CuO-CoO-MnO/SiO2 Nanocomposite Aerogel as Catalysts Carrier and Its Cocatalysis Mechanism in the Synthesis of Diphenyl Carbonate

Yue Qing Zhao; Qian Yi Jia; Ying Hua Liang; Hong Xia Guo; Feng Feng Li; Xin Hua Liu

doi:10.4028/www.scientific.net/AMR.284-286.707

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286CuO-CoO-MnO/SiO2 Nanocomposite Aerogel as...

CuO-CoO-MnO/SiO₂ Nanocomposite Aerogel as Catalysts Carrier and Its Cocatalysis Mechanism in the Synthesis of Diphenyl Carbonate

Abstract:

CuO-CoO-MnO/SiO2 nanocomposite aerogel as catalysts carrier was prepared via sol-gel process and CO₂ supercritical drying (SCD) technique. Catalyst supported by the nanocomposite aerogel was prepared via impregnation method. The catalyst was used for the synthesis of diphenyl carbonate (DPC), and the yield of DPC in mass is up to 26.31%. The catalysis system of PdCl₂/Co(OAc)₂-Cu(OAc)₂-Mn(OAc)₂/TBAB/H₂BQ is favorable to the synthesis of DPC. PdCl₂, acetates of transition metals and H₂BQ were the key catalyst, inorganic cocatalyst and organic cocatalyst, respectively. TBAB was the surface active agent of Pd⁰and stabilizer of Pd²⁺ in the catalysis system.

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Advanced Materials Research (Volumes 284-286)

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707-710

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https://doi.org/10.4028/www.scientific.net/AMR.284-286.707

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Online since:

July 2011

Authors:

Yue Qing Zhao, Qian Yi Jia, Ying Hua Liang, Hong Xia Guo, Feng Feng Li, Xin Hua Liu

Keywords:

Catalyst Carrier, Cocatalysis Mechanism, Composite Aerogel, Diphenyl Carbonate

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