混合基质膜(MMMs)通过结合无机填料的优异选择性和聚合物基质的卓越渗透性,展现出超越传统聚合物膜的气体分离性能。针对目前流行的用于预测混合基质膜的有效介质(EMA)渗透模型,讨论了其基本假设和局限性。通过对渗透模型预测值与实验数据的比较分析,揭示了这些模型在预测MMMs渗透性能时的应用范围。在此基础上,提出了未来模型发展的方向,旨在为高性能气体分离膜材料的设计和优化提供理论基础和指导。
Mixed matrix membranes (MMMs) demonstrate gas separation performance beyond conventional polymer membranes by combining the excellent selectivity of inorganic fillers with the excellent permeability of polymer matrices.The basic assumptions and limitations of the current popular effective medium (EMA) permeation models for predicting mixed matrix membranes were discussed.By comparing the predicted values of the permeability models with the experimental data,the application range of these models in predicting the permeability of MMMs was revealed.On this basis,the future development direction of the model was proposed,aiming at providing theoretical basis and guidance for the design and optimization of high-performance gas separation membrane materials.
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基金资助
毕节市科学技术项目(毕科联合[2023]14号);毕节市科学技术项目(毕科联合[2023]35号);贵州省教育厅项目(黔教技[2023]028号)
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