Preparation Strategies of Metal-Organic Framework/Polymer Composites
Due to their unique properties,metal-organic frameworks(MOFs)have been one of the intensively investigated materials in the past twenty years.Many potential applications of MOFs in diverse fields have also been demonstrated at the laboratory level,and several kinds of MOFs have been produced at the industry scale.However,practical applications of MOFs have been hammered by their inherent shortcomings.Tackling such challenges should be the main focus at the current time and in the future.Besides integrating their respective properties into one material,combination of MOFs and conventional polymeric materials could partially solve some of the shortcomings of MOFs.Therefore,MOF/polymeric composite materials have attracted intensive attention in recent years,leading to several strategies to prepare many kinds of such composite materials with diverse functionalities.In the current review,we aim to summarize the pros and cons of the main preparation strategies of MOF/polymeric composite materials.Herein,the following aspects are covered:Direct mixing MOF powders with polymers in solvents and then processing into such materials as mixed matrix membranes,composite resin balls and nanofibers;In situ synthesis of MOFs by imparting the precursors of MOFs into polymeric matrix;Using polymeric materials as the supporting substrates for MOF preparations towards polymer supported films,core-shell fibers and spherical MOF/polymeric composite materials.
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