淡江大學機構典藏:Item 987654321/117819
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    题名: Evaluation of the Properties, Gas Permeability and Selectivity of Mixed Matrix Membrane Based on Polysulfone Polymer Matrix Incorporated with KIT-6 Silica
    作者: Sie Hao Ding;Tiffany Yit Siew Ng;Thiam Leng Chew;Pei Ching Oh;Abdul Latif Ahmad;Chii-Dong Ho
    关键词: KIT-6;polysulfone;MMMs;CO2;gas permeability and selectivity
    日期: 2019-10-23
    上传时间: 2019-11-13 12:10:17 (UTC+8)
    摘要: Mixed matrix membranes (MMMs) separation is a promising technology for gas permeation and separation involving carbon dioxide (CO2). However, finding a suitable type of filler for the formation of defect-free MMMs with enhancement in gas permeability remains a challenge. Current study focuses on synthesis of KIT-6 silica and followed by the incorporation of KIT-6 silica as filler into polysulfone (PSF) polymer matrix to fabricate MMMs, with filler loadings of 0–8 wt %. The effect of KIT-6 incorporation on the properties of the fabricated MMMs was evaluated via different characterization techniques. The MMMs were investigated for gas permeability and selectivity with pressure difference of 5 bar at 25 °C. KIT-6 with typical rock-like morphology was synthesized. Incorporation of 2 wt % of KIT-6 into PSF matrix produced MMMs with no void. When KIT-6 loadings in the MMMs were increased from 0 to 2 wt %, the CO2 permeability increased by ~48%, whereas the ideal CO2/CH4 selectivity remained almost constant. However, when the KIT-6 loading in PSF polymer matrix was more than 2 wt %, the formation of voids in the MMMs increased the CO2 permeability but sacrificed the ideal CO2/CH4 selectivity. In current study, KIT-6 was found to be potential filler for PSF matrix under controlled KIT-6 loading for gas permeation.
    關聯: Polymers 11(11), 1732(11 pages)
    DOI: 10.3390/polym11111732
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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