Dual-porous metal organic framework for room temperature CO2 fixation via cyclic carbonate synthesis

A novel approach of employing a dual-porous metal organic framework (MOF) in CO2 fixation at room temperature was demonstrated using a micro-mesoporous MOF, UMCM-1-NH2, in the synthesis of various five-membered cyclic carbonates under solventless conditions. Mesopores allow easy guest diffusion and...

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Published inGreen chemistry : an international journal and green chemistry resource : GC Vol. 18; no. 1; pp. 232 - 242
Main Authors Babu, Robin, Kathalikkattil, Amal Cherian, Roshan, Roshith, Tharun, Jose, Kim, Dong-Woo, Park, Dae-Won
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 01.01.2016
Subjects
Chemistry
Chemistry, Multidisciplinary
Green & Sustainable Science & Technology
Physical Sciences
Science & Technology
Science & Technology - Other Topics
EFFICIENT HETEROGENEOUS CATALYST
EPOXIDES
CYCLOADDITION
ALLYL GLYCIDYL ETHER
STYRENE OXIDE
CHEMICAL FIXATION
SALEN COMPLEXES
DIOXIDE
IONIC LIQUIDS
CAPTURE
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Summary:A novel approach of employing a dual-porous metal organic framework (MOF) in CO2 fixation at room temperature was demonstrated using a micro-mesoporous MOF, UMCM-1-NH2, in the synthesis of various five-membered cyclic carbonates under solventless conditions. Mesopores allow easy guest diffusion and molecular accessibility, while micropores are predominantly helpful in regulating the catalytic interactions in active centres; thus outperforming the properties of pure microporous or pure mesoporous MOFs in cycloaddition. Structural features, acid-base characteristics and physical properties were studied in detail for carrying out a systematic investigation on the cooperative influences of porosity, functionalization and synergism with quaternary ammonium salts in the cycloaddition reaction of CO2 with propylene oxide, so as to arrive at the underlying mechanism. The catalyst was totally recyclable up to five times without compromising the activity and the extent of heterogeneity was also studied. The effects of various reaction parameters like catalyst-cocatalyst ratio, reaction time and reaction temperature have been investigated.
Bibliography:Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
ISSN:1463-9262
1463-9270
DOI:10.1039/c5gc01763g