GAS SEPARATION COMPOSITE MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATION DEVICE, GAS SEPARATION METHOD, AND GAS SEPARATION COMPOSITE MEMBRANE PRODUCTION METHOD

摘要

Provided is a gas separation composite membrane that includes, as a gas separation layer, a polymer compound that has an inorganic system as the main chain thereof, the gas separation composite membrane having excellent gas permeability and gas separation selectivity and also having excellent durability and folding endurance. The gas separation composite membrane can also be worked into a variety of shapes of modules. Also provided are a gas separation module, a gas separation device, and a gas separation method that use the gas separation composite membrane. Also provided is a production method for the gas separation composite membrane. A gas separation composite membrane that has: a porous support body; a silicone layer that is provided so as to contact the porous support body and that includes structural units (A1) and (A2); and a silica layer that is provided upon the silicone layer and that includes structural units (B1) and (B2). The ratio of the number of atoms in the silicone layer satisfies the expression 0.8 ≤ oxygen atoms/silicon atoms ≤ 1.3, and the ratio of the number of atoms in the silica layer satisfies the expression 1.6 ≤ oxygen atoms/silicon atoms. A gas separation module, a gas separation device, and a gas separation method that use the gas separation composite membrane. A production method for the gas separation composite membrane. R1A-R1C and R2A indicate substituents. * indicates a specific connecting part.