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Preparation and properties of rigid polyimide foams derived from dianhydride and isocyanate

โœ Scribed by Fei Yu; Kai Wang; Xiao-Yan Liu; Mao-Sheng Zhan

Book ID
112002218
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
877 KB
Volume
127
Category
Article
ISSN
0021-8995

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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