Gas Permeability and Permselectivity in Homo- And Copolyimides From 3,3′,4,4′-Biphenyltetracarboxylic Dianhydride and 3,3′- And 4,4′-Diaminodiphenylsulfones
Polymer Journal - United Kingdom
doi 10.1295/polymj.22.381
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Date
May 1, 1990
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Springer Science and Business Media LLC