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Hydrogen bond donor functionalized poly(ionic liquid)s for efficient synergistic conversion of CO2 to cyclic carbonates
Gou, Haibin1,2; Ma, Xifei1,2; Su, Qian1; Liu, Lei1; Ying, Ting1; Qian, Wei1,2; Dong, Li1; Cheng, Weiguo1
2021-01-21
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume23Issue:3Pages:2005-2014
AbstractThe development of metal-free, high effective and recyclable catalysts plays a pivotal role in transforming CO2 into high value-added products such as cyclic carbonates. In this paper, we introduced the hydrogen bond donor (HBD) groups into poly(ionic liquid)s via free radical polymerization, which successfully combined the HBD and ionic liquids (ILs) into one heterogeneous catalyst. The HBD could synergistically activate epoxides with hydroxyl functionalized ionic liquids and efficiently catalyze the cycloaddition of CO2 into cyclic carbonates. The yield of propylene carbonate (PC) reached 94% (at 105 degrees C, 2 MPa CO2, 3 h), which far exceeded poly(ionic liquid)s without HBDs functionalization (PC yield 72%), and even approached bulk ionic liquids (PC yield 95%). Moreover, HBD-functionalized poly(ionic liquid)s (HPILs) exhibited excellent recyclability after five runs and afforded wide substrate scope. According to the experimental results, H-1 NMR spectra and density functional theory (DFT) calculations showed 2-hydroxyethyl methacrylate (HEMA) and the hydroxyl of ILs would form strong H-bonds with epoxides contributing to the ring-opening process of epoxides, and a possible HBD and nucleophilic anion synergistically catalytic mechanism was proposed. The method herein paved a brand new way for green technology and utilization of poly(ionic liquid)s.
DOI10.1039/d0cp06041k
Language英语
WOS KeywordMOLECULAR-ORBITAL METHODS ; IONIC LIQUIDS ; CHEMICAL FIXATION ; ORGANIC FRAMEWORKS ; CATALYTIC-ACTIVITY ; BASIS-SETS ; DIOXIDE ; EPOXIDES ; CYCLOADDITION ; DENSITY
Funding ProjectInnovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A01] ; "Transformational Technologies for Clean Energy and Demonstration'', Strategic Priority Research Program of the Chinese Academy of Sciences[XDA 21030500] ; National Natural Science Foundation of China[21890763] ; National Natural Science Foundation of China[21908226]
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
Funding OrganizationInnovation Academy for Green Manufacture, Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration'', Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS IDWOS:000612961700022
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/43652
Collection中国科学院过程工程研究所
Corresponding AuthorCheng, Weiguo
Affiliation1.Chinese Acad Sci, CAS Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst,Inst Proc E, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Gou, Haibin,Ma, Xifei,Su, Qian,et al. Hydrogen bond donor functionalized poly(ionic liquid)s for efficient synergistic conversion of CO2 to cyclic carbonates[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2021,23(3):2005-2014.
APA Gou, Haibin.,Ma, Xifei.,Su, Qian.,Liu, Lei.,Ying, Ting.,...&Cheng, Weiguo.(2021).Hydrogen bond donor functionalized poly(ionic liquid)s for efficient synergistic conversion of CO2 to cyclic carbonates.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,23(3),2005-2014.
MLA Gou, Haibin,et al."Hydrogen bond donor functionalized poly(ionic liquid)s for efficient synergistic conversion of CO2 to cyclic carbonates".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 23.3(2021):2005-2014.
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