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Sol–gel synthesis, characterization and catalytic activity of γ-alumina with bimodal mesopore distribution

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Abstract

In this study, boehmite sols were used for preparation of mesoporous γ-alumina with bimodal mesopore distribution. Superfine nanospheres of poly(methyl methacrylate) (PMMA) prepared by water based emulsion polymerization method were used as a template. Nitrogen sorption revealed that aluminas prepared using this approach demonstrated bimodal mesopore size distribution with maxima at 3.8 and 25.7 nm, respectively. Catalytic tests showed that bimodal mesopore distribution within γ-Al2O3 prepared with PMMA nanospheres as a template provides improved catalytic activity in the methanol dehydration reaction.

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Acknowledgments

This work was supported by the President Grant No. MK-2229.2012.3 and by the Ministry of Education and Science of the Russian Federation (No. 8845).

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Correspondence to Vladimir V. Vinogradov or Vadim G. Kessler.

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Vinogradov, V.V., Vinogradov, A.V., Kraev, A.S. et al. Sol–gel synthesis, characterization and catalytic activity of γ-alumina with bimodal mesopore distribution. J Sol-Gel Sci Technol 68, 155–161 (2013). https://doi.org/10.1007/s10971-013-3099-1

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  • DOI: https://doi.org/10.1007/s10971-013-3099-1

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