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Citation: Wang Zhonggang, Chen Tianlu, Xu Jiping. Gas Permeation Behavior of Several Novel Cardo Polyarylethersulfone Membranes[J]. Chinese Journal of Applied Chemistry, ;1996, 13(5): 116-118. shu

Gas Permeation Behavior of Several Novel Cardo Polyarylethersulfone Membranes

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 25 December 1995
Available Online: 18 March 1996

The gas permeation behavior of several new Cardo polyarylethersulfones containing different alkyl substituents on the backbone benzene rings was studied. The variation of permeation and diffusion coefficients with temperature followed Arrhenius equation within the temperature range of 30℃~100℃.The permeation coefficient increased with the rise of temperature, while the selection factor decreased correspondingly. The introduction of isopropyl groups resulted in a significant increase in gas permeation coefficient. In particular,the permeation coefficient and selection factor were found to grow simultaneously when the four hydrogen atoms per repeat unit were replaced with methyl groups.
- polyarylethersulfone,
- membrane,
- gas separation
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