with the triglyceride conversions exceeding 99%, which are important model reactions for the production of biodiesel. The relationship between the catalytic activity towards transesterification and the basicity of amine-functionalized MOFs reveals a linear correspondence in terms of turnover frequency and basic site density. The basicity of the MOFs and reaction parameters are shown to significantly affect the catalytic performance. Kinetics studies reveal that the reaction follows first-order kinetics with the calculated activation energy of 48.2 kJ mol(-1). This research opens up new perspectives on the postsynthetic modification of MOFs and more generally on the rational design of MOF-derived solid base catalysts.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1039/c4ta00253a
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]ADSORPTION PROPERTIES ; HETEROGENEOUS CATALYST ; COORDINATION POLYMERS ; HYDROGEN ADSORPTION ; BIODIESEL SYNTHESIS ; RATIONAL DESIGN ; CO2 ADSORPTION ; FATTY-ACIDS ; MOFS ; ETHYLENEDIAMINE
收录类别SCI
语种英语
WOS类目Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号WOS:000334998400012
引用统计
被引频次:25[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/344007/10608
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.S China Univ Technol, Coll Environm & Energy, Guangdong Prov Key Lab Atmospher Environm & Pollu, Guangzhou 510006, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Chen, Jinzhu,Liu, Ruliang,Gao, Hui,et al. Amine-functionalized metal-organic frameworks for the transesterification of triglycerides[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(20):7205-7213.
APA Chen, Jinzhu,Liu, Ruliang,Gao, Hui,Chen, Limin,&Ye, Daiqi.(2014).Amine-functionalized metal-organic frameworks for the transesterification of triglycerides.JOURNAL OF MATERIALS CHEMISTRY A,2(20),7205-7213.
MLA Chen, Jinzhu,et al."Amine-functionalized metal-organic frameworks for the transesterification of triglycerides".JOURNAL OF MATERIALS CHEMISTRY A 2.20(2014):7205-7213.
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