Hydrotalcite-calcined derivatives doped by zinc: A nucleophile-modified multifunctional catalyst for synthesis of propylene carbonate by cycloaddition

Zhang, Shao-Rui; Fu, Yue; Liu, Hui; Cao, Gaoping

doi:10.1016/j.catcom.2023.106603

Cited by 4 publications

(2 citation statements)

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“…For instance, a trimetallic hydrotalcite-derived catalyst consisting of Mg, Al and Zn with optimized molar ratios between metallic constituents was obtained by co-precipitation method and showed high activity in cycloaddition reaction of propylene oxide and CO 2 . By employing this catalyst, propylene carbonate was obtained under relatively mild reaction conditions (130 °C, 1.5 bar, 8 h) [57] . Furthermore, the catalyst was modified by potassium iodide (KI) prior to the reaction.…”

Section: Synthesis Of Cyclic Carbonates By Co 2 Upgradingmentioning

confidence: 99%

“…This alteration strengthened the catalyst both structurally and compositionally through generating high degrees of nucleophilicity. Besides, the high activity of modified hydrotalcite was ascribed to high surface area after calcination at 450 °C, optimal molar composition and good dispersion of metals [57] . Hydrotalcites have also been served as support for grafting corrosive homogeneous bases such as sodium aluminate (NaAlO 2 ).…”

Section: Synthesis Of Cyclic Carbonates By Co 2 Upgradingmentioning

confidence: 99%

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Hydrotalcites as Versatile Functional Materials for Renewable Feedstock Upgrading to Value-added Chemicals

Asgar Pour,

Omar Sebakhy

2023

Advanced Materials Science and Technology

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Hydrotalcites are inorganic layered materials which have been used in a wide spectrum of applications from catalysis and adsorption to heavy metals immobilization and polymer stabilization. Apart from this, they can act as drug carriers or acid scavengers. More recently, due to the urgent need for developing functional materials required in the production of renewable fuels and chemicals, hydrotalcites have been increasingly noticed as versatile compounds. For instance, they are applicable in biofuel synthesis, biomass upgrading, plastics degradation, hydrogen storage and so forth. In addition, they are cost-efficient materials and thus beneficial for the realization of the above-mentioned applications on the industrial scale. It is noteworthy that for further development of novel hydrotalcites, validation of their performance and their stability are essential. To elucidate these aspects, the major significance of these materials and their capability for application in various catalytic fields are discussed in this survey. Particular focus is given to their most recent utilization in sustainable and green applications.

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Section: Synthesis Of Cyclic Carbonates By Co 2 Upgradingmentioning

confidence: 99%

Section: Synthesis Of Cyclic Carbonates By Co 2 Upgradingmentioning

confidence: 99%