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Polyimide Membranes Derived from Poly(amic acid) Salt Precursor Polymers. 1. Synthesis and Characterization

✍ Scribed by Ding, Yong; Bikson, Benjamin; Nelson, Joyce K.

Book ID
120479225
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
85 KB
Volume
35
Category
Article
ISSN
0024-9297

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## Introduction During the course of these studies, we have found that bis(4-aminophenyl) ether, a weakly basic aromatic diamine, together with tetrafunctional pyromel-Aromatic polyimides have been well-known since the litic acid, could form readily the salt monomer with 1 : early 1960s as the mos