Formation of Methyl Acrylate from Methyl Acetate and Formaldehyde Condensation over Solid Base Catalysts

Ya Nan Wang; Qun Long Wang; Huan Hui Chen; Jia Lei Zhang; Zhi Rong Zhu

doi:10.4028/www.scientific.net/AMR.629.376

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 629Formation of Methyl Acrylate from Methyl Acetate...

Formation of Methyl Acrylate from Methyl Acetate and Formaldehyde Condensation over Solid Base Catalysts

Abstract:

The vapor-phase aldol condensation of methyl acetate (MeOAC) with formaldehyde (HCHO) to form methyl acrylate was investigated over solid base catalysts. A variety of solid base catalysts were prepared by loading Cs₂O over SiO₂ or Al₂O₃ as the support materials. The properties of the solid base catalysts were characterized by XRD, BET and CO₂-TPD. The results of the vapor-phase aldol condensation indicated that SiO₂ and Al₂O₃ modified with Cs₂O showed high conversation of methyl acetate and high selectivity of methyl acrylate. 22.6% conversation of methyl acetate and 16.5% yield of acrylic acid and methyl acrylate were obtained over Cs-Al₂O₃. In addition, Cs-SiO₂ exhibited about 42% selectivity to methyl acetate. The high yield of acrylic acid and methyl acrylate is attributed to the high base property of catalysts.

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Periodical:

Advanced Materials Research (Volume 629)

Pages:

376-380

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.629.376

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Online since:

December 2012

Authors:

Ya Nan Wang, Qun Long Wang, Huan Hui Chen, Jia Lei Zhang, Zhi Rong Zhu

Keywords:

Cs₂O, Formaldehyde, Maehyl Acrylate, Methyl Acetate, Solid Base Catalysts

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