Gas separation membrane and preparation method and application thereof
A technology of gas separation membrane and test method, which is applied in the field of gas separation membrane and can solve problems not related to separation
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Embodiment 1
[0069] With 245g poly-α, β, β-trifluorostyrene resin (intrinsic viscosity is 2.13dL / g), 5g Permalyn 6110, dissolve in the N of 750g, N-dimethylacetamide, make solid content be 25 wt% solution. Coat the polytrifluorostyrene solution on a glass plate by a coating machine (TQC automatic film coating machine), and then put the coated film in an oven to dry, first bake at 140°C for 2 hours, then heat-treat at 180°C for 1 hour, and peel off A dense film was obtained. The film thickness after drying was measured by a thickness gauge (Metricon 2010) to be 30 microns.
Embodiment 2
[0071] 250g of poly-α, β, β-trifluorostyrene resin (intrinsic viscosity is 1.77dL / g) is dissolved in 750g of N,N-dimethylacetamide, making a solution with a solid content of 25wt%, No other additives are added. All the other operations are the same as in Example 1.
Embodiment 3
[0073] Poly-α,β,β-trifluorostyrene resin with an intrinsic viscosity of 0.98 dL / g was made into a dense film with a thickness of 30 μm. All the other operations are the same as in Example 2.
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