Composite or asymmetric fluorine-containing polyimide membrane, a process for manufacturing the same and a method for the separation and concentration of gas using the same

作者: Xu Ping , Kenji Matsumoto

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摘要: A composite or asymmetric membrane for separating and concentrating a particular component from mixture of gases. The is fluorine-containing aromatic polyimide resin the 6FDA type. has thin film an elastomeric polymer formed on supporting

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