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Gas permeability in polyimides from oxydianiline and isomeric thiaphthalic dianhydride or 1,4-bis(dicarboxyphenoxy) benzene dianhydride

โœ Scribed by Yusheng Li; Mengxian Ding; Jiping Xu


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
406 KB
Volume
37
Category
Article
ISSN
0032-3861

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Gas permeability coefficients of a series of aromatic polyetherimides, which were prepared from 1,4-bis(3,4-dicarboxyphenoxy) benzene dianhydride (HQDPA) and various aromatic diamines, to H, , CO, , 0, , N, and CH, have been measured under 7 atm pressure and over the temperature range 30-150ยฐC. A si

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