Hybrid Materials for Molecular Sieves

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

Hybrid microporous organosilica membranes for molecular separations made by acid-catalyzed solgel synthesis from bridged silsesquioxane precursors have demonstrated good performance in terms of flux and selectivity and remarkable hydrothermal stability in various pervaporation and gas separation processes. The availability of wide range of α,ω-bis(trialkoxysilyl)alkane and 1,4-bis(triethoxysilyl)benzene precursors allows tuning of membrane properties such as pore size and chemistry. This chapter presents an overview of the synthesis and application of hybrid organosilica microporous membranes in liquid and gas separation processes. After a concise discussion of the history of solgel-derived microporous ceramic membranes for molecular separations, the solgel chemistry of bridged silsesquioxanes and all relevant processing steps needed to obtain a supported microporous films suitable for molecular separations are discussed. The performance of these membranes is correlated with the membrane compositional properties, such as nature, stiffness and length of the bridging group, and details of the solgel process.
Original languageEnglish
Title of host publicationHandbook of Sol-Gel Science and Technology
EditorsLisa Klein, Mario Aparicio, Andrei Jitianu
Place of PublicationSwitzerland
PublisherSpringer
Pages1-27
Number of pages27
ISBN (Electronic)978-3-319-19454-7
DOIs
Publication statusPublished - 11 May 2016

Fingerprint

Hybrid materials
Molecular sieves
Membranes
Gases
Ceramic membranes
Pervaporation
Alkanes
Benzene
Pore size
Tuning
Stiffness
Availability
Fluxes
Acids
Liquids
Processing

Cite this

ten Elshof, J. E. (2016). Hybrid Materials for Molecular Sieves. In L. Klein, M. Aparicio, & A. Jitianu (Eds.), Handbook of Sol-Gel Science and Technology (pp. 1-27). Switzerland: Springer. https://doi.org/10.1007/978-3-319-19454-7_94-1
ten Elshof, Johan E. / Hybrid Materials for Molecular Sieves. Handbook of Sol-Gel Science and Technology. editor / Lisa Klein ; Mario Aparicio ; Andrei Jitianu. Switzerland : Springer, 2016. pp. 1-27
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ten Elshof, JE 2016, Hybrid Materials for Molecular Sieves. in L Klein, M Aparicio & A Jitianu (eds), Handbook of Sol-Gel Science and Technology. Springer, Switzerland, pp. 1-27. https://doi.org/10.1007/978-3-319-19454-7_94-1

Hybrid Materials for Molecular Sieves. / ten Elshof, Johan E.

Handbook of Sol-Gel Science and Technology. ed. / Lisa Klein; Mario Aparicio; Andrei Jitianu. Switzerland : Springer, 2016. p. 1-27.

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

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PY - 2016/5/11

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N2 - Hybrid microporous organosilica membranes for molecular separations made by acid-catalyzed solgel synthesis from bridged silsesquioxane precursors have demonstrated good performance in terms of flux and selectivity and remarkable hydrothermal stability in various pervaporation and gas separation processes. The availability of wide range of α,ω-bis(trialkoxysilyl)alkane and 1,4-bis(triethoxysilyl)benzene precursors allows tuning of membrane properties such as pore size and chemistry. This chapter presents an overview of the synthesis and application of hybrid organosilica microporous membranes in liquid and gas separation processes. After a concise discussion of the history of solgel-derived microporous ceramic membranes for molecular separations, the solgel chemistry of bridged silsesquioxanes and all relevant processing steps needed to obtain a supported microporous films suitable for molecular separations are discussed. The performance of these membranes is correlated with the membrane compositional properties, such as nature, stiffness and length of the bridging group, and details of the solgel process.

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ten Elshof JE. Hybrid Materials for Molecular Sieves. In Klein L, Aparicio M, Jitianu A, editors, Handbook of Sol-Gel Science and Technology. Switzerland: Springer. 2016. p. 1-27 https://doi.org/10.1007/978-3-319-19454-7_94-1