APTES-functionalization of SBA-15 using ethanol or toluene: Textural characterization and sorption performance of carbon dioxide

Laura Munguía-Cortés, Isaac Pérez-Hermosillo, Reyna Ojeda-López, Juan Marcos Esparza-Schulz, Carlos Felipe-Mendoza, Adrián Cervantes-Uribe, Armando Domínguez-Ortiz

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

SBA-15 materials were functionalized with amino groups, APTES. The functionalization was carried out with ethanol or toluene, in air or nitrogen atmosphere. Texture and silanol ratio of functionalized materials were characterized by CO2 adsorption, N2 adsorption, SEM, TEM, and NMR. The results of this work indicates that functionalization in toluene is better than functionalization in ethanol, in order to anchor the largest number of APTES molecules on SBA-15 surface. For the same purpose, during functionalization process, the use of nitrogen atmosphere is better than the use of air atmosphere.

Original languageEnglish
Pages (from-to)273-281
Number of pages9
JournalJournal of the Mexican Chemical Society
Volume61
Issue number4
DOIs
StatePublished - 2017

Keywords

  • APTES
  • CO adsorption
  • Functionalization
  • SBA-15
  • Si-lanol ratio

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