It include graphite ene coatings and its manufacturing method the present invention relates to a kind of composite separating film. It include the layer of graphite oxide ene coatings according to the composite separating film, in the present invention, the carbon dioxide of transmissivity, the nitrogen of carbon dioxide selectivity, hydrogen or methane gas are good at the identical time, do not have defective film surface simultaneously and sharp increase carbon dioxide selectivity hydrogen, nitrogen or methane carbon dioxide transmission rate still, even if when being exposed to moisture. Therefore, the composite separating film include graphite ene coatings be made the present invention be suitable for industrial process include carbon dioxide separation or recycling. ;The 2014 of copyright KIPO submissions
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