Abstract
AbstractMixed‐matrix membranes (MMMs) consisting of ethyl cellulose as continuous matrix and inorganic particle C60 as dispersed phase were prepared for propylene/propane separation. The impact of the C60 content on the separation properties of MMMs without and with ultraviolet cross‐linking was investigated. The increment of decomposition temperature and single glass temperature of ethyl cellulose/C60 MMMs indicates a strong interfacial interaction between polymer and fullerenes. After UV irradiation, the gas permeability coefficient of propylene and ideal separation factor of propylene/propane decreased, and new features appeared in scanning electron microscopy and atomic force microscopy images, testifying the photopolymerization reaction of C60 at a depth near to the surface. C60 could be acted as a possible replaced carrier for the separation of olefin/paraffin using membrane separation technology.
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