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A novel mesoporous catalyst Pd-Cu-O/SiO 2 were prepared by sol–gel method coupling with W/O microemulsion for oxidative carbonylation of phenol to diphenyl carbonate (DPC). It has larger specific surface area, pore volume and rather narrow pore size distribution in the range of mesopore. The catalyst shows a comparatively good activity for the synthesis of DPC and the yield reaches to 20.3%,...
An ultrafine embedded catalyst Pd–Cu–O/SiO 2 was prepared in a water-in-oil (W/O) microemulsion for the direct synthesis of diphenyl carbonate (DPC) by oxidative carbonylation of phenol with carbon monoxide and oxygen. In this catalyst, there are palladium–copper oxide cores surrounded by the silica shell, which provides protection for the active constituents during the reaction. This can...
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