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Journal of Materials Science

, Volume 44, Issue 24, pp 6693–6700 | Cite as

Synthesis, characterization and catalytic behavior of SnTf/MCM-41 and SnTf/UVM-7 as new green catalysts for etherification reactions

  • Vasile I. PârvulescuEmail author
  • Simona M. Coman
  • Natalia Candu
  • Jamal El Haskouri
  • Daniel Beltrán
  • Pedro Amorós
Mesostructured Materials

Abstract

Strong Lewis acid SnTf-MCM-41 and SnTf-UVM-7 catalysts with unimodal and bimodal pore systems were prepared in a two-step synthesis in which the triflic acid (OTf) was incorporated into previously synthesized mesoporous tin-containing silicas. The Sn incorporation inside the pore walls was carried out through the Atrane method. The SnTf-UVM-7 catalysts were prepared by aggregating nanometric mesoporous particles defining a hierarchic textural-type additional pore system. Catalysts with different Si/Sn ratios in the range 21.8–50.8 for SnTf-MCM-41 and 18.4 for SnTf-UVM-7 were found to be efficient catalysts for the etherification of primary alcohols to symmetrical long chain ethers and the selective etherification of ethylene glycol with 1-octanol to nonionic surfactants structures. The processes are green, environmentally safe, and heterogeneous.

Keywords

Triflate Glycol Ether Lewis Acid Catalyst Selective Etherification Triflic Acid 

Notes

Acknowledgements

The authors thank the MEC (CTQ2006-15456-C04-03/BQU) for financial support. Jamal El Haskouri thanks the Ministry of Science and Technology from Spain for a Ramon & Cajal contract. We also thank the CNCSIS (Grant 44GR/2008, COD CNCSIS 1071, and PNCDI II 40/2007) for the financial support.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Vasile I. Pârvulescu
    • 1
    Email author
  • Simona M. Coman
    • 1
  • Natalia Candu
    • 1
  • Jamal El Haskouri
    • 2
  • Daniel Beltrán
    • 2
  • Pedro Amorós
    • 2
  1. 1.Department of Chemical Technology and CatalysisUniversity of BucharestBucharestRomania
  2. 2.Institut de Ciencia dels MaterialsUniversitat de ValenciaValenciaSpain

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