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Gas permeation of aromatic polyimides. I. Relationship between gas permeabilities and dielectric constants

โœ Scribed by Kenji Matsumoto; Ping Xu; Tadashi Nishikimi

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
658 KB
Volume
81
Category
Article
ISSN
0376-7388

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## Abstract Gas permeability coefficients of a series of aromatic polyimides, which were prepared from oxydiphthalic dianhydride (ODPA) with various aromatic diamines, with respect to H~2~, CO~2~, O~2~, N~2~, and CH~4~ were measured under 10 atm and in the temperature range from 30 to 150ยฐC. A sign