Research and Application Progress of Polyimide Membrane
Polyimide(PI)membranes have excellent thermal stability,mechanical properties and gas permeability,and are widely used in electronics,aerospace and petrochemical industries.Although significant progress has been made in the research of polyimide films,most of them focus on performance improvement and material preparation,and there is still a lack of in-depth understanding of the modification mechanism.In order to comprehensively review the research progress of polymer polyimide membranes,their properties and application fields were reviewed.The existing research results and future development directions were summarized,including in-depth exploration of modification mechanism,expansion of preparation process and application in the fields of new energy,biomedicine,environmental protection and resource utilization,which provided relevant references for the research of polyimide membranes and promoted the further development of this field.
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