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Pore characterization of a microporous SiON membrane derived from polysiloxazane via thermal pyrolysis: prospects for hydrogen separation

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Abstract

We investigated the pore properties of inorganic membranes used in the hydrogen separation industry. A microporous SiON membrane derived from a preceramic polysiloxazane was pyrolyzed for the analysis of the porosity characteristics. The involved reactions were studied using a combination of thermogravimetry and infrared spectroscopy of the solids. The SiON membrane showed a dense microporous structure and successfully formed a coating layer of pores on the intermediate membrane. The BET surface area and pore volume showed maximum values (653.4 m2/g and 0.35 cm3/g, respectively) at a pyrolysis temperature of 500 °C.

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Authors and Affiliations

  1. Engineering Ceramics Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon, Gyeongnam, 641-831, Korea

    Il Min Kwon, In-Hyuck Song, Young-Jo Park, Hui-Suk Yun & Hai-Doo Kim

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  1. Il Min Kwon
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  2. In-Hyuck Song
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  3. Young-Jo Park
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  4. Hui-Suk Yun
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Correspondence to In-Hyuck Song.

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Kwon, I.M., Song, IH., Park, YJ. et al. Pore characterization of a microporous SiON membrane derived from polysiloxazane via thermal pyrolysis: prospects for hydrogen separation. Res Chem Intermed 36, 767–774 (2010). https://doi.org/10.1007/s11164-010-0180-z

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  • DOI: https://doi.org/10.1007/s11164-010-0180-z

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