Rational molecular design of PEOlated ladder-structured polysilsesquioxane membranes for high performance CO2 removal

Sunghwan Park; Albert S. Lee; Yu Seong Do; Seung Sang Hwang; Young Moo Lee; Jung-Hyun Lee; Jong Suk Lee

doi:10.1039/C5CC06269A

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Rational molecular design of PEOlated ladder-structured polysilsesquioxane membranes for high performance CO₂ removal†

Sunghwan Park,‡^ab Albert S. Lee,‡^c Yu Seong Do,‡^d Seung Sang Hwang,^c Young Moo Lee,^d Jung-Hyun Lee^b and Jong Suk Lee*^a

Author affiliations

* Corresponding authors

^a Center for Environment, Health and Welfare Research, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, Republic of Korea
E-mail: jong.lee@kist.re.kr

^b Department of Chemical and Biological Engineering, Korea University, 5-1 Anam-dong, Seongbuk-gu, Seoul, Republic of Korea

^c Materials Architecturing Research Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, Republic of Korea

^d Department of Energy Engineering, Hanyang University, Wangsimni-ro 222, Seongdong-gu, Seoul, Republic of Korea

Abstract

Poly(methoxy(polyethyleneoxy)propyl-co-methacryloxypropyl) silsesquioxane membranes with different copolymer ratios were successfully fabricated via UV-induced crosslinking with mechanical stability. By selectively introducing polyethylene oxide (PEO) groups covalently bound to the ladder-structured polysilsesquioxane, we effectively suppressed the PEO crystallization, allowing for excellent CO₂/H₂ and CO₂/N₂ separation under single as well as mixed gas conditions.

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Article information

DOI: https://doi.org/10.1039/C5CC06269A
Article type: Communication
Submitted: 27 Jul 2015
Accepted: 24 Aug 2015
First published: 24 Aug 2015

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Chem. Commun., 2015,51, 15308-15311

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Rational molecular design of PEOlated ladder-structured polysilsesquioxane membranes for high performance CO₂ removal

S. Park, A. S. Lee, Y. S. Do, S. S. Hwang, Y. M. Lee, J. Lee and J. S. Lee, Chem. Commun., 2015, 51, 15308 DOI: 10.1039/C5CC06269A

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