POLYIMIDE-POLYETHYLENE GLYCOL COPOLYMER PERVAPORATION MEMBRANES AND PREPARATION METHOD THEREOF

摘要

The present invention relates to a polyimide-polyethylene glycol copolymer pervaporation membrane capable of selectively separating and eliminating benzene from a hydrocarbon mixture which contains benzene by manufacturing a pervaporation membrane from the polyimide-polyethylene glycol copolymer. The polyimide-polyethylene glycol copolymer pervaporation membrane manufactured by the present invention has an excellent selective permeability for benzene, being able to selectively separating and eliminating benzene from the hydrocarbon mixture containing benzene, thereby being applicable for a separation process to remove benzene from MLCN. Therefore, it is anticipated to be able to use bezene-eliminated MLCN as gasoline through the separation process.