Electrospinning technology applied in zeolitic imidazolate framework membrane synthesis
Electrospinning technology applied in zeolitic imidazolate framework membrane synthesis
复制标题
静电纺丝技术在沸石咪唑酯骨架膜合成中的应用
DOI：
10.1039/c2jm35401b
复制
发表时间：
2012-01-01
影响因子：
--
通讯作者：
Qiu, Shilun
中科院分区：
文献类型：
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作者：
Fan, Lili;Xue, Ming;Qiu, Shilun
首次将静电纺丝技术引入到支撑微孔膜的合成中。这种新方法适用于各种基板，特别是管材，具有大面积加工的可能性。我们可以精确地控制种子层的厚度，在支撑表面获得连续均匀的种子层。以咪唑骨架-8沸石为候选材料，成功地合成了无缺陷、互生结构良好的ZIF-8膜。进行了H_2、N_2、CH_4、CO_2的单一气体渗透和H_2-CO_2、H_2-CH_4、H_2-N_2的二元混合气体渗透实验。结果表明，用这种新方法制备的ZIF-8膜具有较好的氢气选择性和气体渗透性。
For the first time, an electrospinning technique has been introduced into the synthesis of supported microporous membranes. This new approach is suitable for various substrates, especially tubes, with the possibility of large-area processing. We can precisely control the thickness of the seed layer and obtain a continuous and uniform seed coating on the support surface. The zeolite imidazolate framework-8 was selected as a candidate to demonstrate the effectiveness of this method, by which, defect-free and well-intergrown ZIF-8 membranes have been successfully synthesized. Single gas permeance of H2, N2, CH4, CO2 and binary mixtures experiments for H2–CO2, H2–CH4, H2–N2 were carried out. The results indicated that the ZIF-8 membrane prepared through this new approach had better H2 selectivity and gas permeability.