Relationship between structure and gas p
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Yuesheng Li; Mengxian Ding; Jiping Xu
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Article
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1997
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John Wiley and Sons
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English
β 460 KB
## 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 150Β°C. A sign