Abstract
In this study, inorganic silica nanoparticle, ZSM-5 and ZIF-8 were used as dispersed particles inside polyurethane matrix in order to separate two gases of carbon dioxide and methane. The distribution of suspension particle size in the solution is investigated by DLS, FTIR, and SEM. MMMs were subjected to permeability test both in pure and in mixed gases of methane and carbon dioxide. The prepared polyurethane/ZIF-8 membranes with a permeability of 74.6 barrer and selectivity 19.1 showed the best separation performance because of proper pore size and better compatibility between ZIF-8 with polyurethane.
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