用于碘捕获的金属有机框架-聚醚砜复合膜
Metal Organic Framework-Polyethersulfone Composite Membrane for Iodine Capture.
作者信息
Tang Po-Hsiang, So Pamela Berilyn, Lee Kueir-Rarn, Lai Yu-Lun, Lee Cheng-Shiuan, Lin Chia-Her
机构信息
Department of Chemistry, National Taiwan Normal University, Taipei 11677, Taiwan.
Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan.
出版信息
Polymers (Basel). 2020 Oct 9;12(10):2309. doi: 10.3390/polym12102309.
A variety of metal organic frameworks (MOFs) were synthesized and evaluated for their iodine adsorption capacity. Out of the MOFs tested, ZIF-8 showed the most promising result with an iodine vapor uptake of 876.6 mg/g. ZIF-8 was then incorporated into a polymer, polyethersulfone (PES), at different proportions to prepare mixed matrix membranes (MMMs), which were then used to perform further iodine adsorption experiments. With a mixing ratio of 40 wt % of ZIF-8, the iodine adsorption capacity reached 1387.6 mg/g, wherein an astounding 60% improvement in adsorption was seen with the MMMs prepared compared to the original ZIF-8 powder.
合成了多种金属有机框架材料（MOF），并对其碘吸附能力进行了评估。在所测试的MOF中，ZIF-8表现出最有前景的结果，碘蒸汽吸附量为876.6 mg/g。然后将ZIF-8以不同比例掺入聚合物聚醚砜（PES）中，制备混合基质膜（MMM），并用于进行进一步的碘吸附实验。当ZIF-8的混合比例为40 wt%时，碘吸附能力达到1387.6 mg/g，与原始ZIF-8粉末相比，所制备的MMM的吸附能力有惊人的60%的提高。
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