Provided are a gas separation composite membrane including a gas separation layer which is formed to include a polyimide compound on the upper side of a gas permeating support, in which the solubility of the polyimide compound in dimethylacetamide at 20° C. is 20 mg/100 g or less, and the thickness of the gas separation layer is 0.1 μm or greater and less than 5.0 μm, a method of producing the same, a gas separation module using the gas separation composite membrane, a gas separation device, and a gas separation method.
本发明提供了一种气体分离复合膜,包括气体分离层,该气体分离层是在气体渗透支架的上侧形成的,其中包括聚
酰亚胺化合物,聚
酰亚胺化合物在 20° C 时在二甲基乙酰胺中的溶解度为 20 mg/100 g 或以下,气体分离层的厚度为 0.1 μm 或以上且小于 5.0 μm;本发明还提供了一种生产方法、一种使用该气体分离复合膜的气体分离组件、一种气体分离装置和一种气体分离方法。