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Acidic ionic liquid based UiO-67 type MOFs: a stable and efficient heterogeneous catalyst for esterification
Xu, Zichen1,2; Zhao, Guoying1; Ullah, Latif1; Wang, Meng1; Wang, Aoyun1; Zhang, Yanqiang1,3; Zhang, Suojiang1
2018
发表期刊RSC ADVANCES
ISSN2046-2069
卷号8期号:18页码:10009-10016
摘要A facile strategy for the synthesis of acidic ionic liquid based UiO-67 type MOFs was developed in this study. Bronsted acids (H2SO4, CF3SO3H and hifpOSO(3)H (hexafluoroisopropyl sulfuric acid)) were introduced into UiO-67-bpy (bpy = 2,2'-bipyridine-5,5'-dicarboxylic acid) frameworks by reacting with bipyridyl nitrogen to introduce the properties of an acidic ionic liquid into the frameworks. The prepared catalysts, denoted as UiO-67-HSO4, UiO-67-CF3SO3 and UiO-67-hifpOSO(3), were characterized by XRD, SEM, FT-IR, EA, TGA and N-2 adsorption-desorption studies. The relatively high surface area was still maintained and acidic active groups were uniformly dispersed in the frameworks. The catalytic performance of UiO-67-HSO4, UiO-67-CF3SO3 and UiO-67-hifpOSO(3) was evaluated by the esterification of acetic acid with isooctyl alcohol. The prepared catalysts showed good catalytic activities in the esterification, of which UiO-67-CF3SO3 gave the maximum isooctyl alcohol conversion of 98.6% under optimized conditions. The catalyst could be reused five times without a significant decrease in the conversion of isooctyl alcohol, and almost no active species were leached, indicating the excellent stability and reusability of the catalyst. Our study provides one effective way to synthesize heterogeneous acidic ionic liquid catalysts consisting of isolated, well defined acidic groups that will probably attract interest in acid catalyst chemistry.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c8ra01119b
收录类别SCI
语种英语
关键词[WOS]METAL-ORGANIC FRAMEWORKS ; BIODIESEL PRODUCTION ; POSTSYNTHETIC LIGAND ; ACETIC-ACID ; ENCAPSULATION ; ALCOHOLS ; SOLVENT ; ROBUST ; SITES ; MIL-100(FE)
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Key Research and Development Program of China(2016YFB0601303) ; National Natural Science Foundation of China(21676278) ; Instrument Developing Project of the Chinese Academy of Sciences(YZ201624) ; Science and Technology Open Cooperation Project of Henan Province(172106000066)
WOS记录号WOS:000430451800050
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24187
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Zhengzhou Inst Emerging Ind Technol, Zhengzhou 450003, Henan, Peoples R China
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Xu, Zichen,Zhao, Guoying,Ullah, Latif,et al. Acidic ionic liquid based UiO-67 type MOFs: a stable and efficient heterogeneous catalyst for esterification[J]. RSC ADVANCES,2018,8(18):10009-10016.
APA Xu, Zichen.,Zhao, Guoying.,Ullah, Latif.,Wang, Meng.,Wang, Aoyun.,...&Zhang, Suojiang.(2018).Acidic ionic liquid based UiO-67 type MOFs: a stable and efficient heterogeneous catalyst for esterification.RSC ADVANCES,8(18),10009-10016.
MLA Xu, Zichen,et al."Acidic ionic liquid based UiO-67 type MOFs: a stable and efficient heterogeneous catalyst for esterification".RSC ADVANCES 8.18(2018):10009-10016.
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