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Mixtures of polyether sulfones and aromatic polyimides, polyamides or polyamide - imides and gas separation membranes produced therefrom
Mixtures of polyether sulfones and aromatic polyimides, polyamides or polyamide - imides and gas separation membranes produced therefrom
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机译:聚醚砜和芳族聚酰亚胺,聚酰胺或聚酰胺-酰亚胺的混合物以及由其制得的气体分离膜
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摘要
The present invention provides a three-component blend of (i) an aromatic polyethersulfone, (ii) an aromatic polyimide, and (iii) an alkyl-substituted aromatic polyimide, polyamide or polyamide-imide or mixtures thereof. The invention also provides for gas separation membranes with superior gas transport properties made from two-and-three-component blends of polyethersulfone with aromatic polyimides to provide a gas separation membrane with superior productivity and good selectivity.
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