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Permeability and permselectivity of gases in fluorinated and non-fluorinated polyimides

โœ Scribed by Kazuhiro Tanaka; Hidetoshi Kita; Masaaki Okano; Ken-ichi Okamoto


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
636 KB
Volume
33
Category
Article
ISSN
0032-3861

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Gas permeabilities and permselectivity o
โœ Ye Liu; Mengxian Ding; Jiping Xu ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 377 KB ๐Ÿ‘ 1 views

Photosensitive polyimide BTDA-3MPDA was modified by UV irradiation. The structure of UV-irradiated polyimides was investigated by FTIR and gel fraction measurements. The results showed that longer UV exposure time resulted in a higher extent of crosslinking. The gas permeabilities of hydrogen, oxyg